Chemical composition and repellent potential of essential oil from Croton tetradenius (Euphorbiaceae) leaves against Aedes aegypti (Diptera: Culicidae)

Sousa, Daniel Lobo; Xavier, Erlon Oliveira; Cruz, Rômulo Carlos Dantas da; Souza, Ivone Antônia de; Oliveira, Rosilene Aparecida de; Silva, Débora Cardoso da; Gualberto, Simone Andrade; Freitas, Janaína Silva de

doi:10.1016/j.bcab.2022.102549

Biocatalysis and Agricultural Biotechnology

2023

DOI: 10.1016/j.bcab.2022.102549

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Chemical composition and repellent potential of essential oil from Croton tetradenius (Euphorbiaceae) leaves against Aedes aegypti (Diptera: Culicidae)

Daniel Lobo Sousa

Erlon Oliveira Xavier²,

Rômulo Carlos Dantas da Cruz³

et al.

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Cited by 3 publications

References 38 publications

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Nornicotine‐Typed Insecticides: The Potential Insecticides with Strong Activity Against Aedes Albopictus

Cao,

Deng,

Zhang

et al. 2024

ChemistrySelect

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Aedes albopictus, the main vector of dengue, yellow fever, chikungunya, and Zika, has caused significant public health concerns, but there are still few effective insecticides. Nicotine and nornicotine‐typed compounds are well‐known for their potential as an insecticide, which has potential activity against Ae. albopictus. Here we report the effects of nornicotine‐typed insecticide against larvae of Ae. albopictus. We developed a novel synthetic strategy for nicotine and nornicotine‐typed compounds. Novel compounds A1‐A8 and B1‐B26 were synthesized by the synthesized nornicotine. And bioassays indicated that most of these compounds exhibited good effects against larvae of Ae. albopictus, and compounds A3, B4, B20, and B26 had excellent activity against Ae. albopictus, and they were not toxic to humans according to other reports. After considering the cost, compounds B4, B20, and B26 could be potential lead compounds against Ae. albopictus and other Aedes mosquitoes.

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Nornicotine‐Typed Insecticides: The Potential Insecticides with Strong Activity Against Aedes Albopictus

Cao,

Deng,

Zhang

et al. 2024

ChemistrySelect

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Effect of Croton tetradenius essential oil on larval viability, pupal viability, and wing geometric morphometrics of Aedes aegypti

Silva

Santos

Cruz

et al. 2023

Biocatalysis and Agricultural Biotechnology

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Effective Mosquito Repellents: Myrcene- and Cymene-Loaded Nanohydrogels against Aedes aegypti

Duarte,

Di Filippo,

Ribeiro

et al. 2024

Pharmaceutics

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Aedes mosquito-borne diseases remain a significant global health threat, necessitating effective control strategies. This study introduces monoterpenes-based nanohydrogels for potential use as repellents against Aedes aegypti, the primary dengue vector worldwide. We formulated hydrogels using cymene- and myrcene-based nanoemulsions with different polymers: chitosan, carboxymethylcellulose (CMC), and carbopol®. Our evaluations of rheological, texture, and bioadhesive properties identified CMC hydrogel as the most promising gelling agent for topical application, exhibiting sustained monoterpene release over 12 h with low skin permeation and high retention in the stratum corneum. Myrcene-loaded CMC hydrogel achieved a 57% feeding deterrence compared to 47% with cymene hydrogel in the mosquito membrane-feeding model. Molecular docking studies revealed interactions between myrcene and an essential amino acid (Ile116) in the Ae. aegypti odorant-binding protein 22 (AeOBP22), corroborating its higher repellent efficacy. These findings suggest that myrcene-loaded CMC hydrogels offer a promising, minimally invasive strategy for personal protection against Ae. aegypti and warrant further investigation to optimize monoterpene concentrations for vector control.

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Chemical composition and repellent potential of essential oil from Croton tetradenius (Euphorbiaceae) leaves against Aedes aegypti (Diptera: Culicidae)

Cited by 3 publications

References 38 publications

Nornicotine‐Typed Insecticides: The Potential Insecticides with Strong Activity Against Aedes Albopictus

Nornicotine‐Typed Insecticides: The Potential Insecticides with Strong Activity Against Aedes Albopictus

Effect of Croton tetradenius essential oil on larval viability, pupal viability, and wing geometric morphometrics of Aedes aegypti

Effective Mosquito Repellents: Myrcene- and Cymene-Loaded Nanohydrogels against Aedes aegypti

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