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Enzymatic reduction of shogaol: A novel biotransformation pathway for the α,β-unsaturated ketone system

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Authors
Surh, Young-Joon; Lee, SS
Issue Date
1992-06
Citation
Biochemistry International, Vol.27 No.1, pp.179-187
Abstract
A novel reductive metabolism of 1-(4-hydroxy-3-methoxyphenyl)-deca-4-ene-3-one (shogaol), a pungent principle of ginger, was investigated in rat liver in vitro. Ethyl acetate-extractable metabolites of shogaol formed by incubation of this alpha,beta-unsaturated ketone with rat liver cytosolic fraction fortified with NADPH or NADPH-generating system were isolated, and two major metabolites were identified as 1-(4-hydroxy-3-methoxyphenyl)-decan-3-one (paradol) and 1-(4-hydroxy-3-methoxy)-decan-3-ol (reduced paradol). 1-(4-hydroxy-3-methoxyphenyl)-deca-1-ene-3-one (dehydroparadol), a non-pungent analog of shogaol, formed the same metabolites as did shogaol under similar incubation conditions. Paradol appears to be an intermediate in the reductive metabolism of the alpha,beta-unsaturated ketone moiety of shogaol to the corresponding saturated alcohol.
ISSN
0158-5231
URI
https://hdl.handle.net/10371/172627
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Graduate School of Convergence Science and Technology (융합과학기술대학원)Dept. of Molecular and Biopharmaceutical Sciences (분자의학 및 바이오제약학과)Journal Papers (저널논문_분자의학 및 바이오제약학과)
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