The present invention relates to a method and an application for producing a milk seed oil extract, especially a flavonol lignan preparation having an increased release rate and improved water absorption, and particularly to the treatment and prevention of liver diseases.본 발명은 밀크씨슬 열매 추출물, 특히 방출률이 증가되고 흡수성이 개선된 플라바노리그난 제제 제조방법 및 용도, 특히 간질환 치료 및 예방에 관한 것이다.