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Sci. Pharm. 2012, 80(2), 469-474; doi:10.3797/scipharm.1112-23

A New Isoflavone Glycoside from Dalbergia vacciniifolia (Fabaceae)

Institute of Traditional Medicine, Muhimbili University of Health and Allied Sciences, P.O. Box 65001, Dar es Salaam, Tanzania
Received: 31 December 2011 / Accepted: 27 February 2012 / Published: 27 February 2012
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Abstract

5,5'-Dihydroxy-2',4'-dimethoxy-7-[(6-O-β-D-apiofuranosyl-β-D-glucopyranosyl)-oxy]isoflavone (1) was isolated as the major constituent of Dalbergia vacciniifolia root bark ethanol extract together with the four known compounds 5,7-dihydroxy-2',4',5'-trimethoxyisoflavone (3), 5,7-dihydroxy-2',4'-dimethoxy-isoflavone (4), 5-hydroxy-2',4',7-trimethoxyisoflavone (5) and 7-hydroxy-2',4',5'-trimethoxyisoflavone (6). Identification of compounds was achieved through extensive analysis of 1D and 2D NMR and MS spectroscopy.
Keywords: Fabaceae; Dalbergia vacciniifolia; Apioglucoside; Isoflavone Fabaceae; Dalbergia vacciniifolia; Apioglucoside; Isoflavone
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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INNOCENT, E. A New Isoflavone Glycoside from Dalbergia vacciniifolia (Fabaceae). Sci. Pharm. 2012, 80, 469-474.

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