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Original Articles

Tyrosinase Inhibitory Activity of Ethanol Extracts from Medicinal and Edible Plants Cultivated in Okinawa and Identification of a Water-Soluble Inhibitor from the Leaves of Nandina domestica

, , , , , & show all
Pages 2316-2320 | Received 25 Apr 2007, Accepted 11 Jun 2007, Published online: 22 May 2014
 

Abstract

The tyrosinase inhibitory activity of the extracts of 53 parts of 36 plant species cultivated for edible and medicinal use in Okinawa was investigated. The extract of Nandina domestica showed potent activity among these. The inhibitor in the extract was purified by assay-guided fractionation to give a simple phenol glucoside. Although it was a known compound (4-β-D-glucopyranosyloxybenzoic acid), its inhibitory activity toward tyrosinase is revealed for the first time in this work.

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