Separation and Identification of Flavonoids from Chinese Fringetree Flowers (Chionanthus retusa Lindl et Paxt)

doi:10.7506/spkx1002-6630-201401014

Abstract

Abstract:

Objective: To isolate and identify the chemical constituents from the flowers of Chinese Fringetree
(Chionanthus retusa Lindl et Paxt). Methods: The chemical constituents were isolated and purified by sequential
column chromatographies on silica gel, Sephadex LH-20 and semi-preparative HPLC, and their chemical structures were
elucidated by spectroscopic methods. Results: A total of ten compounds were obtained and they were chemically identified
as quercetin-3-methyl ether-7-O-α-L-arabinofranosyl(1→6)-β-D-glucopy–ranoside (1), eriodictyol-7-O-β-D-glucoside (2),
acacetin-7-O-α-L-rhamnopyranosyl (1→6)-β-D-glucopyranoside (3), myricetin-3-O-β-D-glucopyranoside (4), luteolin-7-
O-β-D-glucoside (5), kaempferol-3-O-β-D-glucoside (6), and luteolin (7), myricetin (8), apigenin (9), and quercetin (10),
respectively. Conclusions: The compounds 1 through 6 were identified for the first time in the flowers of this plant, which
have been reportedly to possess potent antioxidant capacity.

Key words: Chinese fringetree flower(Chionanthus retusa Lindl et Paxt), flavonoids, chemical constituents

CLC Number:

R284.1

DENG Rui-xue, ZHANG Chuang-feng, LIU Pu, DUAN Wen-lu, YIN Wei-ping*. Separation and Identification of Flavonoids from Chinese Fringetree Flowers (Chionanthus retusa Lindl et Paxt)[J]. FOOD SCIENCE, 2014, 35(1): 74-78.

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