A STUDY ON THE ANTIBACTERIAL ACTIVITY OF LACTIC ACID BACTERIA ISOLATED FROM TRADITIONAL IRANIAN MILK SAMPLES

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TAHERI P.; SAMADI N.; KHOSHAYAND M.R.; FAZELI M.R.; JAMALIFAR H.; EHSANI M.R.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCE AND RESEARCH Year:2011 | Volume:2 | Issue:1 (2) Page(s): 27-34

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Information Journal Paper

Title

A STUDY ON THE ANTIBACTERIAL ACTIVITY OF LACTIC ACID BACTERIA ISOLATED FROM TRADITIONAL IRANIAN MILK SAMPLES

Author(s)

Keywords

LACTIC ACID BACTERIA

ORGANIC ACIDS

HYDROGEN PEROXIDE

BACTERIOCIN

MINIMUM INHIBITORY CONCENTRATION

MODE OF ACTION

Abstract

198 LACTIC ACID BACTERIA (LAB) were isolated from Iranian milk samples. Almost all isolated LAB showed inhibitory activity towardsE. coli and S. aureus as Gram negative and Gram positive indicators, respectively. No role was observed for HYDROGEN PEROXIDE in the activity of all isolated strains while ORGANIC ACIDS proved a prominent role in all detected inhibitory activities. Within isolated LAB, four strains represented the inhibitory activity againstS. aureus based on the production of BACTERIOCIN-like inhibitory substances (BLIS). Inactivation of the activity by proteolytic enzymes demonstrated the proteinaceous nature of the antimicrobial compounds. The selected producers were identified asL. lactis, E. faecium 1, E. hirae and E. faecium2 based on biochemical tests according to Bergy's manual of systematic bacteriology. L. lactishad the highest MINIMUM INHIBITORY CONCENTRATION (320 IU/ml) and showed bacteriostatic mode of activity towards the indicator bacteria.

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APA: Copy

TAHERI, P., SAMADI, N., KHOSHAYAND, M.R., FAZELI, M.R., JAMALIFAR, H., & EHSANI, M.R.. (2011). A STUDY ON THE ANTIBACTERIAL ACTIVITY OF LACTIC ACID BACTERIA ISOLATED FROM TRADITIONAL IRANIAN MILK SAMPLES. INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCE AND RESEARCH, 2(1 (2)), 27-34. SID. https://sid.ir/paper/326893/en

Vancouver: Copy

TAHERI P., SAMADI N., KHOSHAYAND M.R., FAZELI M.R., JAMALIFAR H., EHSANI M.R.. A STUDY ON THE ANTIBACTERIAL ACTIVITY OF LACTIC ACID BACTERIA ISOLATED FROM TRADITIONAL IRANIAN MILK SAMPLES. INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCE AND RESEARCH[Internet]. 2011;2(1 (2)):27-34. Available from: https://sid.ir/paper/326893/en

IEEE: Copy

P. TAHERI, N. SAMADI, M.R. KHOSHAYAND, M.R. FAZELI, H. JAMALIFAR, and M.R. EHSANI, “A STUDY ON THE ANTIBACTERIAL ACTIVITY OF LACTIC ACID BACTERIA ISOLATED FROM TRADITIONAL IRANIAN MILK SAMPLES,” INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCE AND RESEARCH, vol. 2, no. 1 (2), pp. 27–34, 2011, [Online]. Available: https://sid.ir/paper/326893/en

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