Antimicrobial effects of extracts of orange peels and ginger on local clinical isolates
Abstract
A noticeable potency of many species of plants present against bacterial and fungal pathogens. Bacterial resistance against antibiotics is consider one of the common problems in the medical world, so one of the most important steps in microbiological researches is to find a new antimicrobial compound with minimal side effects. So the aim of this study is to investigate the antimicrobial activity of Citrus sinensis (orange) peel aqueous and organic solvent extracts on some medically important animal pathogens and to determine some phytochemical compounds to be recycled to added in animals ration. Hot and cold aqueous in addition to ethanol extracts of Citrus sinensis (orange) peel were evaluated for their antimicrobial activity against some medically important pathogens isolated from animals and poultry farms (Staphylococcus aureus, Escherichia coli, Pseudomonas aerogenes, Bacillus cereus and Candida albicans) by agar well diffusion method. Both hot, cold aqueous and ethanol peel extracts showed high antibacterial and antifungal effect against the all examined pathogenic samples. Also, phytochemical compound of aqueous and ethanol peel extracts were determined, results of the chemical tests explain the extracts of Citrus sinensis (orange) peel contain alkaloids, flavonoids, tannins and saponin compounds while glycosides not found. So it could be concluded that the Citrus sinensis (orange) peel extracts possess remarkable antibacterial activity against gram positive and gram negative bacteria in addition to its antifungal activity against Candida albicans and to be introduced as an alternative to chemical antimicrobial drugs, is required wider investigation also ecologically as recycling of fruits peel can be used as food additive in animal ration
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