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Journal of Food Quality and Hazards Control، جلد ۱، شماره ۴، صفحات ۱۰۸-۱۱۲
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عنوان انگلیسی Effect of Monolaurin Alone and in Combination with EDTA on Viability of Escherichia coli and Staphylococcus aureus in Culture Media and Iranian White Cheese
چکیده انگلیسی مقاله Background: Escherichia coli and Staphylococcus aureus as important food-borne pathogens are the main concerns of food producers and consumers which create a lot of problems worldwide. The objective of this study was to investigate the inhibitory effect of monolaurin alone and in combination with EDTA on viability of E. coli and S. aureus in culture media and Iranian white cheese. Methods: The minimum inhibitory concentration of monolaurin and EDTA was determined by broth microdilution susceptibility test. In the next stage, 108 CFU/g of E. coli and S. aureus and different concentrations of monolaurin and EDTA were added. Samples were maintained at 4 °C for 9 days. Antibacterial effect of monolaurin and EDTA was evaluated on days 0, 1, 3, 5, 7 and 9 by the specific media. Statistical analysis was made using analysis of variance (ANOVA) by SPSS program (16.0) to compare means with a significant difference when p< 0.05. Results: Monolaurin alone in both in vitro and in vivo condition had limited effect on E. coli growth but this effect was increased when it was used in combination with EDTA (p< 0.05). Monolaurin showed strong antibacterial effect on S. aureus which was increased significantly when used in combination with EDTA (p< 0.05). Preservation time had significant effect on antibacterial effect of monolaurin on both pathogenic bacteria (p< 0.05). Conclusion: Monolaurin can be used in combination with EDTA to decrease contamination risks and growth of pathogenic bacteria in Iranian white cheese.
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نویسندگان مقاله h تاجیک | h. tajik


m رییسی | m. raeisi
raeisi.mojtaba@yahoo.com


سید محمد رضوی روحانی | s m razavi rohani


m هاشمی | m. hashemi


m امین زارع | m amin zare


h نقیلی | h. naghili


d روزبهانی | d. rozbani


d بنیامین عمار | d ben ammar


نشانی اینترنتی http://jfqhc.ssu.ac.ir/browse.php?a_code=A-10-1-43&slc_lang=en&sid=en
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original article
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