Polygonum cuspidatum Sieb. et Zucc. is one of traditional Chinese medicines in common use with its radix and rhizome. It is a member of Polygonum Linn.. Abundant in natural resources, this species has wide distribution in China.
In this dissertation, studies on chemical constituents of the radix and rhizome of Polygonum cuspidatum are presented firstly. 17 compounds were isolated from the extraction of radix and rhizome. Among them, 14 compounds' structures were identified on the grou...