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Title: Adulticidal activity against Stegomyia aegypti (Diptera: Culicidae) of three Piper spp.
Authors: Wej Choochote
Udom Chaithong
Kittichai Kamsuk
Eumporn Rattanachanpichai
Atchariya Jitpakdi
Pongsri Tippawangkosol
Dana Chaiyasit
Daruna Champakaew
Benjawan Tuetun
Benjawan Pitasawat
Keywords: Medicine
Issue Date: 1-Jan-2006
Abstract: Three Piper species, Piper longum, P. ribesoides and P. sarmentosum, were selected for investigation of adulticidal potential against Stegomyia aegypti, a main vector of dengue and dengue haemorrhagic fever. Successive extraction by maceration with 95% ethanol showed percentage yields of ethanolic extracts, which derived from P. longum, P. ribesoides and P. sarmentosum, of 8.89, 3.21 and 5.30% (w/w), respectively. All Piper extracts illustrated an impressive adulticidal activity when tested against female mosquitoes by topical application. The susceptibility of St. aegypti females to ethanol-extracted Piper was dose dependent and varied among the plant species. The highest adulticidal effect was established from P. sarmentosum, followed by P. ribesoides and P. longum, with LD50values of 0.14, 0.15 and 0.26 μg/female, respectively. The potential of these Piper species, as possible mosquitocides, established convincing activity for further researches to develop natural substances for combat against adult mosquitoes.
ISSN: 16789946
Appears in Collections:CMUL: Journal Articles

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