期刊
PHYTOCHEMISTRY
卷 69, 期 8, 页码 1763-1766出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2008.02.021
关键词
Asparagus officinalis; Asparagaceae; HPLC; HR-FT-ICR MS; MALDI-TOF MS; NMR; cyanidin 3-[3 ''-(O-beta-D-glucopyranosyl)-6 ''-(O-alpha-L-rhamnopyranosyl)-O-beta-D-glucopyranoside]; anthocyanin
Two major anthocyanins (A1 and A2) were isolated from peels of the spears of Asparagus officinalis cv. Purple Passion. They were purified by column, paper and high-performance liquid chromatographic separations, and their structures were elucidated by high-resolution Fourier transform ion cyclotron resonance mass spectrometry (HR-FT-ICR MS), (1)H, (13)C and two-dimensional NMR spectroscopic analyses and either acid or alkaline hydrolysis, respectively. A1 was identified as cyanidin 3-[3 ''-(O-beta-D-glucopyranosyl)-6 ''-(O-alpha-L-rhamnopyranosyl)-O-beta-D-glucopyranoside], whereas A2 was cyanidin 3-rutinoside, which is widely distributed in higher plants. Oxygen radical absorbance capacity (ORAC) assays proved their high antioxidant activities. (C) 2008 Elsevier Ltd. All rights reserved.
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