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In Vivo Evaluation of the Repellency Effects of Nanoemulsion of Mentha Piperita and Eucalyptus Globulus Essential Oils Against Mosquitoes Publisher



Mohammadi R1 ; Khoobdel M1 ; Talebi AA2 ; Negahban M3 ; Norani M4 ; Moradi M5 ; Dehghan O6
Authors
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Authors Affiliations
  1. 1. Health Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
  2. 2. Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran, 14115-336, Iran
  3. 3. Iranian Research Institute of Plant Protection, Tehran, Iran
  4. 4. Department of Horticultural Science, Tarbiat Modares University, Tehran, 14115-365, Iran
  5. 5. Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Medical Entomology and Vector Control, Health Science Research Center, Faculty of Health, Mazandaran University of Medical Science, Sari, Iran

Source: Open Biotechnology Journal Published:2020


Abstract

Introduction: The present study aimed to prepare Nanoemulsions of Mentha piperita and Eucalyptus globulus essential oils and comparison of the repellant activity of them with normal essential oils and DEET in the field conditions. Methods: To determine the protection and failure time of the essential oils and DEET in the field condition against natural population of night biting culicid mosquitoes, 4 human volunteers participated in night biting test. GC-MS was used to determine the essential oil components and the Dynamic Light Scattering device was used to measure droplet size and zeta potential. Results: The relative abundance of more common species captured in this study was 40.09% and 31.65% for Anopheles superpictus, and ulex pipiens, respectively. Based on the results, the protection time of nanoemulsions of M. piperita 50% against night biting mosquitoes was 4.96±0.21 h. Also, the protection for nanoemulsions essential oil 50% of E. globulus was 6.06±0.20 h. Comparison of the results showed that the protection time of nanoemulsions of M. piperita and E. globulus was significantly higher than of their normal essential oils (P˂0.01). Also, the protection time of DEET (as a gold standard) was significantly higher than of normal essential oil and nanoemulsions of M. piperita (P˂0.01), but there is no significant difference between DEET and nanoemulsions of E. globulus (P˃0.01). Conclusion: Due to the safety and biocompatibility of the nanoessential oils, and also relatively adequate and acceptable protection time, nanoemulsions of E. globulus and probably M. piperita can be considered as good repellents. It is recommended to do more research on these nanoemulsion repellents, as they may be good alternatives to DEET. © 2020 Mohammadi et al.
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