Polygonum Cuspidatum extract,Resveratrol

Resveratrol
Product name:Polygonum Cuspidatum extract(Resveratrol)
Another name:Polydatin;Resveratrol;Trans resveratrol.
Active ingredient:Resveratrol
Specification:10%,20%,50%,80%,95%,98%HPLC
CAS NO.501-36-0
Molecular formular:C14H1203
Molecular weight:228.25
Part use:Root and stem of Polygonum Cuspidatum
Appearance:
Brown powder(50%),White or off white powder(98%);odourless water insoluble,soluble in ethanol and acetone.Melting point:253-255℃,Sublimate in 261℃.
Applicable scope:food,medicine,health products,cosmetic.
Intruction:
The main components of the polygonum cuspidatum extract is a kind of polyphenols compound.It’s mainly come from the plant like grape(red wine),polygonum cuspidatum and mulberry and so on.Resveratrol is a kind of natural polyphenol what have a strong biological nature,It’s also called polydatin,the chemopreventive agents for tumour.At the same time,the resveratrol is the chemmopreventive agents for reduce platelet aggregation,prevent and treat atherosclerosis,cardiovascular or cerebrovas cular disease,too.
Resveratrol under natural conditions exist in free state and glycosidic two forms.The chemical structure of resveratrol and it’s glycosidic have Cis and Trans two isomers respeitively. They’re Cis-Res,Trans-Res,and Cis-PD,Trans-PD.The after two form of isomers will release resveratrol with the action of glycosidase what exist in intestinal,most of the resveratrol in plants are trans form.Resveratrol is a kind of natural antioxidants,it can reduce blood viscosity,stop blood platelets from clots,keep the blood flowing,to prevent the occurence or development of cancer.It also has a good protective effect against atherosclerosis,coronary heart disease,ischemic heart disease and hypertension.The role of inhibiting tumor also have the function of estrogen-like effect,it can be used to cure breast cancer.
Other constituents including Dan anthrone,physcionand rhein,All of them have the function of anti-inflammatory,cure osteoarthritis and antimicrobial activity.