Method of separating and refining soybean isoflavone from soybean dregs

Application Number: 00120879
Application Date: 2000.08.04
Publication Number: 1284503
Publication Date: 2001.02.21
Priority Information:
International: C07D311/36
Applicant(s) Name: Qinghua Univ.
Address:
Inventor(s) Name: Zhang Rongqing;Wang Hongzhong;Xie Liping
Patent Agency Code: 11201
Patent Agent: luo wenqun
Abstract Soybean dregs are first crushed and extracted through three-stage counter flow extraction by using edible alcohol as extractant; the extract is concentrated through reduced pressure distillation process and purified and refined through a chromatography; and the refined extract is finally reduced pressure concentrated, dried and crushed to obtain the soybean isoflavone product. The processes of the present invention are simple in operation, has no special requirement in production equipment and high economic utility, and is suitable for use in industrial production.