Larvicidal and mosquito repellent action of peppermint (Mentha piperita) oil |
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| Institution: | 1. Malaria Research Centre, (Indian Council of Medical Research) 20, Madhuban, Delhi 110 092, India;2. Centre for Rural Development and Technology, Indian Institute of Technology, New Delhi 110 016, India;1. Defence Research Laboratory, Tezpur, Assam 784001, India;2. Department of Pharmaceutical Sciences, Dibrugarh University, Dibrugarh, Assam 786004, India;1. Federal University of Rio de Janeiro, Faculty of Pharmacy, Department of Medicines, Laboratório de Desenvolvimento Galênico (LADEG), Carlos Chagas Filho Avenue, Ilha do Fundão, Rio de Janeiro 21941-590, Brazil;2. Faculté de Pharmacie, d’Aix-Marseille Université, Marseille, France;1. Plant Production Technology Section, Faculty of Agricultural Technology, King Mongkut''s Institute of Technology Ladkrabang, Bangkok 10520, Thailand;2. Department of Entomology, US Army Medical Component, Armed Forces Research Institute of Medical Sciences, Bangkok 10400, Thailand;1. Research & Development Center of Biorational Pesticide, Northwest A&F University, Yangling, 712100, China;2. Shaanxi Research Center of Biopesticide Engineering & Technology, Northwest A & F University, Yangling, Shaanxi, 712100, China |
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| Abstract: | Oil of Mentha piperita L. (Peppermint oil), a widely used essential oil, was evaluated for larvicidal activity against different mosquito species: Aedes aegypti, Anopheles stephensi and Culex quinquefasciatus by exposing IIIrd instar larvae of mosquitoes in enamel trays 6 × 4 inch2 size filled to a depth of 3 inch with water. Of the three species tested Cx. quinquefasciatus was most susceptible followed by Ae. aegypti and An. stephensi. Application of oil at 3 ml/m2 of water surface area resulted in 100% mortality within 24 h for Cx. quinquefasciatus, 90% for Ae. aegypti and 85% for An. stephensi. For Ae. aegypti 100% mortality was achieved at 3 ml/m2 in 48 h or 4 ml/m2 in 24 h. For An. stephensi 100% mortality was observed at 4 ml/m2 in 72 h. The emergence at 3 ml/m2 was also inhibited to a great extent and the few adults which emerged did not ovipost even after taking a blood meal. The oil showed strong repellent action against adult mosquitoes when applied on human skin. Percent protection obtained against An. annularis, An. culicifacies, and Cx. quinquefasciatus was 100%, 92.3% and 84.5%, respectively. The repellent action of Mentha oil was comparable to that of Mylol oil consisting of dibutyl and dimethyl phthalates. |
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