The high purification soy isoflavone aglycone was extracted from low purification soy isoflavone product by acid hydrolysis,ultrasound-assisted acid hydrolysis and enzyme hydrolysis.

• 以低纯度商品大豆异黄酮为原料,利用酸水解法、超声波辅助酸水解法及酶水解法制备高纯度大豆异黄酮甙元产品。