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Abstract

In this study, a survey of the probiotic potential of 5 lactic acid bacteria strains (Lactobacillus pentosus: M1, M2, M3, M4, M5) was conducted. The results indicated that all five strains exhibited high acid tolerance at pH 2.5 after four hours, with survival rates ranging from 81.73% to 106.57%. The strain L. pentosus M2 demonstrated the highest autoaggregation ability at 99.24%, while L. pentosus M3 exhibited the lowest at 15.83%. Coaggregation assays and hydrophobicity assay of the strains were generally at an average level; however, L. pentosus M2 showed superior coaggregation assays with Staphylococcus aureus and Salmonella typhimurium, with rates of 17.14% and 23.70%, respectively, compared to the other strains. Most strains displayed very high tolerance to pepsin, bile salts, and pancreatic juice. The survival rate of L. pentosus strains in a pepsin medium ranged from 86.40% to 95.57%, with L. pentosus M2 having the highest survival rate at 95.57% and L. pentosus M3 the lowest at 86.40%. In bile salt and pancreatic juice conditions, the survival rates of L. pentosus strains (M1, M2, M3, M4, M5) were 95.83%, 96.54%, 90.90%, 93.59%, and 87.40%, respectively.

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How to Cite
Tran Thanh Quynh Anh, Do Thi Bich Thuy, & Nguyen Thi Van Anh. (2025). Characterization of probiotic potential in Lactobacillus pentosus strains. E-Journal of Agricultural Science and Technology, 9(1), 4752–4762. https://doi.org/10.46826/huaf-jasat.v9n1y2025.1216
Section
FOOD TECHNOLOGY - ENGINEERING

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