کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8999866 | 1116230 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fumigant toxicity of the essential oils of some African plants against Anopheles gambiae sensu stricto
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
بیوشیمی بالینی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Fumigant toxicity of the essential oils of some African plants against Anopheles gambiae sensu stricto Fumigant toxicity of the essential oils of some African plants against Anopheles gambiae sensu stricto](/preview/png/8999866.png)
چکیده انگلیسی
The essential oils from 15 species of African plants selected by ethnobotanical considerations and field inspection (odour and presence of insects) were screened for fumigant toxicity to Anopheles gambiae s.s. in the laboratory. Essential oils from 6 species showed varying levels of toxicity, with Conyza newii (Compositae) and Plectranthus marruboides (Labiateae) being the most potent. Fifty compounds representing â¼74% of the essential oil of C. newii were identified by GC-MS and GC-coinjection (for available standards). The major and some of the minor constituents of the two oils were assayed at different doses. Two compounds, from C. newii, perillaldehyde and perillyl alcohol, exhibited higher fumigant toxicity (LD50=1.05Ã10â4 and 2.52Ã10â4 mg cmâ3, respectively) than the parent oil (2.0Ã10â3 mg cmâ3). GC-MS analysis of the essential oil of P. marruboides gave results similar to that previously reported. Interestingly, none of its components were active, suggesting that the insecticidal activity of the oil results from either some of the minor components or as a blend effect of some of the major constituents.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Phytomedicine - Volume 12, Issue 3, 22 March 2005, Pages 241-246
Journal: Phytomedicine - Volume 12, Issue 3, 22 March 2005, Pages 241-246
نویسندگان
M.O. Omolo, D. Okinyo, I.O. Ndiege, W. Lwande, A. Hassanali,