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El-Shouny, W., Abd El-Zaher, E., Shabana, S., Mohammed, O. (2017). Antimicrobial Activity of Different Essential Oils against Aspergillus flavus and Klebsiella pneumoniae Isolated from Respiratory Tract. Egyptian Journal of Botany, 57(7th International Conf.), 161-172. doi: 10.21608/ejbo.2017.758.1044
Wagih El-Shouny; Eman Abd El-Zaher; Samya Shabana; Olaa Mohammed. "Antimicrobial Activity of Different Essential Oils against Aspergillus flavus and Klebsiella pneumoniae Isolated from Respiratory Tract". Egyptian Journal of Botany, 57, 7th International Conf., 2017, 161-172. doi: 10.21608/ejbo.2017.758.1044
El-Shouny, W., Abd El-Zaher, E., Shabana, S., Mohammed, O. (2017). 'Antimicrobial Activity of Different Essential Oils against Aspergillus flavus and Klebsiella pneumoniae Isolated from Respiratory Tract', Egyptian Journal of Botany, 57(7th International Conf.), pp. 161-172. doi: 10.21608/ejbo.2017.758.1044
El-Shouny, W., Abd El-Zaher, E., Shabana, S., Mohammed, O. Antimicrobial Activity of Different Essential Oils against Aspergillus flavus and Klebsiella pneumoniae Isolated from Respiratory Tract. Egyptian Journal of Botany, 2017; 57(7th International Conf.): 161-172. doi: 10.21608/ejbo.2017.758.1044

Antimicrobial Activity of Different Essential Oils against Aspergillus flavus and Klebsiella pneumoniae Isolated from Respiratory Tract

Article 24, Volume 57, 7th International Conf., October 2017, Page 161-172  XML PDF (1.22 MB)
Document Type: Regular issue (Original Article)
DOI: 10.21608/ejbo.2017.758.1044
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Authors
Wagih El-Shouny1; Eman Abd El-Zaher2; Samya Shabana email 3; Olaa Mohammed3
1Microbiology Department, Faculty of Science, Tanta University, Tanta, Egypt.
2Microbiology Department, Faculty of Science, Tanta University
3Microbiology Department, Faculty of Science, Tanta University.
Abstract
ESSENTIAL oils from Cinnamomum verum (Cinnamon), Lavandula angustifoli (Lavender), Lepidium virginicum (Peppergrass oil), Zingiber officinale (Ginger) and Cinnamomum camphora (Camphor) have been investigated for their antifungal and antibacterial activities against 6 fungal isolates of Aspergillus flavus and 25 bacterial isolates of Klebsiella pneumoniae. The sensitivity was determined using agar well diffusion method and the inhibition zones were compared with the standard drug itraconazole for fungi and Amikacine for tested bacteria. The tested essential oil showed a wide spectrum of inhibition against the tested isolates. Treating the Klebsiella pneumoniae, with cinnamon essential oil led to an external changes, irregular cell shape and disintegration of bacterial cell wall under transmission electron microscope. GC-MS technique was used for cinnamon essential oil; the composition of cinnamon oil was dominated by cinnamaldehyde. The in vivo efficacy of cinnamon essential oil in treatment of Klebsiella pneumoniae in mice lungs was proven.
Keywords
Essential oils; Antifungal; Antibacterial; GC-MS; TEM
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