Identifying citrus limonoid aglycones by HPLC-EI/MS and HPLC-APCI/MS techniques

被引：29

作者：

Manners, GD ^{[1
]}

Breksa, AP ^{[1
]}

机构：

[1] USDA ARS, Western Reg Res Ctr, Albany, CA 94710 USA

来源：

PHYTOCHEMICAL ANALYSIS | 2004年 / 15卷 / 06期

关键词：

HPLC-MS; limonoids; Citrus spp;

D O I：

10.1002/pca.790

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

HPLC coupled with normal phase electron ionisation (EI) and atmospheric pressure chemical ionisation (APCI)/ mass spectrometry methods has been applied to identify 17 known neutral limonoid aglycones from Citrus sources. The HPLC-MS data from the known limonoids provided chromatographic characteristics, APCI-derived molecular weight data and El fragmentation data for each limonoid. El fragmentation patterns for the limonoids were correlated with structural characteristics. The El fragmentation patterns coupled with APCI-derived molecular weights were utilised as a potential method by which to discern the structural character of unknown citrus limonoids. Copyright (C) 2004 John Wiley Sons, Ltd.

引用

页码：372 / 381

页数：10

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