ESSENTIAL OILS OF CERTAIN CULTIVARS OF ANNONA SQUAMOSA L.; GROWING IN EGYPT.

Document Type : Original Article

Authors

1 Department of Pharmacognosy, Faculty of Pharmacy, University of Zagazig, Egypt.

2 Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt.

3 Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University,Zagazig, Egypt

Abstract

 The composition of the hydrodistilled essential oils obtained from the leaves of two cultivars of Annona squamosa L. (Balady and Abdel-Razik cultivars) were analyzed by gas chromatography-mass spectroscopic technique (GC- MS). The study resulted in the identification of 18 and 26 components, comprising 89% and 92.7% of the oils of the Balady and Abdel-Razik cultivars, respectively. Results showed evident qualitative and quantitative differences between the two oils. Both oils were rich in sesquiterpene hydrocarbons (40.3% and 42.2%, respectively). Sesquiterpene alcohols were higher in the Balady (35.0%) than in Abdel-Razik (10.9 %) cultivar, while monoterpene alcohols were found in a higher percentage in Abdel-Razik (21.4 %) than in the Balady cultivar (9.5 %). The two oils exhibited remarkable wide spectrum antibacterial effects, but no antifungal activity.

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