In this paper,taking the Lilium concolor as the study metarial(L davidii var.unicolor was used as control),mainly dealt with the antioxidant ability of flavonoids from L.concolor after purification by using D-101 macroporous resin,compared to the abilities of that from L.davidii var.unicolor.It was shown that approximately 4.06 mg/g of total flavonoids were contained in L.concolor,and were approximately 3.24 mg/g after purification,the total flavonoids of L davidii var.unicolor were 1.65 mg/g and 1.33 mg/g ...