Basic Information：
English name：Resveratrol
Latin name：Polygonum cuspidatum
CAS mark：501-36-0
Molecular formula：C14H12O3
Molecular weight：228.24
MDL mark：MFCD00133799
Melting point： 261 - 263°C
Physicochemical property：
Colorless needle crystal, soluble in ether, chloroform, methanol, ethanol, acetone, etc
Physical properties: resveratrol tasteless, white crystals (methanol); Poorly soluble in water, soluble in ethanol, acetone and other organic solvents. 253-255 ℃, melting point 253 ℃ sublimation.
Analytical method：
Using C18 column, with acetonitrile: water (volume ratio 30：:70) solution as mobile phase, detection with ultraviolet detector at 306 nm. Results showed that the concentration of resveratrol in 10 ~ 250 mu g/mL, the concentration had good linear relationship with the peak area (r = 0.9999); Standard addition recovery is 9.25% ~ 9.25%; The lowest concentration of 0.6 mg/g. Can adjust the flow rate at the same time in the production of measuring knotweed glycosides and enzymolysis of resveratrol
Pharmacological action：
Resveratrol is a kind of natural antioxidants that may reduce the blood viscosity, inhibit platelet coagulation and vasodilation, keep the blood flowing, can prevent the occurrence of cancer and development of resistance to atherosclerosis and coronary heart disease, ischemic heart disease, hyperlipidemia prevention role. The role of inhibiting tumor, also have estrogen-like effect, can be used to treat diseases such as breast cancer.
Microorganism：
(Total bacteria amount)：1000CFU/g Max
(Yeast & Mold amount )：100CFU/g Max
(E.Coli)： Nil
(Salmonella) ： Nil
Packing and storage：
1. The outer packing cardboard barrels
2. 25kg/fiber can as the outer packing or packed according to client’s requirement.
3. Stored in a dry and shady place, avoid sunlight and high temperature.
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