Insecticidal properties of essential oils against Tribolium castaneum (Herbst) and their inhibitory effects on acetylcholinesterase and adenosine triphosphatases

Essential oils from 20 Egyptian plants were obtained by using hydrodistillation. The chemical composition of the isolated oils was identified by gas chromatograph/mass spectrometer. Fumigant and contact toxicities of the essential oils were evaluated against the adults of Tribolium castaneum . In fu...

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Bibliographic Details
Published in:Natural product research 2016-03, Vol.30 (6), p.710-714
Main Authors: Abou-Taleb, Hamdy K, Mohamed, Magdy I.E, Shawir, Mohamed S, Abdelgaleil, Samir A.M
Format: Article
Language:English
Subjects:
acetylcholinesterase
Acetylcholinesterase - metabolism
adenosine triphosphatases
Adenosine Triphosphatases - antagonists & inhibitors
adenosinetriphosphatase
adults
air
Animals
Artemisia - chemistry
Artemisia monosperma
chemical composition
Cholinesterase Inhibitors - chemistry
Cholinesterase Inhibitors - isolation & purification
contact toxicity
Tribolium castaneum
Cupressus macrocarpa
essential oils
fumigant toxicity
fumigants
Fumigation
gas chromatography
Gas Chromatography-Mass Spectrometry
hydrodistillation
inhibitory concentration 50
insecticidal properties
Insecticides - chemistry
larvae
oils
Oils, Volatile - chemistry
Origanum - chemistry
Origanum vulgare
spectrometers
toxic substances
toxicity
Tribolium
Tribolium castaneum
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Summary:Essential oils from 20 Egyptian plants were obtained by using hydrodistillation. The chemical composition of the isolated oils was identified by gas chromatograph/mass spectrometer. Fumigant and contact toxicities of the essential oils were evaluated against the adults of Tribolium castaneum . In fumigation assays, the oil of Origanum vulgare (LC ₅₀ = 9.97 mg/L air) displayed the highest toxicity towards the adults of T. castaneum . In contact assays, the oils of Artemisia monosperma (LC ₅₀ = 0.07 mg/cm ²) and O. vulgare (LC ₅₀ = 0.07 mg/cm ²) were the most potent toxicants against the adults of T. castaneum . Biochemical studies showed that the tested oils caused pronounced inhibition of acetylcholinesterase (AChE) and adenosine triphosphatases (ATPases) isolated from the larvae of T. castaneum . The oil Cupressus macrocarpa (IC ₅₀ = 12.3 mg/L) was the most potent inhibitor of AChE, while the oil of Calistemon viminals (IC ₅₀ = 4.4 mg/L) was the most potent inhibitor of ATPases.
ISSN:1478-6427
1478-6419
1478-6427
DOI:10.1080/14786419.2015.1038999