Influence of pH on essential oil composition of Zanthoxylum rhetsa seeds obtained by steam distillation

被引：7
|
作者：
Shafi, PM [1 ]
Jose, B
Radhamani, KT
Clery, RA
机构：
[1] Univ Calicut, Dept Chem, Calicut 673635, Kerala, India
[2] Quest Int, Ashford TN24 OLT, Kent, England
来源：
FLAVOUR AND FRAGRANCE JOURNAL | 2006年 / 21卷 / 02期
关键词：
Zanthoxylum rhetsa; extraction method; essential oil; sabinene; terpinene; terpinolene; limonene; steam distillation; pH variation;
D O I：
10.1002/ffj.1598
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Effect of extraction methods on the composition of Z. rhetsa seed essential oil was examined. The steam-distilled essential oil from the seeds of Z. rhetsa, obtained under three different conditions were analysed by GC and GC-MS, resulting in the identification of 43 constituents. Sabinene (66.74% and 72.7%), beta-pinene (6.47% and 6.59%), a-pinene (6.08% and 6.08%) and myreene (1.48% and 1.6%) were the major components obtained from aqueous and alkaline media, respectively, while a-terpinene (23.68%), gamma-terpinene (23.06%), terpinolene (5.66%) and limonene (4.67%) were the main components from acid medium. Copyright (c) 2005 John Wiley & Sons, Ltd.
引用
收藏
页码：317 / 318
页数：2
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