Screening and characterization of potential probiotic lactic acid bacteria isolated from traditional dairy products
Elghoul, M., nada, H., Dawwam, G., O. Abdel Monem, M. (2025). Screening and characterization of potential probiotic lactic acid bacteria isolated from traditional dairy products. EKB Journal Management System, 10(2), 51-59. doi: 10.21608/bjas.2025.372805.1698
Mohammed Aadel Anas Rezq Elghoul; Hanady nada; Ghada Dawwam; Mohamed. O. Abdel Monem. "Screening and characterization of potential probiotic lactic acid bacteria isolated from traditional dairy products". EKB Journal Management System, 10, 2, 2025, 51-59. doi: 10.21608/bjas.2025.372805.1698
Elghoul, M., nada, H., Dawwam, G., O. Abdel Monem, M. (2025). 'Screening and characterization of potential probiotic lactic acid bacteria isolated from traditional dairy products', EKB Journal Management System, 10(2), pp. 51-59. doi: 10.21608/bjas.2025.372805.1698
Elghoul, M., nada, H., Dawwam, G., O. Abdel Monem, M. Screening and characterization of potential probiotic lactic acid bacteria isolated from traditional dairy products. EKB Journal Management System, 2025; 10(2): 51-59. doi: 10.21608/bjas.2025.372805.1698

Screening and characterization of potential probiotic lactic acid bacteria isolated from traditional dairy products

Benha Journal of Applied Sciences
Volume 10, Issue 2, February 2025, Page 51-59  XML PDF (536.45 K)
Document Type: Original Research Papers
DOI: 10.21608/bjas.2025.372805.1698
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Authors
Mohammed Aadel Anas Rezq Elghoul email orcid 1; Hanady nadaorcid 2; Ghada Dawwam1; Mohamed. O. Abdel Monem3
1Botany and Microbiology Department, Faculty of Science, Benha,13518, Egypt.
2National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, 11878, Egypt
3Professor of Botany and Microbiology Department , Faculty of Science, Benha University
Abstract
Lactic acid bacteria (LAB) have been used as probiotic agents due to their ability to produce a variety of beneficial compounds for cultivars and their status as safe microorganisms. Discovering and evaluating new probiotics in dairy products and other normal habitats poses a global economic and health importance. Therefore, in our study, a total of 43 traditional dairy product samples were collected from Menoufia and Qalyubia governorates for isolation of lactic acid bacteria with probiotic characteristics. Seventy-nine bacterial isolates were obtained and identified morphologically and biochemically. Among these isolates, only 23 were found to have LAB characteristics as catalase‐negative, gram‐positive and non-motile. The most potent five isolates (P18, P19, P28, P41, and P42) were tested for their probiotic characteristics, including low pH tolerance and bile salt stability. They showed high tolerance against pH 3.0 and 0.3 % bile salt concentration. Thus, this research provides a foundation for developing dairy products that can positively affect human health by incorporating probiotic microorganisms.
Keywords
Lactic acid bacteria; Isolation; Screening; Probiotics; Dairy products
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