[Product Name] Sennosides [Testing Standard] Pharmacopeia Standards [Physical and Chemical Properties] Brownish yellow powder; slightly soluble in water [Product Profile] Sennosides is a diterpene derivative of the traditional Chinese medicine senna leaf. It is an effective part with relatively high content of senna leaf and is the main active ingredient of senna leaf for purgation and hemostasis. It is mainly derived from the leaves of the leguminous plant Cassia angustifolia Vahl. or the Cassia acutifolia Delile. Senna leaves are distributed in various provinces in southern China and are grown in Guangdong, Guangxi, Yunnan, Hunan, etc.