Essential oil from Piper tuberculatum Jacq. (Piperaceae) and its majority compound β-caryophyllene: mechanism of larvicidal action against Aedes aegypti (Diptera: Culicidae) and selective toxicity
Environmental Science and Pollution Research, ISSN: 1614-7499, Vol: 31, Issue: 23, Page: 33454-33463
2024
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- 14Captures
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Article Description
Synthetic insecticides have been the primary approach in controlling Aedes aegypti; however, their indiscriminate use has led to the development of resistance and toxicity to non-target animals. In contrast, essential oils (EOs) are alternatives for vector control. This study investigated the mechanism of larvicidal action of the EO and β-caryophyllene from Piper tuberculatum against A. aegypti larvae, as well as evaluated the toxicity of both on non-target animals. The EO extracted from P. tuberculatum leaves was majority constituted of β-caryophyllene (54.8%). Both demonstrated larvicidal activity (LC of 48.61 and 57.20 ppm, p < 0.05), acetylcholinesterase inhibition (IC of 57.78 and 71.97 ppm), and an increase in the production of reactive oxygen and nitrogen species in larvae after exposure to the EO and β-caryophyllene. Furthermore, EO and β-caryophyllene demonstrate no toxicity to non-target animals Toxorhynchites haemorrhoidalis, Anisops bouvieri, and Diplonychus indicus (100% of survival rate), while the insecticide α-cypermethrin was highly toxic (100% of death). The results demonstrate that the EO from P. tuberculatum and β-caryophyllene are important larvicidal agents.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85191689243&origin=inward; http://dx.doi.org/10.1007/s11356-024-33416-5; http://www.ncbi.nlm.nih.gov/pubmed/38684608; https://link.springer.com/10.1007/s11356-024-33416-5; https://dx.doi.org/10.1007/s11356-024-33416-5; https://link.springer.com/article/10.1007/s11356-024-33416-5
Springer Science and Business Media LLC
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