期刊
PHYTOCHEMISTRY
卷 71, 期 13, 页码 1558-1563出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2010.05.025
关键词
Synadenium grantii; African milk bush; Anthocyanins; Apiose; beta-apiofuranosyl-beta-xylopyranoside; 2D NMR; High resolution electrospray MS
资金
- Carnegie Cooperation of New York
Four anthocyanins, cyanidin 3-O-(2 ''-(5'''-(E-p-coumaroyl)-beta-apiofuranosyl)-beta-xylopyranoside)-5-O-beta-glucopyranoside, cyanidin 3-O-(2 ''-(5'''-(E-p-coumaroyl)-beta-apiofuranosyl)-beta-xylopyranoside), cyanidin 3-O-(2 ''-(5'''-(E-caffeoyl)-beta-apiofuranosyl)-beta-xylopyranoside) and cyanidin 3-O-(2 ''-(5'''-(E-feroyl)-(beta-apiofuranosyl)-beta-xylopyranoside) were isolated from leaves of African milk bush, (Synadenium grantii Hook, Euphorbiaceae) together with the known cyanidin 3-O-beta-xylopyranoside-5-O-beta-glucopyranoside and cyanidin 3-O-beta-xyloside. The four former pigments are the first reported anthocyanins containing the monosaccharide apiose, and the three 5'''-cinnamoyl derivative-2 ''-(p-apiosyl)-beta-xyloside subunits have previously not been reported for any compound. (C) 2010 Elsevier Ltd. All rights reserved.
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