ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): J. P. Noudogbessi, P. Sessou, V. D. Wotto, G. Figueredo, P. Chalard, J. C. Chalchat, K. Dansou, D. C. K. Sohounhloué

Email(s): ksohoun@bj.refer.org

DOI: Not Available

Address: J. P. Noudogbessi1, P. Sessou1, V. D. Wotto1, G. Figueredo2, P. Chalard3, J. C. Chalchat4, K. Dansou5, D. C. K. Sohounhloué1
1Laboratoire d’Etude et de Recherche en Chimie appliquée (LERCA), Ecole Polytechnique d’Abomey-Calavi, Université d’Abomey-Calavi 01 BP 2009 Cotonou, Rép. du Bénin
2Laboratoire d’Analyse des Extraits Végétaux et des Arômes (LEXVA Analytique) 460 Rue du Montant, 63110 Beaumont France
3Ecole Nationale Supérieure de Chimie, Université Blaise Pascal, Clermont-Ferrand, Campus des Cézeaux, 63177 Aubière cedex, France
4Laboratoire de Chimie des Huiles Essentielles, Université Blaise-Pascal, Clermont-Ferrand II, Campus des Cézeaux, 63177 Aubière cedex, France
5Département de Production Végétale
Faculté des Sciences Agronomiques /Université d’Abomey- Calavi
01 BP 526 Cotonou Rép. du Bénin
*Corresponding Author

Published In:   Volume - 5,      Issue - 12,     Year - 2012


ABSTRACT:
Essential oils extracted by hydrodistillation of Tephrosia vogelii (Hook. f.) And Tephrosia densiflora (Hook. f.) leaves harvested in Benin were analyzed by GC/MS. The essential oil of T. vogelii contains 33 to 38 compounds representing 91.6 to 99.5% of the weight of this volatile extracts. 28 to 36 compounds corresponding respectively at 86.0 to 99.8% of the weight of T. densiflora leaves essential oil were identified. The major compounds (> 3%) identified and recorded independently of the studied variety are ß-caryophyllene (4.6 - 45.0%), germacrene-B (13.3 - 18.0%), (E)-nerolidol (8.1 - 20.7%), elemol (5.9 - 13.0%), 14-hydroxy-9-epi-(E)-caryophyllene (9.8 - 11.5%), humulene epoxide II (5.4 - 10.8%), phytol (4.3 - 9.3%), a-humulene (3.4 - 9.2%), carotol (3.2 - 7.2%), %), guaïa-3,10(14)-dien-11-ol (7.0%), (Z)-ß-farnesene (6.9%), cadalene (6.8%), epi-a-bisabolol (3.8 - 6.0%), germacrene-D (4.7 - 5.8%), a-bisabolol (5.3%), selina-3,7(11)-diene (5.2%), caryophyllene oxide (4.5 - 5.2%), 14-hydroxy-a-humulene (4.2 - 5.1%), (6S, 7R)-bisabolone (4.0 - 4.8%), ß-acoradiene (4.7%), epi-cedrol (4.1%), epoxide-allo-aroamdendrene (4.1%), ?-muurolene (3.7%), a-acorenol (3.7%), ß-farnesene (3.6%), a-muurolol (3.2%), cis-calamenene (3.1%), a-cadinol (3.1%). The doses of each of these essential oils tested on C. maculatus at temperatures between 22°C and 31°C and a relative humidity of 80% are 0, 5, 10, 15 and 20µL/mL. Both essential oils, through their chemical constituents, have different effects (insecticidal, larvicidal and ovicidal) on C. maculatus (Fabricius) adults living on seeds of cowpea (Vigna unguiculata L. Walp.) of local variety "Chawe." In this occasion, the damage caused by C. maculatus and its larvae were evaluated by calculating the percentage of seeds attacked (A) and weight loss of these (B).


Cite this article:
J. P. Noudogbessi, P. Sessou, V. D. Wotto, G. Figueredo, P. Chalard, J. C. Chalchat, K. Dansou, D. C. K. Sohounhloué. Chemical Compositions and Preventive Activity of Essential Oils Extracted from the Leaves of two varieties of Tephrosia (Leguminosae-papilionoideae) collected in Benin on Callosobruchus maculatus (Fabricius). Asian J. Research Chem. 5(12): Dec., 2012; Page 1431-1436.


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DOI: 10.5958/0974-4150 

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