Chemical Characterization and Larvicidal Activity of Essential Oil from Aniba duckei Kostermans against Aedes aegypti

Aedes aegypti mosquito is the major vector of zika, chikungunya, and dengue fever. These diseases incidence has been growing rapidly in many points of the globe in the past few years. And because there’s no vaccine for them yet, the best way to fight those diseases is to attack their vector, specially by eliminating potential sites for its oviposition and larvae growth. Nowadays, organophosphorus insecticides are used in increasing doses, which targets Aedes aegypti resistant populations. Aniba duckei Kostermans, which is known as rosewood and belongs to the Lauraceae family, is a species with trees up to 30 meters tall and 1 meter in trunk diameter. It’s essential oil is used in perfumery due to its high content of linalool. This research identified the components of essential oil from Aniba duckei Kostermans thin branches and leaves and then applied it as larvicide against Aedes aegypti, and its effects were measured by calculation of concentration at which half larvae die (LC50). Average yield found for oil by plant was 1.93% by mass. The major component in rosewood essential oil is linalool, whose concentration was found 89.34% by mass. LC50 for the essential oil was 250.61 (±2.20) μg mL -1 , for l-linalool, 279.89 (±2.12) μg mL -1 , and for dl-linalool was 346.73 (±2.14) μg mL -1 . Key-wordsEssential oil, Aniba duckei Kostermans, Linalool, Aedes aegypti, Larvicide INTRODUCTION The world has experienced a dengue incidence increase in the last 50 years. Recent studies estimate about 395 million cases of dengue hemorrhagic fever in 100 countries, of which 500 thousand are classified as dengue hemorrhagic fever/ dengue shock syndrome (DHF / DSS) [1] . Disease is caused by four serotypes of dengue virus, DENV-1, DENV-2, DENV-3 and DENV4 [2] . This is the most important arbovirosis worldwide with about 50 million infections per year [3] , and it can be asymptomatic or manifest many symptoms, from self-limited febrile illness to severe forms that may lead to death [4] . In terms of morbidity and mortality, dengue is nowadays considered the most important viral disease transmitted by mosquitoes, constituting a serious public health problem of urban centers from South & Central America, Access this article online Quick Response Code Website: