Antimicrobial effect of Citrus aurantium essential oil on some food-borne pathogens and its determination of chemical compounds, total phenol content, total flavonoids content and antioxidant potential
Message:
Abstract:
In this study, the antimicrobial effect of Citrus aurantium essential oil on Bacillus cereus, Listeria innocua, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Salmonella typhi and Candida albicans was evaluated. The chemical compounds, total phenol content, total flavonoids content and antioxidant potential of Citrus aurantium essential oil were determined. The results of phytochemical analysis (Ferric chloride and Shinoda) showed that, phenol, flavonoids and flavone demonstrated the presence in Citrus aurantium essential oil. Based on gas chromatography–mass spectrometry results 19 compounds identified in Citrus aurantium essential oil. Linalool (21.29 %) was the major compound in Citrus aurantium essential oil. The total phenolic content and total flavonoids content of Citrus aurantium essential oil were equal to 41.35 ± 0.46 mg GAE/g DM and 2.98 ±0.50 mg QE/g DM, respectively. The antioxidant potential based on radical Scavenging and β-carotene linoleic acid of Citrus aurantium essential oil were equal to 102.85 ± 0.60 μg/ml and 65.60% respectively. The longest and the shortest diameters of the inhibition zone at the concentration of 45 mg/ml pertained to, Listeria innocua (16.50 ±0.66 mm) and Salmonella typhi (9.80 ±0.43 mm), respectively. The minimum inhibitory concentration of the Citrus aurantium essential oil ranged from 3.125 mg/ml to 100 mg/ml, while its minimum bactericidal/fungicidal concentration ranged from 3.125 mg/ml to 200. Based on the present research, the essential oil Citrus aurantium antioxidant potential and antimicrobial activity on several food-borne pathogens tested and thus can be a good source of food industrial.
Article Type:
Research/Original Article
Language:
Persian
Published:
Food Science and Technology, Volume:16 Issue:2, 2019
Pages:
275 - 288
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