Brief Introduction

Resveratrol (trans-3,5,4'-trihydroxystilbene), belongs to a class of polyphenolic compounds called stilbenes , found largely in the skins of red grapes and root of Polygonum cuspidatum Sieb. et Zucc ( Japanese knotweed), is a component of Ko-jo-kon, an oriental medicine used to treat diseases of the blood vessels, heart and live.. Resveratrol is a fat-soluble compound that occurs in a trans and a cis configuration (see figure 1). Both cis- and trans-resveratrol also occur as glucosides (bound to a glucose molecule). Resveratrol-3-O-beta-glucoside is also called piceid.

Detailed Product Description

Product name: Grape skin extract

Appearance: Purple fine powder

Specification: Polyphenols 30%  Resveratrol: 5%

Packing &Storage Condition

Storage: Store in cool & dry place, Keep away from strong light and heat.

Shelf life: 24Months when properly stored.

Packing: 25/kg paper drum and two plastic-bags inside