Evaluación de la eficacia de los extractos naturales de Eucaliptus Globulus y Platycladus Orientalis como repelente natural contra mosquitos adultos de la especie Aedes Aegypti

Abstract

This research project focuses on the evaluation of the repellent effect of plants: Eucalyptus globulus (Eucalyptus) and Platycladus orientalis (Pino Book) on Aedes aegypti, vector of great importance in public health. The extraction method used by hot soxhlet equipment in use of the essential oils of the plants specified above. For determining the repellent effect bioassays were conducted with 10 volunteers, in order to identify the most effective repellent action, the protection time and comparison between ethanol extracts of Eucalyptus globulus and platycladus in concentrations of 0.2%, 0.4% and 0.6%, each volunteer was exposed to 50 female A. aegypti, the procedure was performed according to the guidelines for testing the efficacy and mosquito repellents on human skin of the World Health Organization (WHO) (WHO, 2009 ). The study demonstrated a repellent action against Aedes aegypti, at concentrations of 0.4% and 0.6% of Eucalyptus globulus and Platycladus orientalis with protection times of 2 hours for each extract.