Astragalus Polysaccharide Extract

A globally recognized botanical for advanced immunomodulation. Our Astragalus Polysaccharide Extract is precision-engineered to meet the strict demands of the global health and veterinary industries. It is available in four purpose-built grades—ranging from sterile pharmaceutical applications to premium dietary supplements. To guarantee uncompromising potency and purity, every batch is rigorously verified by our in-house HPLC and UV analytics.

≥70%

Polysaccharides (UV)

Dao-Di

Authentic Origin Sourcing

HPLC

Dual verification

CP

Pharmacopoeia std.

Astragalus Extract

Astragalus membranaceus (Fisch.) Bge.

Raw Astragalus Powder

Astragalus Extract 10:1 20:1 or Custom

≥65% APS (UV) + ≥0.1–0.3% Astragaloside IV (HPLC)

≥60% APS (UV) + ≥0.1–0.3% Astragaloside IV (HPLC)

≥70% APS (UV) + ≥0.1–0.5% Astragaloside IV (HPLC)

≥70% APS (UV) + ≥0.1–0.5% Astragaloside IV (HPLC) – Injection Grade

Astragaloside IV (HPLC) 5%-20%

GMP

Certified facility · Lushi

CoA

Issued for every batch

24 Mo

Retained batch samples

CP 2020

Chinese Pharmacopoeia

R&D Team

PhD-led formulation support

What Astragalus extract buyers typically encounter

Early batches pass QC. Later ones drift. The spec sheet says “≥70%” but never specifies which testing method. When problems surface, you’re talking to a sales rep who wasn’t in the lab and can’t access the production records.

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

1. Inconsistent quality from middleman brokers

Most suppliers are trading companies without manufacturing capabilities. This leads to hidden markups, unstable supply chains, and zero control over the actual extraction process.

2. Delayed or skipped QC testing

Many suppliers rely entirely on third-party labs. Because external testing is expensive and slow, they often test only selectively, allowing out-of-spec batches to slip through unseen.

3. Zero traceability for post-delivery issues

If a formulation fails stability testing months after purchase, ordinary suppliers have no reference material to trace the root cause, leaving buyers to absorb the loss.

4. 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.

5. Fake polysaccharides inflating UV tests

UV-only testing is easily gamed with cheap carbohydrate fillers (like maltodextrin). Buyers receive "≥70%" on paper but see inconsistent or zero immune-boosting bioactivity in the field.

6. One vague "veterinary grade" for all applications

Most mass-market suppliers list a single, low-tier specification, leaving buyers to guess whether the extract is actually suitable and safe for premium human dietary supplements or sterile pharmaceutical formulations.

1. Direct Manufacturer Quality Control

We own the extraction facility, exclusively sourcing geo-authentic (Dao-Di) Astragalus root from Gansu Province. From raw material intake to the final extract, we maintain end-to-end control, ensuring consistent supply across every batch.

2. Real-time In-House Laboratory

Our facility operates a dedicated, on-site QC department equipped with HPLC and UV instruments. We perform real-time testing during the production run, catching and correcting deviations immediately.

3. 24-Month Retained Sample Library

We retain physical samples of every dispatched batch for 24 months. This guarantees absolute traceability, supports your long-term stability studies, and provides concrete evidence for any technical troubleshooting.

4. Customized Testing & Compliance

We don't offer generic promises. Instead, we customize our pesticide and heavy metal screening protocols (via certified third-party partners) tailored exactly to your specific regional regulations and formulation requirements.

5. Strict Pharmacopoeia (CP) Testing Standards

We strictly test every batch according to the rigorous standards of the Chinese Pharmacopoeia (CP). This pharma-level analytical methodology ensures authentic botanical identity and definitively exposes any synthetic spiking.

6. Four Distinct Application Grades

We produce purpose-built Astragalus extracts: Pharmaceutical, Nutraceutical, Veterinary, and Animal Nutrition. Each grade features a tailored production SOP, cleaning validation record, and specific CoA template.

Astragalus Extract — from pharmaceutical formulations to everyday wellness

Four standardized concentration grades cover every downstream application. Each grade is purpose-built for its sector, with a separate production specification, cleaning validation, and CoA template.

01 Drug Manufacturing

Astragalus is a foundational botanical in traditional and modern medicine, globally recognized for its profound immunomodulatory, cardioprotective, and vital-energy (Qi) tonifying properties.

Classic botanical API for immune-regulating and cardioprotective formulations
Active ingredient for sterile injectable blends and oral solutions
Standardized to precise Astragaloside IV levels via HPLC for exact dosing
Strict Pharmacopoeia compliant · Ultra-low endotoxin and heavy metals
Full pharma dossier and batch-to-batch consistency guaranteed

02 Nutraceuticals & Functional Foods

As consumer demand for natural immune defense and adaptogenic wellness grows, our Astragalus extract provides a scientifically backed, clean-label solution for premium dietary supplements and functional beverages.

Immune support capsules and tablets — adaptogenic wellness category
Energy and vitality boosting formulations (often paired with ginseng)
Water-soluble formats for functional beverages and liquid extracts
Clean label compatible · 100% aqueous extraction (Solvent-free)
Standardized dual-markers: Polysaccharides (UV) & Astragaloside IV (HPLC)

03 Skincare & Personal Care

Rich in saponins and polysaccharides, Astragalus extract is a premium anti-aging and skin-revitalizing active, boosting cellular metabolism and enhancing the skin’s natural barrier.

Anti-aging serums and creams — promoting skin elasticity and firmness
Revitalizing face masks for tired, dull, or mature skin
Barrier repair formulations with potent antioxidant properties
Highly purified solvent-free extraction for optimal formulation stability
INCI compliant · Unadulterated natural botanical profile

04 Animal Health & Feed Additives

A highly effective, natural immunomodulator. Astragalus extract enhances herd immunity, acts as a potent vaccine adjuvant, and provides robust viral defense for livestock without residue concerns.

Poultry immune defense — enhancing resistance during seasonal viral challenges
Swine herd wellness — advanced botanical premixes for overall vitality
Vaccine adjuvant properties — improving antibody response in production animals
High heat stability for feed premix and pelleting processes
Cost-effective Polysaccharide (APS) standardization for large-scale dosing

Astragalus 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.

Chinese Pharmacopoeia compliance by application

All grades tested for APS (UV) and Astragaloside IV (HPLC). Both values published on every batch CoA.

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	RATIO, APS (UV) & ASTRAGALOSIDE IV (HPLC)	Key Notes	Typical Species
Pharmaceutical Grade	OTC immune formulas, Oral liquids, Compound granules, Sterile injectables	≥70% APS + ≥0.1-0.5% Astragaloside IV (Injection Grade) OR 5%-20% Astragaloside IV	Strict Pharmacopoeia compliance; In-house HPLC verified; Comprehensive heavy metal screening; Endotoxin tested	Powder
Nutraceutical & F&B Grade	Immune support capsules, Dietary supplements, Tablets	≥70% APS + ≥0.1-0.5% Astragaloside IV OR 10:1, 20:1 Extract	100% aqueous extraction (Solvent-Free); Excellent flowability for encapsulation; Clean label compliant	Powder / Granule
Cosmetic & Personal Care Grade	Oral solutions, syringe dosing, bolus	10:1, 20:1 Extract (or Custom)	Potent anti-inflammatory & antioxidant properties; Unadulterated natural botanical profile; INCI compliant	Powder / Fluid Extract
Veterinary & Animal Nutrition Grade	Feed premix, Drinking water programs, Vaccine adjuvants	≥60%-65% APS + ≥0.1-0.3% Astragaloside IV OR Raw Astragalus Powder	Cost-effective botanical immune booster; High heat stability for pelleting; Strict ecological sourcing	Soluble Granule / Powder

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.

Compatible with Both Extraction Routes

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.

Why Astragalus works — and how to read the evidence

Bioactivity is driven by two distinct compound classes: polysaccharides (APS) and triterpene saponins (Astragaloside IV). Each with documented immunological and metabolic effects.

Immune Cell Activation

Spray-granulated for complete water solubility. Dissolves in <60 seconds in cold water. Ideal for poultry and swine drinking water programs. No sedimentation.

Key marker

APS polysaccharides · UV ≥60–70%

Cardiac & Vascular Protection

Astragaloside IV reduces cardiomyocyte apoptosis and improves ejection fraction. Documented in poultry heat-stress mortality reduction and transport stress recovery in swine.

Key marker

APS polysaccharides · UV ≥60–70%

Gut Barrier Integrity

APS promotes intestinal epithelial proliferation and modulates microbiota, increasing Lactobacillus and Bifidobacterium populations. Key for post-antibiotic gut recovery programs.

Key marker

APS polysaccharides · UV ≥60–70%

Antiviral Defense

APS enhances NK cell cytotoxicity and upregulates type I interferon response. Used alongside ND and IBD vaccination to improve seroconversion rates in field programs.

Key marker

APS polysaccharides · UV ≥60–70%

Telomere & Longevity

Cycloastragenol (Astragaloside IV metabolite) is a documented telomerase activator. Relevant in breeding stock longevity programs for sows, dairy cows, and laying hens.

Key marker

APS polysaccharides · UV ≥60–70%

Hepatoprotective Activity

Both APS and saponin fractions reduce ALT/AST elevation in hepatotoxin-challenged animals. Used in mycotoxin detox and post-medication liver recovery, often with Milk Thistle.

Key marker

APS polysaccharides · UV ≥60–70%

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

Our facility is strategically located at the botanical source, featuring a fully integrated processing chain that covers raw material intake, primary processing, deep extraction, and final QC release. By controlling every step from raw biomass to finished powder, we eliminate middleman risks and guarantee consistent, export-grade extracts across all industry sectors. We are your reliable, vertically integrated manufacturing partner.

23,000m²

GMP-certified production facility

9

Extraction Vessels

5000+MT

Annual extract capacity

GMP

Certified facility
Third-party audits welcomed

All
Factory
Products
lab

Factory

Products

Products

Products

Products

Products

Products

Products

Factory

lab -1

lab -2

lab -3

lab -4

lab -5

lab -6

lab -7

lab -8

PRODUCTION FLOW — FROM RAW MATERIAL TO EXPORT-GRADE EXTRACT

01

Raw Material Intake & QC

Strict botanical verification

02

Water or Ethanol Extraction

Customized solvent route

03

Vacuum 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, and TLC species confirmation before raw material enters production.

In-process and final product testing

Moisture, APS (UV), Astragaloside IV (HPLC), 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 Zhang Lei — 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 Sample

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

Quantity 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

These are the questions our technical team handles most often. If yours isn’t here, ask us directly.

What's the difference between APS polysaccharides tested by UV vs HPLC?

UV spectrophotometry measures total polysaccharide content by color reaction — it’s fast and inexpensive but can’t distinguish between active Astragalus polysaccharides and generic carbohydrate fillers. HPLC provides molecular-level identification of specific marker compounds (Astragaloside IV). We run both: UV establishes total polysaccharide content, HPLC confirms bioactive compound identity and concentration. A product that passes UV but fails HPLC is a red flag.

Can the same extract be used for both drinking water and feed applications?

Not interchangeably. Drinking water grade must have higher solubility specifications and must be free of any components that could block nipple drinkers or cause foaming at high dilution. Feed mixing grade is optimized for heat stability during pelleting (up to 85°C). Using a standard extract in a water line may result in sediment build-up. We recommend matching grade to application — ask our technical team if you’re unsure.

How does polysaccharide content affect inclusion rate calculations?

Directly. If your target is 500 mg APS per kg of feed and your extract is 65% APS, inclusion rate = 500 ÷ 0.65 = 769 mg/kg. At 70% APS content, the inclusion rate drops to 714 mg/kg — a difference that matters at scale. We provide formulation calculation sheets for each grade upon request, and our technical team handles inclusion rate calculations as a standard pre-order service.

Is Astragalus extract considered a drug or a feed additive in EU/US markets?

Regulatory status varies by jurisdiction and product form. In the EU, Astragalus extracts for veterinary use can be classified as a botanical feed material under Regulation (EC) 767/2009, provided no therapeutic claims are made and species-specific residue data supports the application. In the US, TCM botanical extracts for veterinary use occupy an ambiguous regulatory space under FDA CVM guidance — typically positioned as feed ingredients. Our export technical manager can advise on documentation requirements for your specific target market.

What is the Astragaloside IV content of the capsule-grade oral extract mentioned in the image?

The oral capsule grade is standardized to ≥5–200% Astragaloside IV by HPLC — the “5–200%” range reflects that this grade can be manufactured to any target specification within that window by request. The standard catalog item ships at ≥0.3% Astragaloside IV unless a higher concentration is specified at order. Custom concentrations up to 5% are available with 4–6 week lead time for special-run production.

What documentation comes with each production batch?

Every production batch ships with: Certificate of Analysis (CoA) with actual measured values for all parameters; Certificate of Origin; Phytosanitary Certificate; MSDS / Safety Data Sheet; Health Certificate from Gansu Provincial Agriculture and Rural Affairs Bureau. For EU destinations, we also provide customs commodity code confirmation and REACH exemption statement. Additional documentation (farm traceability, audit report, stability data) available on request.

Can you produce to a custom APS specification higher than 70%?

Yes — we routinely produce to ≥80% and ≥90% APS upon request. Higher-specification batches require 3–4 week lead time for production scheduling. Pricing scales with specification. Note that above 90% APS, hygroscopicity increases significantly, and packaging requirements change (we use nitrogen-flushed double-sealed foil at ≥90%). Send us your specification requirement and we’ll confirm feasibility and pricing within 48 hours.

Do you offer private label / white-label production?

Yes, from 25 kg per SKU. We provide: custom product name and labeling, custom CoA format with your company details, custom specification ranges (within our manufacturing capability), and packaging format selection. An NDA is available before any brief — all formulation discussions are confidential. Lead time for first private label batch: 4–6 weeks from specification agreement and NDA signature.

Can we audit your facility before placing a first order?

Yes, and we welcome it. We schedule supplier qualification audits and technical pre-supply visits — either in-person at our Gansu facility or via scheduled live video walk-through. Most EU and US buyers complete a remote audit before the first production order. To schedule: contact our export technical manager with your audit requirements, and we’ll book a session within 2 weeks. An audit checklist is available on request.

What happens if a batch fails our incoming QC test?

Contact QA Manager Zhang Lei directly (email or WhatsApp) with the lot number, your test result, and any discrepancy details. We acknowledge within 4 business hours. A formal root-cause analysis is issued within 5 business days using retained batch sample, production records, and incoming material data. If third-party arbitration is needed, SGS / Intertek / Bureau Veritas retesting is accepted as binding. Resolution options: replacement shipment, credit note, or full refund — confirmed in writing before action is taken.

Ingredients that work with Astragalus in formulation

Frequently requested in combination. All available in the same four product forms.

Milk Thistle Extract

Silybum marianum

Codonopsis Extract

Codonopsis pilosula

Isatis Root Extract

Isatis indigotica

Berberine HCl

Coptis chinensis

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

Prepaid express to EU, US, and Southeast Asia. Every sample ships with full CoA, spec sheet, and a pricing indication for your target volume.

Choose your grade — drinking water, feed mix, oral, or injection
Full CoA with both APS and Astragaloside IV values included
Pricing indication for your MOQ in the same reply
Formulation calculation sheet on request
NDA available before any brief or formula disclosure

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

Send an inquiry

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

Name

Company

Country

Product form

Application grade

Message

NDA available on request · No commitment required · Confidential