Resveratrol,occurring in trans-and cis-isomeric forms,is a phytoalexin with pharmacological activities,for example,anti-cancer,anti-cardiovascular disease,and life-span increasing properties.

• 白藜芦醇可以顺式和反式两种形式存在。它是一种具有药理活性的植物抗毒素,具有抗肿瘤、保护心血管、防止机体老化的功效。