ZHANG Tao, HUANG Zhe, LIN Zhanglin. Hydrolysis of soybean isoflavone by immobilized β-glucosidase in a two phase system[J]. CIESC Journal, 2008, (2): 387-392.
ZHANG Tao, HUANG Zhe, LIN Zhanglin. Hydrolysis of soybean isoflavone by immobilized β-glucosidase in a two phase system[J]. CIESC Journal, 2008, (2): 387-392.DOI:
β-Glucosidase was immobilized on chitosan beads by cross-linking with glutaraldehyde
and was characterized.The optimum pH and temperature were 5 and 40℃
respectively.Soybean isoflavone was hydrolyzed in a two-phase system containing ethyl acetate and aqueous solution (pH=5).In this system,immobilized enzyme was more stable compared to free enzyme
and faster reaction rates and higher yields were obtained compared to the corresponding aqueous solution.The yields of the two main hydrolysis products (daidzein and genistein) of soybean isoflavone were both around 70%.