Forsythia Extract

Directly sourced from Lushi County, the undisputed center of Forsythia in Asia. Encompassing over 1.8 million mu(approx. 120,000 hectares) of pristine cultivation and wild-harvest zones, we operate as Asia’s largest dedicated Forsythia processing facility. While standard brokers rely on fragmented supply chains, we maintain absolute end-to-end control from the mountain slopes to the final extract.

To ensure maximum biological efficacy, our proprietary extraction parameters are continuously optimized by our elite R&D task force—comprising resident professors and graduate researchers in direct collaboration with Lanzhou University. We guarantee a highly stable active marker content of ≥ 6% Forsythin (HPLC), delivering a scientifically validated, export-grade solution in four standardized product forms.

100% Pure Extracts: Carrier-Assisted Only When Scientifically Required.

≥6%

Forsythin · HPLC verified

120,000 hectares

Total Lushi resource base

Asia No.1

Forsythia production scale

CP 2020

Chinese Pharmacopoeia std.

Forsythia Extract

Forsythia suspensa (Thunb.) Vahl · Lushi Dao-Di Origin

Raw Forsythia Powder

Forsythia Extract 10:1, 20:1, or custom

Forsythin ≥6% (HPLC)

Forsythin 1-5% (HPLC)

Forsythiaside A ≥7%

GMP

Certified facility · Lushi

CoA

Issued for every batch

1.8M mu

Total Lushi resource base

CP 2020

Chinese Pharmacopoeia

R&D Team

PhD-led formulation support

What forsythia extract buyers typically encounter

Early batches pass incoming QC. Later batches drift. The spec sheet says “≥5% forsythin” but never specifies the test method. When problems surface, you’re talking to a sales rep who wasn’t in the lab and can’t pull the production records.

We’ve mapped the six most common failure points in forsythia procurement — and the specific process decisions we’ve made to engineer each one out.

1. Untraceable origins & inconsistent broker supply

Most suppliers are trading companies relying on mixed-region materials. This leads to unpredictable pesticide risks, fluctuating active contents (up to 40% variance), and zero control over the actual extraction process. Small producers also face severe seasonal supply shortages.

2. Misleading UV testing & synthetic spiking

Rampant market adulteration means synthetic compounds are often spiked to pass basic tests. Many suppliers use vague UV total-phenol testing, which is easily inflated by inactive polyphenols. The "≥5%" looks good on paper, but field bioactivity is completely inconsistent.

3. Depletion of volatile oils to save energy

Forsythia contains crucial heat-sensitive volatile oils. To minimize overhead, mass-market suppliers bypass the energy-intensive condensation phase during extraction. These valuable oils evaporate and are permanently lost, resulting in a lower-efficacy extract.

4. One vague "herbal extract" spec for all applications

Most suppliers list a single, generic specification, leaving buyers to guess whether the extract is actually suitable and safe for pharmaceutical injection, dietary supplements, drinking-water dosing, or cosmetic formulations.

5. Rigid specs causing regional import holds

Different regions (EU vs. US) have drastically different pesticide and heavy metal thresholds. Generic "one-size-fits-all" extracts frequently fail border compliance inspections.

6. Delayed QC & post-delivery traceability failures

Many rely on slow, 3rd-party labs, allowing out-of-spec batches to slip through. If a quality issue arises months later, buyers must argue with sales reps who have no access to retained samples or production logs, leaving buyers to absorb the loss.

1. Asia's largest single-origin base & end-to-end control

We own the extraction facility in Lushi, backed by over 1.8 million mu (approx. 120,000 hectares) of strictly monitored cultivation and wild-resource backup. From raw material intake to the final extract, we maintain absolute end-to-end control and farm-level traceability, guaranteeing identical quality and year-round supply for massive framework contracts.

2. Dual HPLC marker testing on every production lot

We exclusively use strictly pharmacopoeia-compliant methodologies. Forsythin and Forsythiaside A are each independently quantified by HPLC on every lot. Both exact values appear on your CoA, definitively exposing any synthetic spiking and guaranteeing true botanical identity.

3. Full-Spectrum Retention via Active Condensation

We mandate continuous condenser operation during the Forsythia extraction process to meticulously capture and retain all valuable volatile oils. We willingly absorb this steep operational premium—an extra 100 RMB per hour in electricity alone—to guarantee a fully potent, uncompromised final product.

4. Four distinct application grades, separately documented

We produce purpose-built Forsythia extracts: Pharmaceutical, Health Supplement, Veterinary, and Cosmetic. Each grade features a separate production SOP, dedicated cleaning validation record, and tailored CoA template to perfectly match your industry's regulatory demands.

5. Customized Regional Compliance Screening

We don't offer generic promises. Leveraging our real-time in-house lab and certified 3rd-party partners, we customize our pesticide (e.g., EU 396/2005) and heavy metal screening protocols tailored exactly to your destination market's border requirements.

6. 24-Month sample library & direct QA manager access

We perform real-time QC during production runs. Furthermore, we retain physical samples of every dispatched batch for 24 months. If technical troubleshooting is needed, you communicate directly with our QA manager, complete with a formal root-cause analysis issued within 5 business days.

China's premier forsythia producing region — Asia's largest single-origin production base

Lushi County lies in the Qinling mountain foothills of western Henan Province, at altitudes of 600–1,600 m. The unique climate and soil conditions produce the highest-quality Dao-Di forsythia in China. Lushi forsythin content runs 30–45% higher than material from other producing regions — consistent with the preferred origin cited in Chinese Pharmacopoeia (CP 2020).

600,000 mu Cultivated Plantations

Standardized cultivation base dedicated to preserving the natural purity of the botanical source. Annual fresh-fruit yield exceeds 12,000 MT — a stable, year-round supply foundation.

1,200,000 mu Wild-Growing Resource

Wild-harvested forsythia from the Qinling mountain zone carries a more concentrated active profile, reserved for pharmaceutical-grade extraction batches requiring peak potency.

Strict Botanical Authentication

Rather than tracking single farms, we trace our Forsythia to verified regional harvest zones in the Funiu Mountains. Our incoming QC strictly focuses on macroscopic and TLC identity verification — completely ruling out related-species substitution before extraction begins.

Harvest Window Management · Green vs Mature Fruit

Green fruit (July–August) and mature fruit (September–October) are managed separately. Green-fruit batches carry higher forsythin; mature-fruit batches are richer in total flavonoids. Grade-specific sourcing on request.

Lushi County Forsythia Resource Map

Cultivated Plantations

600,000mu

Wild-Growing Resource

1,200,000

Combined total of 1,800,000 mu (approx. 120,000 ha) of forsythia resource in Lushi County. At an average fresh-fruit yield of 20–30 kg per mu, theoretical annual fresh-fruit output exceeds 36,000 MT — the raw material foundation that makes our facility Asia’s largest single-county forsythia production base.

The key bioactive constituents of Forsythia and their pharmacological targets

Forsythia fruit contains multiple classes of active compounds that act synergistically. Standardized extracts are quantified by forsythin (HPLC) as the primary marker, with dual HPLC verification against forsythiaside A to guarantee batch-to-batch consistency.

Forsythin (Phillyrin)

The principal lignan constituent of forsythia. Exhibits broad-spectrum antimicrobial, anti-inflammatory, and antiviral activity. Demonstrates significant minimum inhibitory concentration (MIC) against S. aureus, E. coli, and other common pathogens. CP 2020 legal marker compound.

Forsythiaside A

A phenylethanoid glycoside with potent antioxidant activity (DPPH radical scavenging) and significant anti-inflammatory effects — suppressing LPS-induced TNF-α and IL-6 release. Particularly valued in cosmetic and chronic-inflammation formulations.

Total Flavonoids

Forsythia contains rutin, quercetin, and multiple additional flavonoid compounds that synergistically enhance antioxidant, antiviral, and capillary-protective activity. Total flavonoids (UV) serve as a supplementary QC marker for veterinary and health supplement grades.

Essential Oils (Terpenes)

Forsythia fruit contains α-pinene, β-pinene, and other terpenoid volatile compounds with antimicrobial and aromatic properties. Specific extraction protocols preserve the volatile oil fraction for high-end cosmetic and aromatherapy applications.

Polysaccharides

Forsythia polysaccharides display immunomodulatory and antiviral co-activity. In poultry and swine immune-stress models, they have demonstrated measurable improvements in immune response markers — making them a key component of veterinary compound formulations.

Betulinic Acid

A pentacyclic triterpene with emerging evidence for adjuvant anti-tumor activity and inhibitory effects on viral envelope proteins. Increasingly sought in high-end pharmaceutical and nutraceutical formulations. Custom enrichment grades available.

Forsythia extract in the format your process actually needs

Each form is designed around a specific manufacturing workflow. Choose by your administration route, mixing equipment, and regulatory market.

01 Dry Powder Extract

Most concentrated form

Highly concentrated, spray-dried powder derived via water or ethanol extraction, with strictly standardized active markers. Offers excellent flowability and stability. Ideal for human dietary supplements (capsules/tablets) and serves as a premium feed additive base for livestock and aquaculture.

02 Fluid & Soft Extracts

Liquid concentrate

Premium liquid extracts optimized for rapid absorption and seamless formulation. Perfectly suited for cosmetic serums, personal care formulations, and high-purity oral liquid medications for both human and veterinary applications.

03 Soluble Granule

Instant dispersal

Engineered for complete and rapid water solubility without sedimentation. Perfect for human functional beverages and large-scale animal drinking water systems, ensuring zero clogging in automated farm dosing lines.

04 Custom Formulation

Targeted multi-industry solutions

Pre-blended synergistic formulas tailored to specific industry requirements. Whether formulating a complex nutraceutical or a specialized veterinary treatment, we customize active ratios to meet strict regional compliance and functional goals.

05 Raw Botanical Powder

Custom 60–500 mesh sizing

Premium botanical materials directly milled to precise particle sizes (60–500 mesh). This mechanical process retains the plant’s natural fiber and full-spectrum profile without extraction. A highly cost-effective solution ideal for human dietary capsules, herbal tea blends, and bulk animal feed premixes.

Application-matched grades, Chinese Pharmacopoeia compliant

All grades tested for forsythin (HPLC) and forsythiaside A (HPLC). Both values published on every batch CoA — not summarized as a range, but as actual measured results.

Why dual testing matters: UV polysaccharide values can be inflated with non-active carbohydrates. Astragaloside IV by HPLC is the unambiguous bioactive marker. We publish both — because a single number isn’t accountability.

Grade	Application	Forsythin (HPLC)	KEY SPECIFICATIONS	IDEAL FORMAT
Pharmaceutical	OTC formulas, APIs, Sterile injection blends	≥ 6.0% (HPLC)	Strict Pharmacopoeia compliance; Ultra-low endotoxin & heavy metals; High Forsythiaside A (≥ 2.0%)	Dry Powder
Nutraceutical & F&B Grade	Dietary supplements, Functional beverages, Gummies	≥ 4.0% (HPLC)	TLC verified botanical identity; Clean label compliant; Standardized batch-to-batch consistency	Fine Powder
Veterinary & Animal Nutrition Grade	Drinking water programs, Feed premix, Veterinary injectables	≥ 2.0% (HPLC)	Cost-effective standardized markers; High heat stability for pelleting; Residue tested	Soluble Granule / Powder
Cosmetic & Personal Care Grade	Anti-acne serums, Soothing lotions, Facial masks	≥ 5.0% (HPLC)	Unadulterated natural botanical profile; Preservative-free; Ideal for clean beauty formulations	Dry Powder / Fluid Extract

Water or alcohol extraction— customized to your specifications. Centrifugal spray drying

Why the extraction solvent matters: Water extraction perfectly preserves hydrophilic active compounds, making it the ideal choice for end products requiring strict clean-label compliance. Conversely, ethanol extraction provides superior selectivity for higher-purity targets, significantly increasing the yield of core active ingredients while minimizing inactive impurities. We dynamically tailor the solvent route based on your specific application and regulatory market.

Both extraction routes feed into our advanced centrifugal spray drying system, which utilizes strict low-temperature controls to protect heat-sensitive active ingredients. From raw botanical material to finished free-flowing powder, we proudly maintain an active compound loss rate of < 3%.

Tailored to your application

Pure Water Extraction

Using purified water as the solvent, multiple cycle extractions are performed on the botanical raw materials under controlled temperature and time conditions. The water extraction method can fully dissolve hydrophilic active ingredients, such as water-soluble flavonoids and polysaccharides. The resulting product features excellent water solubility and is ideal for health supplements, cosmetics, and veterinary applications that require “no organic solvent residues,” perfectly aligning with “clean label” standards in the EU and US.

Extraction Solvent

Purified Water

Extraction Temperature

80–95°C

Extraction Time

1.5– 2 hrs × 2-3 times

Solid-Liquid Ratio

1:10–15 (w/v)

Solvent Residue

Not Applicable

Applicable Certification

EU / US Clean Label

No organic solvent residues — no ICH Q3C solvent residue testing required, reducing compliance costs.
The recovery rate of water-soluble active compounds is up to 20–30% higher compared to ethanol extraction, ensuring superior cold-water solubility of the finished product.
Suitable for clean label health supplements and cosmetic raw materials — meets EU EC No 1223/2009 requirements.
For functional beverages and animal nutrition, it dissolves rapidly in cold water without the need for additional solubilization treatments.

Ethanol Extraction

Using ethanol (typically 60–75% concentration) as the solvent, lipophilic (fat-soluble) active ingredients and specific aglycones are selectively enriched by adjusting the solvent polarity. Compared to water extraction, ethanol extraction can increase the yield of target active ingredients by 30–40%, while significantly reducing the co-extraction of hydrophilic inactive impurities (such as polysaccharides and mucilage), thereby streamlining subsequent purification steps. It is highly suitable for producing high-concentration botanical extracts and pharmaceutical-grade export products.

Extraction Solvent

60–75% Ethanol

Extraction Temperature

50–65°C

Extraction Time

1.5–2 hrs × 2-3 times

Solid-Liquid Ratio

1:10–12 (w/v)

Solvent Recovery

Closed reflux ≥ 90%

Residue Standard

ICH Q3C Class 3

The extraction rate of specific target active ingredients is increased by 30–40% — enabling the production of higher concentration specifications with the same raw material input.
Co-extraction of inactive polysaccharides is reduced by about 40%, leading to higher efficiency in subsequent concentration and purification, resulting in better finished product purity.
Closed reflux extraction ensures the loss of volatile active ingredients is < 5%, and the ethanol recovery rate is ≥ 90%.
All batches are tested for residual ethanol according to the ICH Q3C standard, meeting pharmacopeia requirements, and a CoA is provided with shipments.

Centrifugal Spray Drying

The concentrated water or ethanol extract enters the centrifugal spray drying tower, where a high-speed rotating atomizer disc disperses the liquid into uniform, fine droplets. This significantly increases the gas-liquid contact area, completing moisture evaporation in an extremely short residence time. The powder is dried and shaped before reaching the tower wall. The inlet air temperature is precisely controlled throughout the process, and the actual temperature of the material during drying does not exceed 55°C — ensuring that heat-sensitive active ingredients are completely preserved during the powdering process.

Atomization Method

Rotary atomization

Inlet air temperature

160–180°C

Actual material temperature

≤ 55°C

Powder moisture content

≤ 5%

Particle size range

20–80 μm

Activity retention rate

≥ 97%

High-speed rotating atomization by the centrifugal disc produces uniform droplet sizes. After drying, the powder exhibits excellent flowability and consistent bulk density.
The actual material temperature remains ≤ 55°C throughout the process, and the thermal degradation rate of active ingredients is < 3%, which is significantly lower than traditional spray drying methods.
The porous, low-density powder structure dissolves quickly in cold water without clumping, facilitating direct use in end formulations.
The same system is compatible with both water and ethanol extracts. Both extraction routes can be seamlessly connected without the need to switch drying equipment.

Key Process Parameters

Actual Material Temperature

≤ 55 °C · Fully Monitored

Active Retention Rate

≥ 97 % · HPLC Verified

Finished Product Moisture Content

≤ 5 % · Drying Method

Particle Size Range

20–80 μm · Laser Particle Size

Compared to traditional spray drying: Traditional spray drying involves an inlet temperature exceeding 160°C, meaning materials are exposed to high temperatures for extended periods. The thermal degradation rate of heat-sensitive active components can reach 5–15%. Centrifugal spray drying drastically shortens droplet residence time via high-speed atomization. The actual temperature of the material never exceeds 55°C, keeping active loss < 3%. Liquids from both extraction routes can be fed directly into this system without needing equipment reconfiguration.

The condenser valve stays open — for every hour, every batch.

Why this matters: During hot extraction, volatile oils — the terpene- and phenylpropanoid-based compounds responsible for much of a herb’s biological activity — vaporize with the solvent steam. In an open system with no condenser running, that steam vents to atmosphere, carrying the volatile fraction with it. The extract you end up with may pass an HPLC marker spec and still be missing 40–70% of its original volatile oil content. Running the reflux condenser throughout captures that steam, condenses it back to liquid, and returns it to the extraction vessel. Nothing leaves.

We operate our reflux condenser — with cooling water flowing and the condenser valve fully open — for the entire duration of every extraction run. Minimum run time is four hours. It costs more in electricity. We consider it non-negotiable.

Extraction without active reflux

Cooling water bypassed or switched off · Open-vent system

When the condenser valve is closed or the cooling water is off, the condenser becomes non-functional. Steam rising from the boiling extraction passes straight through and vents via the exhaust port. Monoterpenes, sesquiterpenes, and volatile phenylpropanoids — which are carried efficiently by steam even at temperatures well below their individual boiling points — are lost to the atmosphere continuously throughout the run.

Solvent heats; volatile oils vaporize and rise with steam toward condenser

Condenser inactive — no cooling; steam passes straight through without condensing

Steam vents through exhaust port; volatile oils exit with it — gone for good

This repeats every minute of the extraction run — losses accumulate over the full 4+ hours

40–70%

Typical volatile oil loss in an open-vent system

Varies by herb species, boiling point of target compounds, and run duration. Higher for monoterpene-rich herbs (mint, perilla, cyperus); somewhat lower for sesquiterpene-dominant herbs due to higher molecular weight.

Volatile oil fraction arrives in the finished extract at 30–60% of its original concentration in the raw herb
Marker compounds (e.g. essential oil HPLC value) may still "pass" specification — the spec was set too low or doesn't cover the full volatile profile
Losses are irreversible — cannot be corrected at the drying or blending stage
Saves electricity; common in commodity-grade production where per-batch energy cost is a primary driver

Full reflux throughout the run

Cooling water flowing · Reflux condenser fully active · All 4+ hours

With the condenser valve open and cooling water circulating, the condenser maintains a temperature differential that causes rising steam to condense back to liquid on contact with the cooling surface. The condensate — solvent plus dissolved volatile oils — drips back into the extraction vessel. This cycle repeats continuously: vaporize, rise, condense, return. No volatile fraction escapes the system.

Solvent heats; volatile oils vaporize and rise with steam toward condenser

Condenser inactive — no cooling; steam passes straight Condenser active — cooling water flowing; steam contacts cold surface and condenses immediately without condensing

Condensate (solvent + volatile oils) drips back into extraction vessel — nothing lost

Cycle repeats continuously for the full run duration — volatile oil concentration in extract builds and holds

< 8%

Volatile oil loss with active reflux condenser

Residual losses attributable to minor condenser efficiency gaps and unavoidable head-space exchange during loading/unloading. The condenser itself retains >92% of the volatile fraction throughout the extraction cycle.

Volatile oil fraction is preserved in the extract at ≥92% of original concentration in raw herb
The full terpene and phenylpropanoid profile is carried through to the finished powder — not just the non-volatile markers
Consistent batch to batch: reflux conditions are stable and logged; volatile oil retention does not drift with operator decisions
Higher energy cost per batch is a deliberate process commitment, not an oversight

How the condenser is run

Parameters held for the full duration of every extraction batch

Condenser Valve

Fully open

Cooling Water

Continuous flow

Coolant Inlet Temp.

15–20°C

Condensation Zone

Shell-and-tube condenser

Condenser Active From

Pre-heat to drain

Volatile Oil Retention

≥ 92%

Exhaust Port

Closed during run

Run Duration (min.)

4 hrs (≥ 240 min)

Why pre-heat to drain? Volatile oil loss begins the moment the solvent starts warming — even before boiling. We open the condenser valve at the start of the pre-heat phase and keep it open through the full drain cycle. Any batch record showing condenser activation only after the target temperature is reached has already allowed early-phase losses.

What running it correctly costs

Per-batch energy consumption — extraction stage only

Electricity rate 100 kWh / hour

Extraction vessel + heating elements + cooling water pump

100 kWh / hour

Minimum run time 4+ hours / batch

Full reflux from pre-heat through drain — per batch

4+ hours / batch

For any herb where volatile compounds contribute meaningfully to the target bioactivity — or where the volatile fraction is part of the product’s organoleptic identity (flavour, aroma, or functional fragrance in cosmetic use) — open-vent extraction without active reflux produces a fundamentally different product. The marker compound on the CoA may look identical. The volatile oil profile will not.

Process aids for stability. Not cheap fillers for profit.

In botanical extraction, maltodextrin is often a necessary carrier during spray drying to prevent sticky resins from caking and to ensure powder flowability. We use it strictly as a functional manufacturing aid—never as a post-production filler. We guarantee 100% transparency on carrier ratios, and we never dry-blend maltodextrin into finished batches just to lower costs. Need a 100% pure extract? We also offer custom carrier-free processing tailored to your specific botanical requirements.

“There is a massive difference between using a 5% carrier during spray drying to ensure powder stability, and dry-blending 40% cheap carbohydrate into a finished drum to slash prices. One is formulation science; the other is specification inflation. We only practice the former.”

Dry-blending

The liquid botanical extract is blended with a high proportion of maltodextrin (a cheap, tasteless carbohydrate derived from starch) before spray drying. Maltodextrin acts as a “carrier” that improves flowability and reduces dust — but it permanently dilutes the active compound concentration in the final powder.

Maltodextrin is added after drying solely as a cheap, inactive filler.
Carrier ratios are purposely hidden, making your formulation dosing highly inaccurate.
High risk of inconsistent active levels from scoop to scoop due to uneven mechanical mixing.
You ultimately pay botanical extract prices for carbohydrate starch.

Transparent carriers & custom pure options

When we use maltodextrin, it is wet-blended before spray drying strictly to encapsulate botanical actives and improve flowability.

Zero Dry-Blending: We never cut finished powders with fillers to artificially lower our manufacturing costs.
Locked-in Consistency: When a processing aid is required for physical stability, its precise ratio is strictly locked into our master manufacturing record to guarantee absolute batch-to-batch consistency.
Carrier is utilized only when the specific botanical resin demands it for moisture resistance and cold-water solubility.
Custom Carrier-Free Extracts: For specialized formulations, we can adjust our extraction parameters to deliver 100% pure, carrier-free extracts upon request.

0%

Dry-Blended Fillers

No maltodextrin is ever mechanically mixed into finished powders to cheat on weight.

100%

Carrier Transparency

Exact excipient ratios are explicitly stated on your CoA for precise formulation dosing.

Custom

Carrier-Free Options

Depending on the species, 100% pure botanical extracts are available upon request.

Verified

Active Markers

Honest active compound reporting guarantees your final product’s therapeutic efficacy.

We apply two binding criteria before a single kilogram enters our facility.

Most ingredient failures begin before extraction — not in the lab, but at the farm gate. Our procurement process enforces two independent standards that must be satisfied simultaneously. Neither alone is sufficient.

01 Lushi County, Henan — the only origin we accept.

“Dao-Di” is the Chinese pharmacological designation for geo-authentic botanical material — medicinal plants whose therapeutic potency is directly tied to the specific geography, altitude, climate, and soil chemistry of their origin. The concept has been documented in classical materia medica for over 1,500 years and is formally recognized in Chinese Pharmacopoeia (CP 2020) as a quality-determining criterion.

For forsythia, Lushi County in western Henan Province is the nationally recognized Dao-Di origin. At altitudes of 600–1,600 m, with wide diurnal temperature swings and slightly acidic sandy-loam soil, Lushi forsythia produces forsythin concentrations 30–45% higher than material from other regions. We accept no substitutes regardless of price advantage.

Verified Botanical Source

Each raw material must match the declared botanical species, plant part, and origin information. Supplier declarations are reviewed together with incoming inspection records to reduce the risk of substitution, adulteration, or mixed-origin material.

Documented Origin Per Incoming Lot

Every incoming lot is accompanied by supplier documentation, including origin information, harvest or collection records where applicable, and batch traceability documents. These records are archived and can be provided to customers upon request.

Harvest And Post-Harvest Control

Harvest season, plant maturity, drying method, storage condition, and transportation process are reviewed as part of incoming material evaluation. Materials showing signs of mildew, improper drying, abnormal odor, visible contamination, or poor storage are rejected.

Approved Supplier And Producing Area

We work with qualified suppliers and stable producing areas to reduce raw material variability. Supplier performance is evaluated continuously based on origin consistency, documentation reliability, incoming test results, and long-term batch stability.

02 Chinese Pharmacopoeia (CP 2020) — every parameter, every lot.

The Chinese Pharmacopoeia (CP 2020) establishes legally binding quality standards for forsythia fruit — specifying minimum forsythin content, permitted heavy metal limits, pesticide residue thresholds, and authentication requirements by TLC fingerprinting. We treat CP 2020 as the floor, not the ceiling: our internal incoming material specification for key markers is set above the pharmacopoeia minimum to provide a buffer against batch variability during extraction.

Incoming raw material that meets origin requirements but fails any pharmacopoeia parameter is rejected without exception. There is no commercial override for an out-of-specification incoming lot.

TLC species authentication — every incoming lot

Thin-layer chromatography fingerprint comparison against CP 2020 reference standard. Confirms botanical identity and rules out adulteration with related Forsythia species or unrelated substitutes before acceptance.

Rigorous Macroscopic Sorting & Cleaning

Before processing, all raw herbs undergo comprehensive visual inspections. We strictly screen for and remove foreign matter, substandard pieces, and soil residues, ensuring only premium-grade materials enter our warehouse.

Active Marker Or Assay Testing

Key active markers or characteristic compounds are tested by HPLC, UV, TLC, or other validated methods depending on the botanical material and product specification. Internal acceptance limits are set to support stable extract potency and consistent finished-product performance.

Physical Condition & Milling Readiness

Before any material is cleared for custom milling, we evaluate its physical condition, drying state, and structural integrity. This ensures the raw herb is perfectly conditioned to achieve your exact mesh specifications and optimal flowability.

Pre-Purchase Active Compound Testing · Applied Before Any Lot is Accepted

We test target active compounds in the raw herb before procurement — not after.

The most common source of batch-to-batch inconsistency in botanical extracts is variability in raw material active compound density — which is invisible from the outside and undetectable by visual inspection alone. We address this at the point of origin: before any lot is commercially committed, a representative sample is submitted to our QC laboratory for quantitative analysis (e.g., HPLC/UV) of key active markers in the raw, unprocessed herb. Lots falling below our internal incoming material specification — set above the CP 2020 minimum — are rejected regardless of commercial pressure or supply availability. This pre-purchase testing step is what allows us to guarantee a finished extract specification rather than merely target it.

Lushi — from raw material to export-grade extract, all under one roof.

Our facility is located adjacent to the primary cultivation zone, with a fully integrated processing chain covering fresh-fruit intake, primary processing, deep extraction, and finished product QC release. Annual fresh-fruit handling capacity exceeds 8,000 MT. Annual extract output surpasses 5000 MT across all four application grades — making this the largest and most vertically integrated forsythia extraction operation in Asia.

1.8M

mu total Lushi resource
(600K cultivated + 1.2M wild)

8,000+

MT / year fresh-fruit handling
Asia’s largest forsythia processing capacity

5000+

MT / year extract output
across four application grades

GMP

Certified facility
Third-party audits welcomed

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Production Flow — From Fresh Fruit to Export-Grade Extract

01

Raw Material Intake & QC

Strict botanical verification

02

Water or Ethanol Extraction

Customized solvent route

03

Concentration

Low-temp evaporation

04

Spray Drying

Excellent flow & solubility

05

Comprehensive QC Testing

CoA issued

06

Packing & Dispatch

Global express

Every document you need — prepared before you ask

Each certification was pursued because it solves a specific market access or buyer qualification requirement — not as a marketing exercise. We include scope, issuing body, validity period, and the market it is relevant to for every certificate.

Need originals for your supplier approval?

We dispatch full-resolution certificate scans, notarized copies, and issuing body contact details within 24 hours of request. No registration required.

ISO 2200:2018

An internationally recognized standard for food safety management systems. This certification demonstrates our rigorous approach to identifying and controlling food safety hazards throughout the entire plant extraction process. It assures our global B2B clients in the feed additive and human health sectors that our materials meet the highest safety protocols from sourcing to final delivery.

HACCP

A globally recognized systematic and preventive approach to managing biological, chemical, and physical hazards in production. By strictly monitoring critical control points during botanical extraction, we eliminate contamination risks at the source. This rigorous risk management framework is essential for clients requiring absolute purity and uncompromised safety.

Food Production License

The mandatory official authorization issued by national market regulation authorities, legally permitting the production of food and dietary supplement ingredients. It signifies that our manufacturing facilities, sanitation protocols, and QC systems have passed stringent government inspections, ensuring our extracts are fully compliant for human health and high-end feed applications.

GMP Certification

Pharmaceuticalgrade manufacturing standards applied to ourbotanical extraction operations. Significantly higher than standardfood-grade requirements -required by pharmaceutical clientsand veterinary drug manufacturers using our ingredients asstarting materials. Covers process validation,equipmentcalibration,environmental monitoring, and personnel training.

Veterinary Drug Production License

Covers the entire process of veterinary drug production, testing, storage, and release. Strictly audited and issued by the national agricultural administration, proving full compliance with Veterinary GMP standards. This is the mandatory legal prerequisite for manufacturing and distributing veterinary pharmaceutical products, ensuring all batches are safe, effective, and quality-controlled.

Business License

The fundamental legal document authorizing our corporate operations, issued by the State Administration for Market Regulation (SAMR). Verifies our registered capital, approved business scope, and legal representative. It serves as the legal foundation demonstrating full corporate legitimacy for all domestic and international commercial engagements.

ISO 9001 : 2015

Covers all production, testing, documentation, storage, and export processes. Audited annually by an accredited third-party certification body. Zero non-conformances in the last three consecutive audit cycles. The foundation standard required by most enterprise supplier qualification programs globally.

ISO 14001 : 2015

Internationally recognized standard for environmental management. Validates our commitment to minimizing our environmental footprint, reducing waste, and ensuring sustainable manufacturing practices. Covers wastewater treatment, emission controls, and resource efficiency. Essential for partnering with environmentally conscious global enterprises.

ISO 45001 : 2018

A comprehensive framework ensuring a safe and healthy workplace for all employees. Proactively prevents work-related injury and ill health through rigorous risk assessment and safety protocols. Covers hazard identification, emergency response mechanisms, and continuous safety training across all production facilities.

Open PDF file

The people behind the specification

We’re not a trading company. When you have a formulation question or a quality issue, you’re talking to the person who was in the lab. Every technical claim we make is backed by someone with direct production accountability.

A note on technical support: Our team handles formulation questions, dosage guidance, regulatory documentation, and compatibility questions as part of the standard buyer relationship — not as a paid consulting service. If you have a technical question before ordering, ask us.

Prof. Dr. Zhao Jinzhong

Chief Scientific Advisor

Over 20 years of expertise in medicinal chemistry and chemical biology. Lead researcher specializing in the discovery, extraction, and functional application of bioactive plant compounds. Has authored over 70 high-impact papers in leading international journals and holds multiple patents for natural product extraction technologies.

Prof. Dr. Zhang Yongpo

Senior R&D Scientist

Specializes in organic chemistry and the targeted extraction of natural active ingredients. Leads formulation methodology and coordination chemistry research to enhance the stability and bioavailability of botanical extracts. Published extensively in leading molecular structure and inorganic chemistry journals.

Dr. Yin Congcong

Lead Analytical Scientist

Senior experimentalist bridging raw material analysis with biochemical applications. Directs advanced laboratory testing protocols and biological activity evaluations to ensure absolute batch-to-batch consistency and active compound standardization.

Dr. Guo Dongdong

Extraction Process Engineer

Expert in green chemistry and advanced organic synthesis. Focuses on scaling up laboratory extraction parameters into highly efficient, sustainable industrial production lines, optimizing solvent routes and temperature controls to maximize active ingredient yields.

Every batch tested. Every test published.

Our QC process reflects the dual-marker standard — both APS polysaccharides and Astragaloside IV on every production lot, not just on registration batches.

Incoming raw herb verification

Origin authentication, heavy metals (AAS), and TLC species confirmation before raw material enters production.

In-process and final product testing

Moisture, target active compounds (HPLC / UV-Vis), mesh size, microbiology. Final product CoA issued only after all parameters pass QA sign-off.

24-month retained sample program

Every production batch retained under controlled conditions for 24 months. Independent third-party retesting (SGS, Intertek, Bureau Veritas) accepted as binding on both sides.

QA-direct issue resolution

All quality claims handled by QA Manager — not routed through sales. Formal root-cause analysis within 5 business days. Resolution confirmed in writing before action taken.

GMP Certified

Veterinary extract facility

ISO 9001

Quality management system

Chinese Pharmacopoeia

CP 2020 full compliance

Export Certified

EU · US · SEA markets

"We publish the measured value, not just the minimum."

If APS tests at 73.4%, our CoA says 73.4% — not “≥70%”. That’s the difference between a document that proves quality and one that merely asserts it.

From our factory to your production line

Standard lead times, packaging options, and MOQ structure — so there are no surprises before your first order.

Sample Order

20-100g Free Samples

Full CoA, spec sheet, and pricing indication included with every sample. Shipped globally within 48 hours of request.

Quantity 20-100g
Packaging Sealed foil pouch + desiccant
Shipping Prepaid express · DHL / FedEx
Lead time 48 hours from request
Cost Free (all markets)

Trial Order

50 kg — formulation validation

Designed for formulation teams validating before committing to production volume. Available in all four application grades. Separate lot and dedicated CoA issued.

MOQ 50 kg per grade
Packaging 25kg drum (HDPE, UN-rated) or kraft bag
Shipping DAP / CIF · Buyer's preference
Lead time 7–10 business days
Documentation Full CoA + spec sheet

Production Order

1000 kg+ — standard commercial terms

Standard production orders available in 25 kg drums or 25 kg aluminum-lined kraft bags. Bulk pallet shipments on standard commercial trade terms.

MOQ 1000 kg per grade
Packaging 25kg drum (HDPE, UN-rated) or kraft bag
Shipping FOB Lanzhou / CIF destination
Lead time 15–20 business days (in-stock: 7 days)
Documentation Cool, dry · Below 25°C · Away from light

Shelf Life

24 months

Sealed, below 25°C, away from light and moisture

In-Stock Grades

All 4 grades

Drinking water · Feed mixing · Oral · Injection

Payment Terms

T/T 100%

Against B/L or CoA — negotiable for regular buyers

Private Label

Available

Custom packaging, label, spec format from 25 kg order

Questions buyers ask before placing a first order

Our technical team answers these most frequently. If yours isn’t here, ask us directly — technical consultation is a standard part of our buyer relationship, not a paid service.

What extraction process do you use for Forsythia, and how does it ensure high yield?

We strictly utilize optimized ethanol extraction to process our Forsythia leaves/fruits. This temperature-controlled method effectively isolates the target active flavonoids and glycosides without degrading them. By strictly following the extraction monographs of the Chinese Pharmacopoeia, we ensure our extracts retain maximum therapeutic potency without relying on harsh chemical solvents.

What is the difference between forsythin (phillyrin) and forsythiaside A? Why test both?

Microwave vacuum drying (MVD) works through internal heat generation — microwave energy directly excites water molecules, while a vacuum environment (<3 kPa) reduces water’s boiling point to below 40°C. The material itself stays at 40–50°C throughout. Forsythin’s thermal stability is excellent below 55°C, so active compound loss is <3%, compared to 5–15% for spray drying (inlet 180°C, outlet 80°C). vs. freeze drying (FD): both achieve similar active retention rates (MVD ≥97% vs. FD ≥98%). However, MVD energy consumption is roughly 40% that of freeze drying, with drying cycles of 60–90 minutes vs. 12–24 hours for FD. MVD is the practical choice for high-volume production without quality compromise. The resulting powder is more porous and dispersible than FD product, giving better reconstitution speed.

How does Lushi forsythia compare to material from other Chinese producing regions?

Forsythin is a lignan compound, the CP 2020 legal marker for forsythia raw material, primarily responsible for broad-spectrum antimicrobial and antiviral activity. Forsythiaside A is a phenylethanoid glycoside with significantly stronger antioxidant capacity (DPPH scavenging) and potent anti-inflammatory effects via multiple cytokine pathways (TNF-α, IL-6 inhibition) — particularly relevant for cosmetic and chronic-inflammation applications. The two compounds have different pharmacological targets; neither alone fully represents the product’s biological activity. Reporting both means a buyer can evaluate the extract against the specific efficacy they need — antimicrobial applications care most about forsythin; antioxidant and anti-inflammatory applications care most about forsythiaside A. Dual HPLC reporting also prevents either value from being diluted or inflated without detection.

What is the difference between green fruit (qing qiao) and mature fruit (lao qiao)? Which should I specify?

Multiple published origin-differentiation studies confirm that Lushi County forsythia carries significantly higher forsythin content than material from Taihang, Lüliang, or other Shanxi-region producers. The combination of 600–1,600 m elevation, a temperate mountain climate with wide diurnal temperature swings, and slightly acidic sandy-loam soils together define Lushi’s Dao-Di character. Based on our incoming batch testing data (n=30 batches, three producing regions), Lushi green-fruit forsythin averages 2.8–3.5 mg/g (dry herb weight), versus 1.9–2.4 mg/g for Taihang region material — approximately 30–45% higher. This difference compounds at the extract level: a given specification (e.g., forsythin ≥5%) can be met with approximately 25% less Lushi raw material, creating a direct cost advantage that offsets any origin premium.

What are the solubility specifications? Is the extract suitable for drinking-water dosing systems?

Green fruit (July–August harvest, immature) and mature/dried fruit (September–October, split open) differ meaningfully in active content. Green fruit: forsythin content 20–40% higher than mature fruit, richer essential oil profile, stronger antimicrobial activity — preferred for pharmaceutical grade and health supplement grade extract; CP 2020 quality standards are calibrated to green fruit. Mature fruit: higher total flavonoid content, lighter weight and easier sorting, lower raw material cost per kg — appropriate for veterinary and cosmetic grade products where forsythin specification requirements are more relaxed. We maintain separate inventory for green-fruit and mature-fruit raw material, and the CoA notes which was used. If your specification requires forsythin ≥5%, we recommend specifying green-fruit sourcing as a contract term — we can fix this in the purchase agreement.

What documentation is provided with a commercial order?

Every commercial shipment is accompanied by a comprehensive Certificate of Analysis (CoA) detailing the HPLC test results and physicochemical limits. We also provide standard commercial documentation including the Specification Sheet, MSDS, Commercial Invoice, and Packing List to facilitate smooth international customs clearance.

What is the regulatory status of forsythia extract in EU and US markets?

Regulatory classification depends on intended use and target market. EU health supplement / botanical medicine: forsythia extract may be registered under the Traditional Herbal Medicinal Products Directive (THMPD 2004/24/EC), or as a Novel Food ingredient under Regulation (EU) 2015/2283 — forsythia has documented historical consumption records in the EFSA database that support a more streamlined review. EU veterinary / feed application: can be classified as a botanical feed material under Regulation (EC) 767/2009, provided no therapeutic claims are made and species-specific residue data is available. US dietary supplement: no FDA pre-market approval required; must comply with DSHEA; New Dietary Ingredient (NDI) notification may be required depending on product form and prior US market history — our technical team can advise case by case and provide the supporting safety data package. Our export technical manager can issue a market-specific regulatory advisory memorandum for your specific use case and target market, as a standard pre-order service at no charge.

Do you offer private label (OEM/ODM) and custom formula development?

Yes. Our current production maximum for commercially validated batches is forsythin ≥20% (HPLC) with concurrent forsythiaside A ≥5%. Higher concentrations require multi-stage column chromatography purification, extending the production schedule to 4–6 weeks, with price scaled to specification. Important technical note: above forsythin ≥15%, hygroscopicity increases significantly. At this concentration level we use nitrogen-flushed double-sealed foil packaging and recommend storage below 20°C to maintain stability through the shelf life. If you need a high-specification batch, please provide your target spec sheet (including forsythin target range, forsythiaside A requirement, and application context) and we’ll confirm feasibility and provide pricing within 48 hours.

What happens if a batch fails our incoming QC?

At raw material level: Lushi GAP cultivation bases prohibit high-toxicity pesticides year-round. Every incoming seasonal lot undergoes full pesticide screening (GC-MS/LC-MS), covering the restricted pesticide list from CP 2020 and approximately 180 compounds from the EU MRL concern list. Heavy metals are tested by ICP-MS for Pb, Cd, Hg, and As, referenced against CP 2020 limits for TCM materials. At extract level: finished product is retested for both pesticides and heavy metals to confirm no concentration during the extraction process. For EU-destined shipments, we additionally cross-reference results against EU MRL requirements (Regulation 396/2005 and amendments) and note compliance in the CoA. Raw instrument data files (not summaries) are available to qualified buyers under NDA on request.

Herbs frequently combined with forsythia in formulation

The following are most frequently requested alongside forsythia. All available in the same four product forms from the same facility — consistent quality, single-source supply chain.

Honeysuckle Flower Extract

Lonicera japonica

Chinese Skullcap Extract

Scutellaria baicalensis

Isatis Root Extract

Isatis indigotica

Gardenia Fruit Extract

Gardenia jasminoides

Start with a free 100g sample. Ships in 48 hours.

Worldwide express delivery. Every sample ships with full CoA (dual HPLC markers), spec sheet, and a pricing indication for your target volume.

Choose your grade — pharmaceutical, health supplement, veterinary, or cosmetic
CoA reports both forsythin and forsythiaside A as actual HPLC-measured values
Pricing indication for your MOQ included in the same reply
Formulation calculation sheet and inclusion rate guidance available on request
NDA available before any technical brief or formula disclosure

All inquiries treated with strict confidentiality · No pushy follow-ups · One business day response guaranteed

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We reply within 1 business day with pricing, lead time, and sample tracking number.

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