Chemical composition and larvicidal activities of essential oil of cinnamomum camphora (L.) leaf against anopheles stephensi

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Abstract

Introduction: Anopheles stephensi is the main malaria vector in Southeast Asia. Recently, plant-sourced larvicides are attracting great interests. Methods: The essential oil was extracted from the leaf of Cinnamomum camphora (L.), and a bioassay was conducted to determine the larvicidal efficacy. The chemical composition of the essential oil was determined by GC-MS analysis. Results: The oil showed strong, dose-dependent larvicidal activities. The onset of larvicidal efficiency was rapid. The LC50 and LC95 were determined as 0.146% and 1.057% at 1 h, 0.031% and 0.237% at 12 h, 0.026% and 0.128% at 24 h, respectively. The oil contains 32 compounds. Conclusions: The essential oil of C. camphora leaf has an excellent larvicidal potential for the control of A. stephensi.

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Xu, Y., Qin, J., Wang, P., Li, Q., Yu, S., Zhang, Y., & Wang, Y. (2020). Chemical composition and larvicidal activities of essential oil of cinnamomum camphora (L.) leaf against anopheles stephensi. Revista Da Sociedade Brasileira de Medicina Tropical, 53. https://doi.org/10.1590/0037-8682-0211-2019

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