期刊
JOURNAL OF CHROMATOGRAPHY A
卷 880, 期 1-2, 页码 203-232出版社
ELSEVIER
DOI: 10.1016/S0021-9673(00)00059-5
关键词
reviews; plant materials; phenolic compounds; flavonoids; saponins; alkaloids
It is necessary to determine all of the phytochemical constituents of botanical extracts in order to ensure the reliability and repeatability of pharmacological and clinical research, to understand their bioactivities and possible side effects of active compounds and to enhance product quality control. HPLC chromatographic fingerprints can be applied for this kind of documentation. Combined HPLC-diode array detection-MS techniques can provide on-line UV and MS information for each peak in a chromatogram. In most cases, di;ect identification of the peaks is possible, based on comparison with published data or with standard compounds. This review will primarily focus on electrospray and thermospray ionization MS and their applications for the qualitative analyses of phenolic compounds, saponins, alkaloids and other classes of natural products in botanical extracts. Twenty-one of the most commonly used herbal examples, their phytochemical analyses and characteristics of their mass spectra are described. (C) 2000 Elsevier Science BN. All rights reserved.
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