It was demonstrated on the use of ketone category compound and its feasible extracting process from swallow leaves and waste residue of sallowthorn oil, which could decrease environmental pollution with low cost and abundant available raw materials.

• 利用沙棘叶和沙棘油废渣提取黄酮类化合物,原料来源充足易得、本低,同时可以减少“三废”污染。