... China such as Jiangsu, Jiangxi, Fujian, Shandong, Henan, Shanxi, Sichuan,and other places.[Harvest time]Spring and Autumn.[Active ingredient]Resveratrol ... 3,By competing with coenzyme Q in organisms,resveratrol can reduce the formation of complex III,which ... grade,microencapsulated grade,water-soluble grade, acety-resveratrol and tablet grade resveratrol (3)Chinese GMP, America NSF-GMP, ISO9001 ...