Chemical Composition of Essential Oils of Released Black Cumin Varieties Grown in Ethiopia

S. Abera
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引用次数: 2

Abstract

In Ethiopia black cumin seed and oil are used in folk medicine, as a bread flavoring and as a spices. The essential oil of black cumin seeds were extracted by hydro-distillation with Clevenger apparatus and the constituents of the three varieties were identified using GC/MS. The essential oil content of black cumin seeds were 0.80%, 0.4% and 0.6% for Eden, Dershy and Silengo respectively. The GC/MS results showed that seventy five, sixty six and sixty constituents were identified which constituting 99.98%, 99.27% and 99.17% in Eden, Dershy and Silengo. The main constituents of Ethiopian black cumin verities seeds essential oil as detected by GC/MS ware   p-cymene (45.85 - 44.31% ), α-thujen (17.30 - 12.57%), trans-4-methoxy thujane (8.86 - 7.39%), 9,12-Octadecanoic acid, 9Z,Z)- (6.04% - 0.07%),  β-pinene (4.08 - 3.04%), α- pinene (3.94 -2.68%), gamma-terpinene (3.83 - 2.50%), thymoquinone (3.53 - 2.13%), α-terpinene (3.00 – 0.00%), D-limonene (2.29 - 2.08%), phenol-2-methyl-5-(1-methylethyl) (2.56 -1.52%),  cis-vaccenic acid (2.46 - 0.00%), longifolene (1.95 - 1.83%), the results confirms that main compounds are  similar and variation in content to  each varieties. The Ethiopian black cumin essential oil contain the required major secondary metabolite for pharmacological and other application. Keywords : Black cumin, Ethiopia, Essential oil, p-cymene,spices DOI: 10.7176/CMR/12-2-02 Publication date: February 29 th 2020
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埃塞俄比亚种植的释放黑孜然品种精油的化学成分
在埃塞俄比亚,黑孜然种子和油被用于民间医药,作为面包的调味品和香料。采用Clevenger装置提取黑孜然种子精油,并采用GC/MS对3个品种进行成分鉴定。Eden、Dershy和Silengo黑孜然种子精油含量分别为0.80%、0.4%和0.6%。GC/MS分析结果显示,Eden、Dershy和Silengo分别鉴定出75、66和60种成分,分别占其含量的99.98%、99.27%和99.17%。气相色谱/质谱联用法检测到的黑孜然籽精油主要成分为:对伞花素(45.85 ~ 44.31%)、α-苏仁(17.30 ~ 12.57%)、反式-4-甲氧基苏简(8.86 ~ 7.39%)、9,12-十八烷酸、9Z、Z)-(6.04% ~ 0.07%)、β-蒎烯(4.08 ~ 3.04%)、α-蒎烯(3.94 ~ 2.68%)、γ -松蒎烯(3.83 ~ 2.50%)、百里醌(3.53 ~ 2.13%)、α-松蒎烯(3.00 ~ 0.00%)、d -柠檬烯(2.29 ~ 2.08%)、苯酚-2-甲基-5-(1-甲基乙基)(2.56 ~ 1.52%)、顺式-异丙酸(2.46 ~ 0.00%)、长叶烯(1.95 ~ 1.83%),结果证实各品种主要成分相似,且含量存在差异。埃塞俄比亚黑孜然精油含有药理学和其他应用所需的主要次级代谢物。关键词:黑孜然,埃塞俄比亚,精油,对花香烃,香料DOI: 10.7176/CMR/12-2-02出版日期:2020年2月29日
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