Resveratrol 50% 98%

Origin: Polygonum cuspidatum Resveratrol 50% Resveratrol 98% Origin: Vitis vinifera L. Used part: skin, vine and stem Resveratrol 2% 5% 10% Description Intruduction: The Polyphenol Resveratrol (3,5,4'-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced naturally by several plants in response to injury or when the plant is under attack by pathogens such as bacteria orfungi. Food sources of resveratrol include the skin of grapes, blueberries, raspberries, and mulberries.