Polygonum Cuspidatum Root Extract

Short Description:

It was extracted from the dry root of polygonum cuspidatum sieb.et.zucc, with brown yellow to off white powder, special smell and light taste. Active ingredients is resveratrol, it is a kind of non flavonoid polyphenol organic compound, which is an antitoxin produced by many plants when stimulated. Natural resveratrol has CIS and trans structures. In nature, it mainly exists in trans conformation. The two structures can combine with glucose to form CIS and trans resveratrol glycosides. CIS and trans resveratrol glycosides can release resveratrol under the action of glucosidase in intestine. Trans resveratrol can be converted to CIS isomer under UV irradiation.