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Comparative Larvicidal Activity of Essential Oils from Three Medicinal Plants against Aedes aegypti L.
Author(s) -
Freitas Flávia P.,
Freitas Silvério P.,
Lemos Gloria C. S.,
Vieira Ivo J. C.,
Gravina Geraldo A.,
Lemos Francisco J. A.
Publication year - 2010
Publication title -
chemistry and biodiversity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.427
H-Index - 70
eISSN - 1612-1880
pISSN - 1612-1872
DOI - 10.1002/cbdv.200900260
Subject(s) - aedes aegypti , chemistry , traditional medicine , essential oil , botany , biology , larva , food science , medicine
This work aimed at comparing larvicidal activity of essential oils extracted from the dried leaves of Alpinia speciosa, Cymbopogon citratus , and Rosmarinus officinalis against Ae. aegypti larvae. The larvae were observed for 4 h and at 24 h according to a completely randomized design with three replications and the following concentrations [μl/ml]: 0.25, 0.5, 1.0, 1.5, 2.0, 2.5, and controls were distilled water, and commercial standard citral, camphor, eucalyptol, α ‐pinene, and β ‐myrcene. The essential oil of C. citratus had the lowest LC 50 (0.28) and LC 90 (0.56) values, followed by that of A. speciosa (0.94 and 1.2, resp.) and of R. officinalis (1.18 and 1.67, resp.), and only the commercial standards citral and α ‐pinene were larvicidal.