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Insecticidal activity of Curcuma longa L. against Culex pipiens and Aedes albopictus
Jun-Won Prak,Dae-Hyun Yoo,Hyun Kyung Kim,Hyun-Na Koo,Gil-Hah Kim 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.04
The insecticidal activities of materials derived from the rhizomes of turmeric, Curcuma longa L., against third instar larva of Culex pipiens and Aedes albopictus were evaluated using a direct contact mortality bioassay. Curcuma longa L. hexane extraction showed 100% larvicidal activity both two mosquitoes species at 1,000 ppm after treated 24 h. Purification of the biologically active constituents from the hexane extraction with larvicidal activity was done using silica gel column chromatography. H1 fraction gave 100% mortality to C. pipiens and A. albopictus at 100 ppm. H12 fraction was determined 100% and 87.8% larvicidal activity to C. pipiens and A. albopictus at 50 ppm, respectively. H12 fraction was analyzed as the sesquiterpene, ar-turmerone (C15H20O) and turmerone(C15H22O) by GC and GC-MS.