期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1008, 期 1, 页码 57-72出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(03)00964-6
关键词
vegetables; artichoke waste; Cynara scolimus; phenolic compounds; flavonoids
A new fast and efficient method combining liquid chromatography coupled to ionspray mass spectrometry in tandem mode with negative ion detection is described for the qualitative analysis of artichoke waste. Forty-five phenolic compounds were identified on the basis of their mass spectra in full scan mode, mass spectra in different MS-MS modes, and retention times compared with those of available reference substances. The major compounds were found to be both caffeoylquinic and dicaffeoylquinic acids, luteolin glucuronide, luteolin galactoside, quercetin, and some quercetin glycosides. (C) 2003 Elsevier B.V. All rights reserved.
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