Overview
Schisandrin is a lignan isolated from Schisandra chinensis, a plant revered in traditional Chinese medicine for its adaptogenic effects. It is one of the primary active constituents responsible for the plant's hepatoprotective and neuroprotective benefits. Modern research highlights its role in mitigating oxidative stress and inflammation, making it valuable in formulations targeting liver health, cognitive function, and anti-aging. Its dual solubility (organic solvents and limited water) allows versatile application in both lipophilic and hydrophilic delivery systems.
Physical and Chemical Properties
Schisandrin crystallizes as a white powder with a melting point around 115-118°C. Its molecular structure includes dibenzocyclooctadiene rings, contributing to its stability and bioactivity. The compound exhibits strong UV absorption, necessitating light-protected storage. Its solubility profile favors ethanol and dimethyl sulfoxide (DMSO), though nano-emulsion technologies can enhance its aqueous dispersion for pharmaceutical use.
Main Applications
In pharmaceuticals, schisandrin is incorporated into liver tonics and detoxification supplements due to its ability to upregulate glutathione synthesis. It is also studied for potential anti-cancer adjuvant therapy. The nutraceutical industry utilizes it in stress-relief and energy-boosting formulations. Cosmetic applications leverage its antioxidant properties to prevent skin aging, often in serums and creams at concentrations of 0.1-2%.
Safety and Storage
Schisandrin is non-toxic at typical dosages (up to 500 mg/day in adults) but may interact with cytochrome P450 enzymes. Proper storage requires airtight containers with desiccants to prevent hygroscopic degradation. Workplace handling should follow standard PPE protocols (gloves, masks) to avoid inhalation of fine particles, though it is not classified as a hazardous substance under GHS.
B2B Procurement Guide
Bulk buyers should prioritize suppliers providing third-party Certificates of Analysis (CoA) verifying purity (≥98% by HPLC) and residual solvent levels. Organic or wild-harvested sourcing may command premium pricing. MOQs typically start at 1 kg, with lead times of 2-4 weeks for custom purification. Consider partnering with GMP-certified manufacturers for pharmaceutical-grade material to ensure regulatory compliance.
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