Direct factory supply with verified batch documentation, HPLC assay controls, and global export packaging. Review primary product offerings below:
The global market for Sophora flavescens root extract (traditionally recognized in pharmacopoeias as Radix Sophorae Flavescentis or Ku Shen) is undergoing a major paradigm shift. Historically regarded as a traditional herbal bulk commodity, it has evolved into a precision-refined active pharmaceutical ingredient (API), specialized agrochemical biopesticide, and clinical-grade cosmetic active. As multinational brands shift away from synthetic bactericides and synthetic anti-inflammatory agents, standardized fractions of quinolizidine alkaloids—primarily Matrine and Oxymatrine—and prenylated flavonoids such as Kurarinone and Sophoraflavanone G are commanding substantial market premiums.
With escalating restrictions imposed by the European Union on neonicotinoids and organophosphates, natural technical-grade Matrine (0.5%–20% liquid concentrates and 98% pure crystalline powders) has emerged as an essential bio-insecticide and nematicide. Leading agricultural chemical aggregators import hundreds of metric tons annually to formulate organic-compliant pest deterrents for high-value horticulture.
In high-performance skincare, purified Sophora extracts standardized to Kurarinone and total flavonoids have demonstrated profound 5α-reductase inhibition, outperforming conventional botanical anti-sebum agents. Coupled with its documented minimum inhibitory concentrations (MIC) against Cutibacterium acnes and Malassezia furfur, tier-one cosmetic manufacturers integrate Ku Shen isolates into corrective acne and anti-dandruff regimens.
Global extraction remains heavily concentrated in North and Northwest China (notably Shaanxi, Shanxi, Gansu, and Inner Mongolia), where climatic conditions yield wild-harvested and sustainably cultivated roots with superior alkaloid accumulation. International procurement directors require verified, direct-from-origin manufacturing relationships to hedge against raw material price shocks and regulatory import hurdles.
A reliable B2B supplier must furnish definitive chromatographic verification rather than non-specific UV-Vis photometric estimates. Below is the technical breakdown of primary commercial grades refined by Xi'an Le-Nutra Ingredients Inc. via multi-stage countercurrent extraction and high-resolution preparative chromatography:
| Active Compound / Grade | CAS Registry Number | Molecular Formula & Weight | Assay Testing Method | Primary Industrial Vector |
|---|---|---|---|---|
| Matrine (High Purity) | 519-02-8 | C15H24N2O (248.36 g/mol) | HPLC-DAD / ELSD (≥98.0%) | API, Anti-inflammatory therapeutics, Organic Biopesticides |
| Oxymatrine (Crystalline) | 16837-52-8 | C15H24N2O2 (264.36 g/mol) | HPLC Reverse-Phase (≥98.0%) | Hepatoprotective pharmaceuticals, Immunomodulatory research |
| Total Quinolizidine Alkaloids | N/A (Complex Extract) | Matrine + Oxymatrine + Sophocarpine | Titration / HPLC Summation (10% - 50%) | Veterinary anthelmintics, Agrochemical concentrates |
| Kurarinone Fraction | 34981-26-5 | C26H30O6 (438.51 g/mol) | HPLC (10.0% – 90.0%) | High-end cosmetic whitening, 5α-reductase hair care formulations |
| Standardized Ratio Extract | N/A (Botanical Drug) | Water/Ethanol Native Extractives | TLC Identity / Loss on Drying (10:1 / 20:1) | Dietary supplements, Traditional compounding tablets |
Every export lot undergo ICP-MS testing verifying: Arsenic (As) < 1.0 ppm, Cadmium (Cd) < 0.5 ppm, Lead (Pb) < 1.0 ppm, and Mercury (Hg) < 0.1 ppm. Pesticide residue multi-screens conform strictly to USP <561> and Ph. Eur. 2.8.13 guidelines, ensuring complete absence of forbidden organochlorines and synthetic pyrethroids.
Non-irradiated options are maintained via low-temperature pasteurization. Standard specifications require Total Aerobic Microbial Count (TAMC) < 1,000 CFU/g, Yeast & Mold < 100 CFU/g, with zero tolerance for E. coli, Salmonella, or Staphylococcus aureus. Particle sizing is routinely calibrated to 100% through 80 mesh, with custom micronization down to 200 mesh available.
Understanding the distinct pharmacological mechanisms of Sophora flavescens components allows contract manufacturers to formulate next-generation commercial products. Here is how leading global enterprises incorporate our extracts:
Kurarinone and Sophoraflavanone G function as potent non-cytotoxic melanogenesis inhibitors via competitive tyrosinase antagonism. In anti-acne serums, low-percentage Matrine downregulates inflammatory interleukins (IL-1β, IL-6, TNF-α) while arresting sebaceous gland hypersecretion, providing an effective non-antibiotic alternative for sensitive and rosacea-prone skin.
As a broad-spectrum botanical insecticide, Matrine targets insect acetylcholinesterase and disrupts central nervous transmission. Upon contact or ingestion, pests experience immediate paralysis and tracheal suffocation. Because it degrades rapidly in natural soil environments without leaving hazardous chemical residues, it is widely utilized across GlobalGAP-certified vineyards, berry fields, and tea plantations.
With escalating worldwide bans on antibiotic growth promoters (AGPs), total Ku Shen alkaloids serve as functional phytogenic feed additives. When integrated into swine and poultry diets, the alkaloids actively suppress Eimeria oocyst shedding in coccidiosis management, reinforce mucosal barrier tight junctions, and mitigate post-weaning diarrheic syndromes without promoting antimicrobial resistance.
Oxymatrine (Kushenin) is extensively documented for its antifibrotic properties in hepatic tissue. Through modulation of TGF-β1/Smad signaling pathways and induction of hepatic stellate cell apoptosis, it prevents excessive collagen deposition. Global API innovators source our ultra-pure ≥98% Oxymatrine crystalline powder for clinical trials targeting chronic hepatitis, cardiac arrhythmias, and oncological co-therapies.
Xi'an Le-Nutra Ingredients Inc. operates a 60,000 square meter intelligent manufacturing facility housing six multifunctional continuous extraction lines. Processing botanical biomass into ultra-pure isolates requires uncompromising engineering precision to prevent thermal degradation of sensitive tertiary alkaloids and prenyl flavonoids.
Raw harvested roots undergo spectroscopic identification, cryogenic crushing, and multi-stage dynamic countercurrent extraction at precisely managed temperatures (55°C–65°C) to maximize alkaloid liberation while preventing pyrolysis.
Crude eluates pass through specialized non-polar AB-8 and D101 resin chromatography columns. Differential gradient elution separates targeted flavonoid aglycones from bitter quinolizidine alkaloids and inactive plant polysaccharides.
Ceramic nanofiltration removes high-molecular tannins and pigments. Concentrated liquors undergo low-temperature vacuum crystallization, producing pure white crystalline needle structures of Matrine or Oxymatrine without toxic solvent remnants.
Final cakes undergo sterile drying, ultrasonic sieving under inert nitrogen blanket, and quantitative HPLC/GC-MS testing. Released batches are vacuum packaged in medical-grade aluminum liners inside tamper-evident fiber drums.
As environmental ESG benchmarks tighten worldwide, Le-Nutra's R&D department is actively establishing semi-continuous Supercritical Fluid CO2 (SFE-CO2) extraction modules paired with ethanol co-solvents. This process circumvents flammable hydrocarbon solvents entirely, generating pure flavonoid extracts with pristine odor profiles ideal for cosmetic formulations.
Concurrently, bio-enzymatic transformation protocols are being developed to convert raw Matrine into rarer hydroxylated derivatives, unlocking enhanced bio-availability for next-generation phytopharmaceutical discoveries.
Procuring botanical actives at industrial scale exposes international organizations to acute commercial risks: lot-to-lot assay drift, heavy metal hyper-accumulation, unannounced pricing spikes, and severe port customs detentions. Xi'an Le-Nutra Ingredients Inc. resolves these structural pain points through integrated operational programs:
We eliminate market price volatility by entering multi-year purchase contracts with Good Agricultural Practice (GAP) cooperative farms located across Shaanxi and Gansu. This backward integration guarantees uninterrupted raw root supplies, stabilizes alkaloid yield ratios, and protects our buyers from harvest speculative bubbles.
We provide complete toll manufacturing and bespoke formulation customization. Whether your application requires micro-encapsulated water-dispersible granules to mask bitter organoleptic properties, customized hydro-glycolic liquid extracts for cosmetic compounding, or specific particle sizing, our R&D engineering unit executes exact specifications.
To accelerate your corporate vendor qualification, we accompany every commercial shipment with complete regulatory files: batch-specific Certificate of Analysis (COA), 16-section GHS-compliant Safety Data Sheets (SDS), technical process flow diagrams, BSE/TSE-free declarations, Non-GMO verification, and full allergen statements.
Direct answers to core queries raised by procurement teams, regulatory compliance managers, and master formulators:
Both are tetracyclic quinolizidine alkaloids structurally based on the lupin alkaloid skeleton. Oxymatrine (C15H24N2O2) is the N-oxide derivative of Matrine (C15H24N2O). Analytically, Oxymatrine possesses higher aqueous solubility and polarity, exhibiting distinct retention times under reverse-phase C18 HPLC chromatography. Under strong thermal or acidic processing, Oxymatrine can partially reduce to Matrine, necessitating careful temperature governance during manufacturing.
Wholesale quotes are tiered based on batch assay concentration (e.g., crude 10:1 extract vs. 98% pure isolated crystal), overall order volume, and packaging mode. Standard export Incoterms include FOB Shanghai/Qingdao, CIF principal international ports, and door-to-door DDP air/sea freight. Formal quotes remain valid for 30 calendar days to accommodate raw biomass seasonality.
Yes. Standard Ku Shen crude extracts possess an amber to dark brown hue that can discolor pale cosmetic emulsions. We utilize targeted activated carbon and secondary macroporous adsorption technology to deliver a pale-yellow to off-white Sophora extract powder or clarified liquid suitable for premium skincare formulations without degrading the active Kurarinone fraction.
For standardized active ingredients (such as 98% Matrine or 98% Oxymatrine), our pilot MOQ starts at 1 kg for formulation trials, with commercial freight drums starting at 25 kg. In-stock inventory typically dispatches within 3 to 5 business days following PO confirmation. Customized solvent extractions or custom micronized batches carry an average production lead time of 10 to 14 business days.
Every shipment is supplied with a comprehensive batch Certificate of Analysis (COA) containing exact HPLC chromatograms, heavy metals via ICP-MS, residual solvent analysis (USP <467>), and microbiological enumeration. We also provide full 16-section GHS Safety Data Sheets (SDS), technical data sheets (TDS), allergen declarations, and non-irradiation certificates.
Xi'an Le-Nutra's facility is ISO9001, ISO22000, and cGMP compliant, with products meeting Halal and Kosher verification standards. For agrochemical formulations, our technical Matrine conforms to regional bio-pesticide registration standards. For cosmetic applications, our extracts comply with the EU Cosmetic Regulation (EC) No 1223/2009 and US INCI nomenclature listings.
Complementary functional ingredients engineered for clean-science personal care, health supplements, and sports nutrition brands worldwide:
Connect directly with Xi'an Le-Nutra Ingredients Inc. for comprehensive technical dossiers, custom milling parameters, formulation support, and prompt volume price matrices for Sophora Flavescens Root Extract and high-purity active isolates.
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