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https://hdl.handle.net/10356/139897
Title: | Construction of a novel catalysis system for clean and efficient preparation of Baohuoside I from Icariin based on biphase enzymatic hydrolysis | Authors: | Shen, Yuping Wang, Haiyan Lu, Yi Xu, Lili Yin, Huawu Tam, James P. Yang, Huan Jia, Xiaobin |
Keywords: | Science::Biological sciences | Issue Date: | 2017 | Source: | Shen, Y., Wang, H., Lu, Y., Xu, L., Yin, H., Tam, J. P., . . . Jia, X. (2018). Construction of a novel catalysis system for clean and efficient preparation of Baohuoside I from Icariin based on biphase enzymatic hydrolysis. Journal of Cleaner Production, 170, 727-734. doi:10.1016/j.jclepro.2017.09.192 | Journal: | Journal of Cleaner Production | Abstract: | Baohuoside I has better in vivo bioactivities than Icariin. Its preparation methods, such as acid hydrolysis, are of low efficiency, with undesirable byproducts. The objective of this study was to establish a novel catalysis system for its clean and efficient preparation via biphase enzymatic hydrolysis. β-glucosidase was selected from five commercial enzymes due to the best catalysis performance. After optimization of conditions, a biphase system was constructed with EtOAc and HAc-NaAc buffer (pH 4.5) (5:1, v/v) containing Icariin/β-glucosidase (3.2:1, w/w), and hydrolysis was performed at 60 °C for 2 h. Consequently, the conversion rate of Icariin was 99.92 ± 0.11% (n = 3), and the processing capacity in the system was increased from 20 mg/mL to 50 mg/mL, 2.5 times that of conventional enzymatic hydrolysis, meanwhile the procedure was much simplified. Additionally, complete hydrolysis with conversion rate at 99.14% had been achieved after the enzyme solution was used twice. The newly proposed strategy is a clean and efficient approach for the preparation of Baohuoside I and also a promising technology for producing secondary glycosides or aglycones. | URI: | https://hdl.handle.net/10356/139897 | ISSN: | 0959-6526 | DOI: | 10.1016/j.jclepro.2017.09.192 | Rights: | © 2017 Elsevier Ltd. All rights reserved. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | SBS Journal Articles |
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