P.orientale L. is an annual herbs belonging to the family polygonum .The mature seeds of the p.orientale L. have been used in Chinese folk medicine for the treatment of stomach-ache, intumescene, inflammation,bad stomach digest. Scholars have taken the attention of the P.orientale L. since the twentieth century. But few chemical constituents and bioactivities of the Seeds of P.orentale L. have been reported. In order to research the chemical constituents and bioactivities of P.orientale L. We have studied t...