期刊
PHYTOCHEMISTRY
卷 61, 期 8, 页码 971-974出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0031-9422(02)00435-1
关键词
Punica granatum; Punicaceae; heartwood; diellagic acid glycoside; 5-O-galloylpunicacortein D; NMR
In the course of studies on polyphenol metabolism in Punica granatum heartwood two new ellagitannins, diellagic acid rhamnosyl (1-->4) glucopyranoside and 5-O-galloylpunicacortein D were isolated and characterized together with four known tannin metabolites, punicacortein D, punicalin, punicalagin and 2-O-galloylpunicalin. Structures of the isolated compounds were established by chromatography, chemical degradation, UV and 1D/2D(1)H/C-13 NMR spectroscopy. (C) 2002 Elsevier Science Ltd. All rights reserved.
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