Tannins from the leaves of Punica granatum

被引:81
作者
Hussein, SAM
Barakat, HH
Merfort, I
Nawwar, MAM
机构
[1] NATL RES CTR, CAIRO, EGYPT
[2] UNIV FREIBURG, INST PHARMAZEUT BIOL, D-49104 FREIBURG, GERMANY
关键词
Punica granatum; punicaceae; pomegranate; 1,2,4-trigalloylglucose; 1,3,4-trigalloylglucose; 1,4-digalloylglucose 3,6-hexahydroxydiphenylglucose; brevifolin carboxylic acid monopotassium sulphate; tannins; NMR;
D O I
10.1016/S0031-9422(96)00888-6
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Leaves of Punica granatum contain the new gallotannins, 1,2,4-tri-O-galloyl-beta-glucopyranose and 1,3,4-tri-O-galloyl-beta-glucopyranose together with the hitherto unknown ellagitannins, 1,4-di-O-galloyl-3,6-(R)-hexahydroxydiphenyl-beta-glucopyranose and brevifolin carboxylic acid 10-monopotassium sulphate. Structures were established by conventional methods of analysis and confirmed by H-1, C-13 NMR, 2D-chemical shift correlation NMR and ESI-MS (negative mode) spectrometric analysis. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:819 / 823
页数:5
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