Basic info● Name : Reynoutria japonica Houtt extract?● Other name： Polygonum cuspidatum?● Source：Polygonum cuspidatum root?● Latin name：Reynoutria japonica Houtt● Ingredient： Resveratrol● Specfication ： 50%98%Resveratrol?● Test methods：HPLC/UV● CAS No.：501-36-0??● Molecular Formula：C14H12O3?● Molecular Weight：228.24?● Appearance： brown yellow powder to white powderWhat is?Resveratrol (3,Website:http://www.extract-supplier.com,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 or fungi.[5] Food sources of resveratrol include the skin of grapes, blueberries, raspberries, and mulberries.[6] As of 2015, there is limited evidence of health effects in humans.Resveratrol is a phenolic compound that has been found to have strong antioxidant activity. Resveratrol has been shown to reduce......url:http://www.extract-supplier.com