柴胡是我国历代常用中药,按性状不同分别为“北柴胡”和“南柴胡”。中医认为具有“和解表里、舒肝利胆和升阳”等功效。其主要生理活性成分是柴胡皂甙(Ｓａｉｋｏｓａｐｏｎｉｎｓ,ＳＳ),根据化学结构不同分为柴胡皂甙ａ、ｂ、ｃ和ｄ等数种,以柴胡皂甙ｄ(ＳＳｄ)药理活性作用 Bupleurum is a commonly used traditional Chinese medicine in the history of the country. According to different characters, it is “North Bupleurum” and “South Bupleurum”. Chinese medicine is considered to have such functions as “reconciliation of the surface, liver and gallbladder, and rising sun”. Its main physiologically active ingredient is Saikosaponins (SS), which are divided into saikosaponins a, b, c, and d according to their chemical structures, and their pharmacological activities are related to saikosaponin d (SSd).