Overview
Ononin is a naturally occurring isoflavone glycoside derived primarily from the roots of Astragalus membranaceus and Ononis spinosa. As a phytoestrogen, it has garnered attention for its structural similarity to human estrogens and its potential to modulate hormonal activity. Historically used in Traditional Chinese Medicine (TCM) and European herbalism, it is now commercially extracted for its bioactive properties. Modern extraction techniques, such as ethanol reflux or supercritical CO2, ensure high yield and purity. Its applications span pharmaceuticals (e.g., hormone therapy adjuvants), nutraceuticals (e.g., menopause support), and cosmetics (e.g., anti-aging serums), driving demand in B2B markets.
Physical and Chemical Properties
Ononin is characterized by its crystalline powder form and stability under controlled conditions. Its molecular structure includes a glucose moiety attached to formononetin, enhancing its solubility in organic solvents compared to aglycone isoflavones. The compound exhibits UV absorption maxima at 260 nm and 310 nm, useful for analytical quantification. Thermogravimetric analysis indicates decomposition above 300ยฐC. Its poor water solubility necessitates formulation strategies like nanoemulsions or cyclodextrin complexes for bioavailability improvement. Spectroscopic methods (NMR, MS) are standard for identity confirmation in quality control.
Main Applications
In pharmaceuticals, ononin serves as an intermediate for synthesizing estrogen receptor modulators. It is under research for osteoporosis prevention and cardiovascular protection due to its vasodilatory effects. Nutraceutical manufacturers incorporate it into capsules or powders targeting womenโs health, often combined with other isoflavones like daidzein. The cosmetic industry utilizes ononin in topical formulations for its antioxidant and collagen-stimulating effects. B2B buyers should note its synergy with hyaluronic acid or peptides in anti-aging products. Emerging applications include functional foods and veterinary supplements.
Safety and Storage
Ononin is generally regarded as safe (GRAS) when used in approved concentrations. Acute toxicity studies in rodents show an LD50 >2000 mg/kg. However, excessive intake may interact with hormone-sensitive conditions; regulatory compliance (e.g., EFSA, FDA) must be confirmed for target markets. Proper storage in amber glass containers with desiccants prevents degradation. Suppliers should provide stability data (e.g., 24-month shelf life at 25ยฐC/60% RH). Transport requires cool, dry conditions to avoid clumping or potency loss.
B2B Procurement Guide
Buyers should prioritize suppliers with ISO 9001 certification and batch-specific Certificates of Analysis (CoA). Key parameters include purity (โฅ95% by HPLC), residual solvents (<500 ppm ethanol), and heavy metals (e.g., <10 ppm lead). Bulk purchases (25+ kg) often attract 10-15% discounts. Sample testing for bioactivity (e.g., ER-binding assays) is recommended. Sustainable sourcing from cultivated Astragalus ensures supply chain transparency, while spot-market prices fluctuate with seasonal raw material availability.
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