Definition: A type of glycoside widely distributed in plants. Each consists of a sapogenin as the aglycone moiety, and a sugar. The sapogenin may be a steroid or a triterpene and the sugar may be glucose, galactose, a pentose, or a methylpentose.
saikosaponin [ saikosaponin A,saikosaponins,saikosaponin B,saikosaponin B1,saikosaponin B2,saikosaponin B3,saikosaponin B4,saikosaponin C,saikosaponin D,saikosaponin K,saikosaponin L ] RN given refers to saikosaponin D; structure for saikosaponins A,B1,B2,B3,B4,C,D,F given in first source