Screening of Five Lactobacillus Bacteria with Probiotic Properties from Indigenous Klila Cheese
Background: The Lactobacillus genus is the most widespread lactic acid bacteria (LAB) species globally. These bacteria are known for their probiotic properties, which benefit human health.
Aims: This study aims to identify and screen the principal probiotic selection criteria of five Lactobacillus strains isolated from Klila, a traditionally fermented cheese product from Algeria, in vitro.
Materials and Methods: The main probiotic selection criteria were screened in vitro through biochemical and physiological tests, such as tolerance to low pH, bile salts, and phenol, their aggregation capacity, cell surface hydrophobicity, antibiotic sensitivity, and antimicrobial activity. Sequencing the 16S-rRNA gene identified the five isolates as Lactobacillus plantarum (LP1, LP2, LP3, and LP4) and Lactobacillus fermentum (LF1).
Results: The experimental results showed that all five isolates survived after exposure to low pH (2.2) for 3 hours. They also showed tolerance to bile salts ranging from 57.67 to 70.68% and 0.4% phenol, ranging from 39.22 to 61.01%. The auto-aggregation capacity varied between 31.35% and 57.38%, while co-aggregation varied respectively from 14.57% to 22.17% with Escherichia coli, from 13.04% to 23.62% with Staphylococcus aureus, and from 11.15% to 17.03% with Candida albicans. The hydrophobicity towards xylene ranged from 41.67 to 60.47%, and the biofilm formation ability ranged from 32.94 to 70.19%. Isolate LF1 presented the highest hydrophobicity and biofilm formation percentages, with 60.47 and 70.19%, respectively. All five isolates demonstrated significant antioxidant capacities, suggesting their potential to improve food preservation and health benefits. Exceptional antimicrobial activities were revealed against the tested food-borne pathogens, ranging from 12.6 to 45 mm. A safety profile was shown without hemolytic, gelatin liquefaction, or coagulase activity.
Conclusion: The Lactobacillus bacteria isolated from Klila presented physiological characteristics that make them potential probiotic candidates beneficial for health.
Keywords
How to Cite
Abushelaibi, A., Al-Mahadin, S., El-Tarabily, K., Shah, N. P., & Ayyash, M. (2017). Characterization of potential probiotic lactic acid bacteria isolated from camel milk. LWT-Food Science and Technology, 79, 316–325. https://doi.org/10.1016/j.lwt.2017.01.041
Akman, P. K., Ozulku, G., Tornuk, F., & Yetim, H. (2021). Potential probiotic lactic acid bacteria isolated from fermented gilaburu and shalgam beverages. LWT, 149, 111705. https://doi.org/10.1016/j.lwt.2021.111705
Amenu, D., & Bacha, K. (2023). Probiotic potential and safety analysis of lactic acid bacteria isolated from Ethiopian traditional fermented foods and beverages. Annals of Microbiology, 73(1), 37. https://doi.org/10.1186/s13213-023-01740-9
Angmo, K., Kumari, A., Savitri, & Bhalla, T. C. (2016). Probiotic characterization of lactic acid bacteria isolated from fermented foods and beverage of Ladakh. LWT - Food Science and Technology, 66, 428–435. https://doi.org/10.1016/j.lwt.2015.10.057
Atanasov, N., Evstatieva, Y., & Nikolova, D. (2023). Antagonistic Interactions of Lactic Acid Bacteria from Human Oral Microbiome against Streptococcus mutans and Candida albicans. Microorganisms, 11(6), 1604. https://doi.org/10.3390/microorganisms11061604
Azevedo, I., Barbosa, J., Albano, H., Nogueira, T., & Teixeira, P. (2024). Lactic Acid Bacteria isolated from traditional and innovative alheiras as potential biocontrol agents. Food Microbiology, 119, 104450. https://doi.org/10.1016/j.fm.2023.104450
Aziz, G., Fakhar, H., Rahman, S. U., Tariq, M., & Zaidi, A. (2019). An assessment of the aggregation and probiotic characteristics of Lactobacillus species isolated from native (desi) chicken gut. Journal of Applied Poultry Research, 28(4), 846–857. https://doi.org/10.3382/japr/pfz042
Balcázar, J. L., Subirats, J., & Borrego, C. M. (2015). The role of biofilms as environmental reservoirs of antibiotic resistance. Frontiers in Microbiology, 6. https://doi.org/10.3389/fmicb.2015.01216
Bao, Y., Zhang, Y., Zhang, Y., Liu, Y., Wang, S., Dong, X., Wang, Y., & Zhang, H. (2010). Screening of potential probiotic properties of Lactobacillus fermentum isolated from traditional dairy products. Food Control, 21(5), 695–701. https://doi.org/10.1016/j.foodcont.2009.10.010
Basbülbül, G., Özteber, M., & Biyik, H. H. (2015). Antibiotic resistance in lactic acid bacteria isolated from fermented dairy products and boza. The Journal of Microbiology, Biotechnology and Food Sciences, 4(6), 513. https://doi: 10.15414/jmbfs.2015.4.6.513-517
Similar Articles
- Randomized, placebo-controlled pilot study investigating the effects of Laurus nobilis tea on lipid profiles and oxidative stress biomarkers in healthy North African volunteers
- Prevalence of antibiotic resistant Vibrio spp. in Finfish sold in Tripoli fish markets, Libya
- Amino acid profile and scores of some selected traditional diets commonly consumed in northwest zone, Nigeria
- Determination of phthalate esters contents in different types of cheese produced and consumed in Saudi Arabia
- Exploring the Antioxidant Potential and HPLC Profile of Fenugreek (Trigonella foenum-graecum L.) Seed Extracts
- The Role of Barley, Sorghum, Rice, and Maize in North African Cuisine
- Determination of nutrient composition of some selected traditional home- made meals commonly consumed in Syria
- Ameliorative Effects of Citrus aurantium Juice on Metabolic Disorders Induced by Trans Fatty Acid-Rich Amalgam in Wistar rats
- Ultrasound as pre-treatment for microwave drying of Myrtus communis fruits: Influence on phenolic compounds and antioxidant activity
- Antibacterial and antihemolytic assessment of Allium sativum through optimized protein fraction extraction
You may also start an advanced similarity search for this article.

NAJFNR is licensed under