Chemical Composition of the Essential Oil from Ruta chalepensis L. Growing Wild and its Acaricidal Activity Against the Cattle Tick Rhipicephalus annulatus (Acari: Ixodidae)
Youssef, A., Abdelgawad, A., Abdel-Ghany, H., Abdelshafy, S. (2024). Chemical Composition of the Essential Oil from Ruta chalepensis L. Growing Wild and its Acaricidal Activity Against the Cattle Tick Rhipicephalus annulatus (Acari: Ixodidae). EKB Journal Management System, 55(4), 955-964. doi: 10.21608/ejvs.2023.250314.1676
Abdelghany A. Youssef; Ahmed A.M. Abdelgawad; Hoda S.M. Abdel-Ghany; Sobhy Abdelshafy. "Chemical Composition of the Essential Oil from Ruta chalepensis L. Growing Wild and its Acaricidal Activity Against the Cattle Tick Rhipicephalus annulatus (Acari: Ixodidae)". EKB Journal Management System, 55, 4, 2024, 955-964. doi: 10.21608/ejvs.2023.250314.1676
Youssef, A., Abdelgawad, A., Abdel-Ghany, H., Abdelshafy, S. (2024). 'Chemical Composition of the Essential Oil from Ruta chalepensis L. Growing Wild and its Acaricidal Activity Against the Cattle Tick Rhipicephalus annulatus (Acari: Ixodidae)', EKB Journal Management System, 55(4), pp. 955-964. doi: 10.21608/ejvs.2023.250314.1676
Youssef, A., Abdelgawad, A., Abdel-Ghany, H., Abdelshafy, S. Chemical Composition of the Essential Oil from Ruta chalepensis L. Growing Wild and its Acaricidal Activity Against the Cattle Tick Rhipicephalus annulatus (Acari: Ixodidae). EKB Journal Management System, 2024; 55(4): 955-964. doi: 10.21608/ejvs.2023.250314.1676

Chemical Composition of the Essential Oil from Ruta chalepensis L. Growing Wild and its Acaricidal Activity Against the Cattle Tick Rhipicephalus annulatus (Acari: Ixodidae)

Egyptian Journal of Veterinary Sciences
Volume 55, Issue 4, July and August 2024, Pages 955-964    PDF (947.83 K)
Document Type: Original Article
DOI: 10.21608/ejvs.2023.250314.1676
Authors
Abdelghany A. Youssef1; Ahmed A.M. Abdelgawad2; Hoda S.M. Abdel-Ghany3; Sobhy Abdelshafy* 3
1Medicinal and Aromatic Plants Research Department, Pharmaceutical Industries Research Institute, National Research Centre, Dokki, Giza, Egypt
2Medicinal and Aromatic Plants Department, Desert Research Centre, Cairo, Egypt.
3Department of Parasitology and Animal Diseases, Veterinary Research Institute, National Research Centre, Dokki, Giza, Egypt.
Abstract
In addition to a phytochemical screening of the essential oil of Ruta chalpensis aerial parts, this study aimed to discover its eco-friendly acaricidal activity against the cattle tick Rhipicephalus annulatus (Acari: Ixodidae). The essential oil obtained by hydro-distillation from fresh R. chalepensis aerial parts was analyzed by gas chromatography-mass spectrometry. Acaricidal activity was evaluated against Rhipicephalus annulatus ticks by using an adult immersion test. A total of 33 compounds were identified that represented 99.58% of the oil composition. The main constituents of the oils were 2-Nonanone (27.76%), 2-Undecanone (27.12%), 2-Heptyl acetate (10.79%), 2-Acetoxytridecane (4.24%), 5,6-diethenyl-1-methyl-Cyclohexene (3.31%), Davanone (2.87%) and 2-Decanone (2.41%). The results revealed the presence of a high percentage of the two main classes ketones (64.33%) and Esters (19.93%) with a low quantity of various terpenoid classes. The essential oil revealed strong acaricidal activity against semi-engorged females of R. annulatus ticks recording LC50: 1.9% and LC90: 10.3% on the 1st day post-treatment.
Keywords
Ruta chalepensis; Gas chromatography; Chemical composition; Rhipicephalus annulatus; In vitro Acaricidal activity
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