Overview
Viola Yedoensis Powder is derived from the dried whole plant of Viola yedoensis Makino, a perennial herb native to East Asia. This botanical extract has been used in Traditional Chinese Medicine (TCM) for centuries, primarily for its cooling and detoxifying properties. The powder is produced through careful harvesting, drying, and milling processes to preserve its active compounds. Modern phytochemical studies have identified multiple bioactive components in Viola Yedoensis Powder, including violanthin, rutin, and various polyphenols. These compounds contribute to its therapeutic effects, making it valuable for both traditional remedies and contemporary nutraceutical applications. Industrial buyers typically source this powder in bulk for formulation into capsules, ointments, or liquid extracts.
Physical and Chemical Properties
The powder exhibits characteristic physicochemical properties that determine its quality and applications. Organoleptically, high-quality material should have a uniform brownish-green color, slight herbal odor, and slightly bitter taste. Particle size typically ranges between 80-200 mesh for most commercial grades. Key chemical markers include total flavonoid content (usually 2-5% by weight) and saponin concentration. The powder shows moderate hygroscopicity, requiring careful packaging to prevent clumping. Its pH in aqueous solution is weakly acidic (pH 5.5-6.5). Chromatographic fingerprint analysis is commonly used for quality verification against reference standards.
Main Applications
In pharmaceutical applications, the powder is incorporated into formulas for treating inflammatory conditions, particularly in dermatological preparations for eczema, acne, and skin infections. Its antimicrobial activity against Staphylococcus aureus and other pathogens makes it valuable for topical antiseptic formulations. The nutraceutical industry utilizes Viola Yedoensis Powder in immune-support supplements, often combined with other herbs like honeysuckle or dandelion. Cosmetic manufacturers employ it in anti-aging serums and clarifying masks due to its antioxidant content. Recent research explores its potential in veterinary medicine for poultry and livestock health management.
Safety and Storage
While generally safe, proper handling and storage are crucial to maintain efficacy. The powder should be protected from direct sunlight and high humidity to prevent degradation of active compounds. Commercial storage typically uses double-layer aluminum foil bags with desiccants. Safety data indicates low acute toxicity (LD50 >5000 mg/kg in rodent studies), but excessive consumption may cause gastrointestinal discomfort. Topical use requires patch testing for sensitive individuals. Current Good Manufacturing Practice (cGMP) standards should be followed during processing to ensure absence of heavy metals and microbial contamination.
B2B Procurement Guide
Professional buyers should prioritize suppliers who provide comprehensive documentation, including Certificate of Analysis (COA) with HPLC fingerprints, pesticide residue reports, and heavy metal testing results. Pharmaceutical-grade material requires additional GMP certification and stability studies. Minimum order quantities (MOQs) typically range from 25-100 kg for standard grades, with lead times of 2-4 weeks post-order. Payment terms commonly involve 30-50% deposit with balance before shipment. For international shipments, ensure proper CITES documentation if containing wild-sourced material, though cultivated varieties are increasingly available.
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