The optimum determination method and extracting condition and antioxidant activity of flavonoids in fruit from Acanthopanax Sessiliflorus Seem were studied.

• 以无梗五加的果实为原料,采用乙醇回流法提取黄酮,采用烘箱法高温诱导猪油发生过氧化反应,以研究粗黄酮对油脂的抗氧化性。