With the adsorption and separation of AB-8 resin, the product was got with a content of 20.2%, nearly increased 5 times than that of Echinacea purpurea extract.

• 经AB 8树脂吸附分离 ,产品纯度达 2 0 2%25 ,纯度比紫锥菊初提物提高了近 5倍。