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Caffeoyl arbutin and related compounds from the buds of Vaccinium dunalianum


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Title: Caffeoyl arbutin and related compounds from the buds of Vaccinium dunalianum
Authors: Zhao, Ping / Tanaka, Takashi / Hirabayashi, Keisuke / Zhang, Ying-Jun / Yang, Chong-Ren / Kouno, Isao
Issue Date: Dec-2008
Publisher: Elsevier BV
Citation: Phytochemistry, 69(18), pp.3087-3094; 2008
Abstract: Dunalianosides A-I (1-9), esters of arbutin and related phenolic glucosides, were isolated from the buds of Vaccinium dunalianum Wight (Ericaceae) together with 20 known compounds, and their structures were established on the basis of 1- and 2D NMR spectroscopic evidence. Dunalianosides F-H were dimers of p-hydroxyphenyl 6-O-trans-caffeoyl-beta-d-glucopyranoside (10). The latter was obtained in extraordinary high yield (22% of dry weight), and dunalianoside I (9) was found to be a conjugate of arbutin with an iridoid glucoside.
Keywords: Vaccinium dunalianum / Ericaceae / Caffeoyl arbutin / Dunalianoside / p-Hydroxyphenyl 6-O-trans-caffeoyl-β-D-glucopyranoside
URI: http://hdl.handle.net/10069/20054
ISSN: 00319422
DOI: 10.1016/j.phytochem.2008.06.001
PubMed ID: 18639307
Rights: © 2008 Elsevier Ltd All rights reserved
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/20054

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