Bioactive components of the hop strobilus: Comparison of different extraction methods by capillary electrophoretic and chromatographic methods

被引：35
|
作者：
Helmja, Kati
Vaher, Merike
Puessa, Tonu
Kamsol, Kristjan
Orav, Anne
Kaijurand, Mihkel
机构：
[1] Tallinn Univ Technol, Fac Sci, Dept Chem, EE-12618 Tallinn, Estonia
[2] Estonian Univ Life Sci, Dept Food Hyg & Control, EE-51014 Tartu, Estonia
来源：
JOURNAL OF CHROMATOGRAPHY A | 2007年 / 1155卷 / 02期
关键词：
antioxidativity; bitter acids; capillary electrophoresis; flavonoids; hop; terpenes;
D O I：
10.1016/j.chroma.2006.12.067
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
In the present study, the composition of the hop strobilus extract by using different extraction methods under different solvent conditions was analysed and compared. Several separation methods were applied to obtaining detailed information about the hop extract: capillary zone electrophoresis (CZE), high-performance liquid chromatography-mass-spectrometry (HPLC-MS/MS) and gas chromatography-mass-spectrometry (GC-MS). The electropherograms of different extracts varied dramatically. The oxidation reaction of the hop strobilus extract was examined. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：222 / 229
页数：8
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