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Abstract

The main purpose of this study was to find out the antibiotic potency of extracts of Myrtus communis’ leaves, stems and flowers prepared in different solvents (water, ethanol, methanol and n-hexane). The qualitative phytochemical analyses were carried out by standard methods. Agar disc diffusion method was employed to investigate the antibacterial activities of the diarrhoea disease pathogens. The results showed that the methanol extracts of Myrtus communis leaves have more phytochemicals, and showed the highest antibacterial activities against the tested bacteria as compared to the stem and flower extracts. The study concluded that leaves, stems and flowers of this plant have potent phytochemical (carbohydrates, tannins, phenols, saponins, alkaloids, glycosides, flavonoids and terpenoids) and antibacterial activities against Bacillus subtilis, Bacillus cereus, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Salmonella Typhi, Shigella sonnei, Vibrio cholerae, Shigella dysenteriae and Shigella flexneri.