LC/MS/MS characterization of phenolic constituents in dried plums

被引：302

作者：

Fang, NB ^{[1
]}

Yu, SG ^{[1
]}

Prior, RL ^{[1
]}

机构：

[1] Arkansas Childrens Nutr Ctr, Little Rock, AR 72202 USA

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2002年 / 50卷 / 12期

关键词：

dried plums; Prunus domestica; hydroxycinnamic acids; chlorogenic acid isomers; LC/MS/MS; MS diagnostic fragmentation pattern;

D O I：

10.1021/jf0201327

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Dried plums are known as a healthy food in the West and used as medicine in India. They have been characterized by high concentrations of phenolic compounds, which are believed to play a crucial role in protection against various age-related diseases. Liquid chromatography/mass spectrometry/mass spectrometry (LC/MS/MS) with four different conditions was used to analyze the phytochemicals in commercial dried plums. The major components were neochlorogenic acid and cryptochlorogenic acid. Forty minor components were characterized by their MS/MS spectra and LC retention time. Six of them are novel ester isomers formed by two caffeic acids and one quinic acid. The diagnostic fragmentation patterns of different phenolics are presented on the basis of electrospray ionization (ESI) MS/MS data of components in dried plums and fourteen authentic standards.

引用

页码：3579 / 3585

页数：7

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