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Tyrosinase Inhibitor Activity of Coumarin-resveratrol Hybrids

Overview
Journal Molecules
Publisher MDPI
Specialty Biology
Date 2009 Jul 28
PMID 19633620
Citations 17
Authors
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Abstract

In the present work we report on the contribution of the coumarin moiety to tyrosinase inhibition. Coumarin-resveratrol hybrids 1-8 have been resynthesized to investigate the structure-activity relationships and the IC(50) values of these compounds were measured. The results showed that these compounds exhibited tyrosinase inhibitory activity. Compound 3-(3',4',5'-trihydroxyphenyl)-6,8-dihydroxycoumarin (8)is the most potentcompound (0.27 mM), more so than umbelliferone (0.42 mM), used as reference compound. The kinetic studies revealed that compound 8 caused non-competitive tyrosinase inhibition.

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