Process of preparation of hydroalcoholic extract of neem leaves (Azadirachta indica A. Juss) with ovicidal and larvicidal action on Aedes aegypti

摘要

The process of preparing and applying insecticidal compounds obtained from the hydroalcoholic extract of donim leaves (azadirachta indica a. juss) for the elimination of aedes aegypti eggs and larvae. "The present invention relates to the process of preparing and applying insecticidal compounds obtained from the hydroalcoholic extract of neem leaves (azadirachta indica a. juss) for the elimination of aedes aegypti eggs and larvae, the extract was obtained from neem leaves submitted to the 70% ethanol extraction process (v / (v) The alcohol was removed by evaporation at low pressure, the extract obtained diluted in water by 10 to 90% to obtain the insecticidal compounds, the insecticidal compounds should be applied at the infestation site of eggs and larvae. aedes aegypti mosquito, the insecticide compound obtained in the proportion of 25% of the extract eliminated 100% of the eggs and 76% of the larvae of aedes aegypti. The invention is a viable insecticide that is easy to handle and can be marketed and used in the future for aedes aegypti control campaigns to eliminate the circulating dengue virus.