Overview
Coix Seed Extract is derived from the seeds of Coix lacryma-jobi, a plant traditionally used in East Asian medicine. The extract contains bioactive compounds like polysaccharides, coixenolide, and fatty acids, which contribute to its therapeutic and cosmetic benefits. Modern applications leverage its anti-inflammatory and antioxidant properties, making it a popular ingredient in skincare and wellness products. In traditional Chinese medicine, it is used to promote diuresis, reduce edema, and enhance spleen health. Industrial extraction methods include water or ethanol-based processes, with standardized extracts often targeting specific active compounds for consistency in B2B applications.
Physical and Chemical Properties
Coix Seed Extract typically appears as a fine, hygroscopic powder with a light yellow to brown hue. Its solubility in water and ethanol allows for versatile formulation in liquid or solid products. The extract is stable under moderate temperatures but may degrade if exposed to prolonged heat or humidity. Key bioactive components include coixenolide (a unique fatty acid ester), polysaccharides (e.g., coixan), and amino acids. These compounds are responsible for its moisturizing, anti-aging, and skin-brightening effects. Analytical methods like HPLC are used to quantify active ingredients, ensuring quality control for industrial buyers.
Main Applications
In cosmetics, Coix Seed Extract is valued for its ability to inhibit melanin production, making it a key ingredient in whitening creams and serums. Its anti-inflammatory properties also suit acne-treatment formulations. Nutraceutical applications include dietary supplements aimed at immune support and metabolic health. The food industry incorporates it into functional beverages and health foods, often marketed for detoxification or digestion benefits. Pharmaceutical research explores its potential in adjuvant cancer therapy due to its polysaccharide content, though clinical evidence remains preliminary.
Safety and Storage
Coix Seed Extract is non-toxic and classified as GRAS for topical and oral use. However, suppliers should provide allergen certifications, as cross-contamination with gluten or other allergens is possible during processing. Proper storage in sealed containers prevents moisture absorption and microbial growth. Workers handling the powder should use PPE (e.g., masks) to avoid respiratory irritation. Regulatory compliance varies by region; for example, in the EU, cosmetic use must adhere to EC No 1223/2009, while FDA guidelines apply in the U.S. for food and supplement applications.
B2B Procurement Guide
Buyers should prioritize suppliers offering third-party lab reports verifying active ingredient concentrations (e.g., ≥10% polysaccharides). Bulk pricing often scales with order volume, but sample testing is recommended to confirm consistency. Ethanol-extracted variants may cost more but offer higher purity for sensitive formulations. Logistics considerations include temperature-controlled shipping for large orders to prevent degradation. MOQs (Minimum Order Quantities) typically range from 5–50 kg, with lead times of 2–4 weeks. Sustainable sourcing certifications (e.g., organic, non-GMO) add value for brands targeting eco-conscious markets.
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