Methods: The daidzein and genistein were adopted as indexes of orthogonal method to select the extraction of soybean isoflavone.

• 方法:以大豆异黄酮(大豆黄素、金雀异黄素)为指标,采用单因素试验设计与正交试验设计优选出大豆粉中大豆异黄酮的提取工艺。