Overview
Guyangteng extract is obtained from the dried roots of Cynanchum paniculatum (Bunge) Kitag. ex H.Hara, a perennial herb native to East Asia. This botanical has been used in Traditional Chinese Medicine (TCM) for centuries, primarily for its purported anti-rheumatic and pain-relieving properties. The modern extract is produced through solvent extraction methods, typically using ethanol or water-ethanol mixtures to concentrate the bioactive compounds. The resulting product contains multiple pharmacologically active components including cynancholide (a steroidal lactone) and paeonol (a phenolic compound), which contribute to its therapeutic effects.
Physical and Chemical Properties
The extract typically appears as a fine hygroscopic powder ranging from light yellow to brown in color, depending on the extraction method and concentration. It has a characteristic aromatic odor and slightly bitter taste. Key chemical markers include cynancholide (typically 0.5-2% in standardized extracts) and paeonol (0.1-0.5%). The extract shows good solubility in polar solvents but may form suspensions at higher concentrations. Its stability is affected by light and temperature, requiring proper storage conditions to maintain potency.
Main Applications
In pharmaceutical applications, Guyangteng extract is incorporated into formulations targeting inflammatory conditions such as arthritis and rheumatism. Its analgesic properties make it valuable in pain management supplements. The nutraceutical industry utilizes it in joint health formulas, often combined with other botanicals like turmeric or boswellia. Some cosmetic applications include anti-inflammatory skincare products. In TCM practice, it remains a component of compound prescriptions for wind-damp obstruction syndrome.
Safety and Storage
While generally considered safe, excessive consumption may lead to gastrointestinal discomfort. The recommended daily intake typically ranges from 100-300 mg of standardized extract. Proper storage requires airtight containers with desiccants to prevent moisture absorption. Refrigeration extends shelf life but isn't mandatory for short-term storage. Products should be protected from direct sunlight to prevent degradation of light-sensitive compounds. Typical shelf life is 24 months when stored correctly.
B2B Procurement Guide
When sourcing Guyangteng extract, prioritize suppliers who provide third-party testing certificates including HPLC analysis for active compound quantification. Organic certification (USDA, EU) may be required for certain markets. Consider extraction ratios (typically 4:1 to 10:1) based on application needs. For bulk purchases (100kg+), negotiate testing protocols for each batch. Delivery terms should specify temperature-controlled transport for premium-grade extracts. Payment terms commonly range from 30% deposit with 70% on delivery for new suppliers.
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