Polygonatum Extract Powder
Overview
Polygonatum Extract Powder is derived from the dried rhizome of Polygonatum sibiricum, a perennial herb native to East Asia. It has been used for centuries in traditional Chinese medicine (TCM) for its purported benefits in nourishing the kidneys, lungs, and spleen. Modern extraction techniques concentrate its bioactive compounds, including polysaccharides and saponins, making it a popular ingredient in health supplements and functional foods. The extract is valued for its adaptogenic properties, helping the body resist stressors. Its applications span pharmaceuticals, nutraceuticals, and cosmetics, driven by growing demand for natural and herbal remedies. B2B buyers should prioritize suppliers with transparent sourcing and lab-tested purity to ensure product efficacy and safety.
Physical and Chemical Properties
Polygonatum Extract Powder typically appears as a fine, hygroscopic powder with a light yellow to brown hue. Its solubility in water allows for easy formulation into beverages and liquid supplements, while its slight ethanol solubility makes it suitable for tinctures. The extract's polysaccharide content (often 30–50%) is a key marker of quality, contributing to its viscosity and bioactivity. Thermal stability varies by compound; polysaccharides degrade at temperatures above 60°C, requiring careful processing. The powder's bulk density ranges from 0.5 to 0.7 g/cm³, affecting packaging and dosing. Analytical methods like HPLC and UV spectroscopy are used to standardize potency, ensuring consistent performance in end products.
Main Applications
In TCM, Polygonatum Extract Powder is used to tonify qi and yin, often prescribed for fatigue, diabetes, and respiratory conditions. Modern applications include dietary supplements targeting immune support and anti-aging, leveraging its antioxidant and anti-inflammatory effects. Cosmetic formulations incorporate it for skin hydration and collagen synthesis. The nutraceutical industry blends the extract with other adaptogens like ginseng or astragalus for synergistic effects. Functional foods, such as energy bars and herbal teas, also incorporate it for its mild, slightly sweet flavor. B2B buyers should note regional regulations; for example, the EU requires Novel Food authorization for certain herbal extracts.
Safety and Storage
Polygonatum Extract Powder is non-toxic at recommended doses but may interact with hypoglycemic or diuretic medications. Allergic reactions are rare but possible. Suppliers must provide certificates of analysis (CoA) confirming the absence of heavy metals, pesticides, and aflatoxins. Proper storage is critical to preserve efficacy. The powder should be kept in airtight containers with desiccants, away from direct sunlight. Optimal conditions are below 25°C with relative humidity under 60%. Long-term stability studies suggest a shelf life of 2–3 years when stored correctly.
B2B Procurement Guide
When sourcing Polygonatum Extract Powder, prioritize suppliers with ISO or GMP certification to ensure quality control. Key purchase criteria include polysaccharide content (≥40% for premium grades), organic certification, and microbiological purity (total plate count <1,000 CFU/g). Request batch-specific CoAs and validate them through third-party testing if possible. Bulk purchases (100+ kg) often qualify for discounts of 10–20%. Consider logistics: the powder's hygroscopic nature demands moisture-proof packaging during transit. For international shipments, confirm compliance with destination-country regulations, such as FDA or EFSA standards.
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