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Synergistic production of 20(S)-protopanaxadiol from protopanaxadiol-type ginsenosides by β-glycosidases from Dictyoglomus turgidum and Caldicellulosiruptor bescii

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Authors
Choi, Ji-Hyeon; Seo, Min-Ju; Shin, Kyung-Chul; Lee, Ki Won; Oh, Deok-Kun
Issue Date
2017-12-14
Publisher
Springer Open
Citation
AMB Express, 7(1):219
Keywords
α-l-Arabinopyranosidase activity20(S)-Protopanaxadiolβ-GlycosidaseDictyoglomus turgidumCaldicellulosiruptor bescii
Abstract
Abstract
20(S)-Protopanaxadiol (APPD) has potential uses in the pharmaceutical, cosmetic, and food industries because of its anti-stress, anti-fatigue, anti-cancer, anti-inflammatory, and anti-wrinkle properties. However, APPD production is difficult because β-glycosidases that convert the protopanaxadiol (PPD)-type ginsenoside compound K to APPD are rare. β-Glycosidase from Dictyoglomus turgidum (DT-bgl) has the highest specific activity for converting compound K to APPD, but exhibits no activity towards the α-l-arabinopyranoside moiety in compound Y. Therefore, β-glycosidase from Caldicellulosiruptor bescii (CB-bgl), which has a strong α-l-arabinopyranosidase activity, was used along with DT-bgl. The volumetric and specific productivities of the two-enzyme system for APPD using ginseng root extract were 38.4- and 38.7-fold higher, respectively, than those of β-glycosidase from Pyrococcus furiosus, which had the highest volumetric productivity previously reported, at the same enzyme and substrate concentrations. Thus, DT-bgl combined with CB-bgl completely converted PPD-type ginsenosides to APPD with the highest volumetric and specific productivities reported thus far.
ISSN
2191-0855
Language
English
URI
https://hdl.handle.net/10371/138454
DOI
https://doi.org/10.1186/s13568-017-0524-9
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College of Agriculture and Life Sciences (농업생명과학대학)Dept. of Agricultural Biotechnology (농생명공학부)Journal Papers (저널논문_농생명공학부)
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