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A malonylated anthocyanin and flavonols in blue Meconopsis flowers
M Tanaka1, T Fujimori, I Uchida
1Applied Plant Research Laboratory, Yokohama Center, Japan Tobacco Inc.
Phytochemistry
|March 16, 2001
Abstract:
The structures of the major anthocyanin and two flavonols from the blue flowers of Meconopsis were identified by NMR spectroscopy as being cyanidin 3-O-[(6-O-malonyl-2-O-B-D-xylopyranosyl)-beta-D-glucopyranoside]-7-O-beta-D-glucopyranoside, kaempferol 3-O-(6-O-beta-D-glucopyranosyl)-beta-D-glucopyranoside and kaempferol 3-O-(6-O-beta-D-glucopyranosyl)-beta-D-galactopyranoside respectively.