A non-therapeutic method of suppressing appetite in a human or animal comprises administering to the said human or animal a composition, for example a foodstuff or beverage, comprising an extract from a plant of the genus Trichocaulon or the genus Hoodia, which extract contains an effective amount of an appetite-suppressant steroidal glycoside from said plant, wherein the steroidal glycoside has the formula
一种抑制人或动物食欲的非治疗方法,包括向所述人或动物施用一种组合物,例如一种食品或饮料,该组合物包含来自毛果芸香属或茄属植物的
提取物,该
提取物包含有效量的来自所述植物的抑制食欲的甾体苷,其中所述甾体苷的式为