Polyphenols displaying tyrosinase inhibition from the seed of Psoralea corylifolia

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Title
Polyphenols displaying tyrosinase inhibition from the seed of Psoralea corylifolia
Author(s)
J Y Kim; K Y Oh; J Y Kim; Hyung Won RyuTae Sook Jeong; K H Park
Bibliographic Citation
Journal of Korean Society for Applied Biological Chemistry, vol. 53, no. 4, pp. 427-432
Publication Year
2010
Abstract
Three chalcones and two flavanones displaying tyrosinase inhibitory activity were isolated from the seed of Psoralea corylifolia, a cultivated edible plant. The isolated compounds were elucidated as known isovabachalcone, 4'-O-methylbavachalcone, isobavachromene, corylifolin, and bavachinin. The inhibitory potencies of the polyphenols toward monophenolase activity of mushroom tyrosinase were investigated. The inhibitory concentration (IC50) values of compounds 1-5 for monophenolase activity were determined to be 12.3, 48.8, 15.8, 23.6, and 143.9 μM, respectively. The potent inhibitors 1-4 exhibited the competitive inhibition characteristics in analysis of Lineweaver-Burks and Dixon-plot.
Keyword
MonophenolaseMushroom tyrosinasePrenylated chalconePsoralea corylifoliaReferences
ISSN
I000-0171
Publisher
Springer
DOI
http://dx.doi.org/10.3839/jksabc.2010.066
Type
Article
Appears in Collections:
Ochang Branch Institute > Natural Medicine Research Center > 1. Journal Articles
Division of Biomaterials Research > Industrial Bio-materials Research Center > 1. Journal Articles
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