Products Description
Technical Specifications
【Chinese Name】 虎杖提取物
【English Name】 Resveratrol (USP Grade)
【Latin Name】 Polygonum cuspidatum Sieb. et Zucc.
【Source Plant Part】 Root
【Active Compound】 trans-Resveratrol ≥98% (HPLC)
【Appearance】 White crystalline powder
【Molecular Formula】 C₁₄H₁₂O₃
【Molecular Weight】 228.25 g/mol
【Melting Point】 253-255°C
【Solubility】 Soluble in ethanol (50mg/ml), DMSO (30mg/ml)
Quality Standards
✓ Purity: ≥98% trans-isomer (HPLC-UV)
✓ Heavy Metals: ≤10ppm total
✓ Residual Solvents: Meets ICH Q3C Class 2
✓ Microbial Limits: Complies with USP <61>
✓ Optical Rotation: -105° to -115° (c=1, EtOH)
Stability Data
• Accelerated Stability: Stable at 40°C/75% RH for 6 months
• Photostability: Protected from UV light
• Long-term Storage: Recommended -20°C for extended shelf life
Clinical Applications
Anti-Aging Research:
• Activates SIRT1 (NAD+-dependent deacetylase)
• Extends lifespan in model organisms
Cardiometabolic Benefits:
• Improves endothelial function (10-100mg/day)
• Modulates lipid metabolism
Neuroprotection:
• Crosses BBB (oral bioavailability ~20%)
• Reduces β-amyloid aggregation
Packaging Options
Research Grade: 1kg aluminum foil bags
Bulk Quantity: 25kg fiber drums with desiccant
Sterile Vials: 100mg-1g for cell culture use
Regulatory Status
• USP Reference Standard Available
• Kosher/Halal Certified Options
• DSHEA Compliant (USA)
• Novel Food Approved (EU)
Note: For research use only. Not for direct human consumption without further processing.
For NMR spectra, MSDS, or clinical trial references, please contact our technical support. Custom purity grades (50%-99%) available.