Composition and larvicidal activity of leaves and stem essential oils of Chloroxylon swietenia DC against Aedes aegypti and Anopheles stephensi

The laboratory bioassay of the essential oil and the isolated compounds from Chloroxylon swietenia against Aedes aegypti and Anopheles stephensi was carried out to evaluate the larvicidal activity. LC 50 value estimated for A. aegypti and An. stephensi were 16.5 and 14.9 μg/ml and 20.2 and 19 μg/ml...

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Veröffentlicht in:	Bioresource technology 2006-12, Vol.97 (18), p.2481-2484
Hauptverfasser:	Ravi Kiran, S., Bhavani, K., Sita Devi, P., Rajeswara Rao, B.R., Janardhan Reddy, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aedes - drug effects Aedes aegypti Animals Anopheles - drug effects Anopheles stephensi Biological and medical sciences Chloroxylon swietenia Culicidae Essential oil composition Fundamental and applied biological sciences. Psychology Insecticides - analysis Larva - drug effects Lethal Dose 50 Medically important nuisances and vectors, pests of stored products and materials: population survey and control Oils, Volatile - chemistry Oils, Volatile - pharmacology Plant Leaves - chemistry Plant Stems - chemistry Pregeijerene Rutaceae - chemistry Sesquiterpenes Sesquiterpenes - isolation & purification Swietenia
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Beschreibung
Zusammenfassung:	The laboratory bioassay of the essential oil and the isolated compounds from Chloroxylon swietenia against Aedes aegypti and Anopheles stephensi was carried out to evaluate the larvicidal activity. LC 50 value estimated for A. aegypti and An. stephensi were 16.5 and 14.9 μg/ml and 20.2 and 19 μg/ml for leaf and stem oils, respectively. The three sesquiterpenes pregeijerene, geijerene and germacrene D were isolated and their Larvicidal activity was evaluated. Pregeijerene and geijerene were observed for the first time in the volatile constituents of C. swietenia, however, leaves contained higher amount of geijerene compared to stems.
ISSN:	0960-8524 1873-2976
DOI:	10.1016/j.biortech.2005.10.003