Electrophysiological, behavioural and biochemical effect of Ocimum basilicum oil and its constituents methyl chavicol and linalool on Musca domestica L.

Senthoorraja, R. and Subaharan, K. and Sowmya, M. and Pragadheesh, V. S. and Bakthavatsalam, N. and Mohan, M. G. and Senthil-Nathan, S. and Basavarajappa, S. (2021) Electrophysiological, behavioural and biochemical effect of Ocimum basilicum oil and its constituents methyl chavicol and linalool on Musca domestica L. Environmental Science and Pollution Research, 28 (36). pp. 50565-50578.

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Abstract

Ocimum basilicum essential oil (EO) was evaluated for its biological effects on M. domestica. Characterization of O. basilicum EO revealed the presence of methyl chavicol (70.93%), linalool (9.34%), epi-alpha-cadinol (3.69 %), methyl eugenol (2.48%), gamma-cadinene (1.67%), 1,8-cineole (1.30%) and (E)-beta-ocimene (1.11%). The basil EO and its constituents methyl chavicol and linalool elicited a neuronal response in female adults of M. domestica. Adult female flies showed reduced preference to food source laced with basil EO and methyl chavicol. Substrates treated with EO and methyl chavicol at 0.25% resulted in an oviposition deterrence of over 80%. A large ovicidal effect was found for O. basilicum EO (EC50 9.74 mg/dm(3)) followed by methyl chavicol (EC50 10.67 mg/dm(3)) and linalool (EC50 13.57 mg/dm(3)). Adults exposed to EO (LD50 10.01 mu g/adult) were more susceptible to contact toxicity than to methyl chavicol and linalool (LD50 13.62 mu g/adult and LD50 43.12 mu g/adult respectively). EO and its constituents methyl chavicol and linalool also induced the detoxifying enzymes Carboxyl esterase (Car E) and Glutathione S - transferases (GST).

Item Type: Article
Uncontrolled Keywords: Basil oil; Secondary metabolites; Housefly; Electrophysiology; Detoxifying enzymes; Ovipositional deterrence
Subjects: B Life Science > Zoology
Divisions: Department of > Zoology
Depositing User: Mr Umendra uom
Date Deposited: 07 Mar 2022 05:05
Last Modified: 16 Jun 2022 11:25
URI: http://eprints.uni-mysore.ac.in/id/eprint/17263

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