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Iranian Journal of Veterinary Medicine، جلد ۱۷، شماره ۳، صفحات ۱۸۹-۱۹۸
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| عنوان فارسی |
تاثیر افزودن لاکتوفرین به ماست در برابر بعضی پاتوزن های غذازاد |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Effect of Adding Lactoferrin on Some Foodborne Pathogens in Yogurt |
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| چکیده انگلیسی مقاله |
Background: Lactoferrin is a natural biological active cationic protein that can be used as a yogurt additive to inhibit the growth of foodborne pathogens.Objectives: The present study evaluated the antimicrobial effects of lactoferrin against Bacillus cereus, Enterococcus faecalis, and Candida albicans inoculated in laboratory prepared yogurt at refrigerator temperature.Methods: The pre-warmed skimmed milk was inoculated by commercial starter and then divided into 3 parts, each inoculated by different inoculum and a certain concentration of lactoferrin (0.5% and 1.5%) and incubated at 42oC for 4 h till curd formation. Tenfold serial dilutions were performed for each group and refrigerated at4±1oC for up to 14 days to be examined every day.Results: The obtained results showed that the treated yogurt samples with lactoferrin had significant reductions in B. cereus, Ent. faecalis, and C. albicans counts than untreated samples (control positive). Generally, yogurt samples treated with 1.5% lactoferrin showed the highest reduction percentages on B. cereus and C. albicans than 0.5% lactoferrin. In addition, B. cereus showed more susceptibility to lactoferrin than Ent. faecalis; the maximum reduction of the inoculated B. cereus was observed on the sixth day of the incubation to be 99.99%. Maximum reduction of the tested C. albicans was observed after the seventh day. Conclusion: The application of lactoferrin showed a potentially significant antimicrobial effect against B. cereus, Ent. faecalis, and C. albicans in refrigerating conditions, so lactoferrin is recommended to be used in yogurt production for safe product manufacturing. |
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| کلیدواژه‌های انگلیسی مقاله |
yogurt,Lactoferrin,Bacillus Cereus,Enterococcus faecalis,Candida albicans |
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| نویسندگان مقاله |
Mai Fetouh |
Animal Health Research Institute-Benha Laboratory, Benha, Egypt.
Hend Elbarbary |
Department of Food Hygiene and Control, Faculty of Veterinary Medicine, Benha University, Benha, Egypt.
Ekbal Ibrahim |
Animal Health Research Institute-Benha Laboratory, Benha, Egypt.
Ahmed Afifi Maarouf |
Animal Health Research Institute-Benha Laboratory, Benha, Egypt.
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| نشانی اینترنتی |
https://ijvm.ut.ac.ir/article_89649_ec39570cb07aac9ed0731641c9f20faa.pdf |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
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