亚洲传统医药
亚洲传统医药

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›› 2010, Vol. 5 ›› Issue (2): 56-61.

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Chemical composition of the essential oils of Stevia rebaudiana Bertoni leaves

  

  • 收稿日期:2009-10-18 修回日期:2010-03-12 出版日期:2010-04-20 发布日期:2010-04-20

Chemical composition of the essential oils of Stevia rebaudiana Bertoni leaves

M. Amzad Hossain 1 *; A. B. Siddique 2; S.M. Mizanur Rahman 2; M. Amzad Hossain 3
  

  1. 1. Chemistry Division, Atomic Energy Centre, GPO Box. 164, Ramna, Dhaka-1000, Bangladesh; 2. Department of Chemistry, University of Dhaka, Dhaka-100, Bangladesh; 3. Bangladesh Sugarcane Research Institution, Ishurdi, Pabna, Bangladesh.
  • Received:2009-10-18 Revised:2010-03-12 Online:2010-04-20 Published:2010-04-20
  • Contact: M. Amzad Hossain

Abstract: The chemical composition of the hydrodistilled essential oils of Stevia rebaudiana Bertoni leaves, grown for the first time in an experimental field in Bangladesh, was analysed by GC–MS. Sixty two compounds representing 92.27 % of the total leaf oils were identified, of which α-cadinol (2.98 %), caryophyllene oxide (1.23 %), (-)-spathulenol (2.21 %) and β-Guaiene (0.32 %), were the major components. Thus, the monoterpenes and sesquiterpenes were the predominant constituents of the oils. The leaves contained some new essential oil compounds, such as ledene oxide-(ΙΙ), beta.-guaiene, geranyl vinyl ether, tricyclo [5.2.2.0 (1, 6)] undecan-3-ol, indole, aristolene epoxide, 1, 2, 3, 5, 6, 7, 8, 8a-octahydro-1, 4-dione and 2, 6, 6-trimethyl-2-cyclohexene-1, 4-dione identified for the first time.

Key words: Stevia rebaudiana Bertoni, hydrodistillation, essential oil composition, GC-MS analysis

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