Analysis of kavalactones from Piper methysticum (kava-kava)

被引:56
作者
Bilia, AR [1 ]
Scalise, L [1 ]
Bergonzi, MC [1 ]
Vincieri, FF [1 ]
机构
[1] Univ Florence, Dept Pharmaceut Sci, I-50019 Florence, Italy
来源
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES | 2004年 / 812卷 / 1-2期
关键词
Piper methysticum G. Forster; kavalactones;
D O I
10.1016/j.jchromb.2004.07.038
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The chemical analysis and quality control of both Piper methysticum G. Forster (kava-kava) and extracts obtained by aqueous acetone or aqueous methanol as well as supercritical fluid extraction are reviewed. In the last two decades various procedures concerning the separation and detection of kavalactones have been routinely carried out by gas chromatography (without previous derivatization of kavalactones) and high performance liquid chromatography but most of them are not validated or only partially validated. Recently, analyses by supercritical fluid chromatography and micellar electrokinetic chromatography have also been reported. Both gas chromatography and high performance liquid chromatography can be used for the analysis of kavalactones with some advantages and disadvantages for each method. Using gas chromatography analysis, methysticin and yangonin, which are two of the major components, are generally not separated. In addition, the high temperature of the injection port caused the decomposition of methysticin. Concerning high performance liquid chromatography analyses, the reversed-phase is generally better because highly reproducible with a very low detection limit for all compounds even if the quantitative analysis of the kavalactones by liquid chromatography needs to be carried out in the absence of light to prevent the cis/trans isomerisation of yangonin. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:203 / 214
页数:12
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