Saponin composition of common sugar glucose, galactose, rhamnose, arabinose, xylose and glucuronic acid, galacturonic acid, etc., are often associated with C3 Sapogenins-OH-bit connection into effect.

• 组成皂甙的糖常见的有葡萄糖、半乳糖、鼠李糖、阿拉伯糖、木糖及葡萄糖醛酸、半乳糖醛酸等，常与皂甙元C3位的-OH连接成甙。