Malaysian Isolates of Lactic Acid Bacteria with Antibacterial Activity against Gram-Positive and Gram-Negative Pathogenic Bacteria

belal J muhialdin, Zaiton Hassan, Mohamed Muftah Ahmed Imdakim, Fredy Kesnawan Shah Abdul Kahar, Mohamed Mustafa Aween


Contamination of foodstuff with foodborne and pathogenic bacteria are global issue and it is serious hazard for the health of the human. Lactic acid bacteria are well known for their health properties and their antimicrobial activity against spoilage and pathogenic bacteria. In this study, three isolates Lactobacillus fermentum Te007, Pediococcus pentosaceus Te010, L. pentosus G004 isolated from Malaysian fermented foods and fruits such as (tempeh, tempoyak, guava and banana) were evaluated for their antibacterial activity and antibiotic resistant against Gram-positive and Gram-negative bacteria by dual agar overlay method. The three isolates inhibited the growth of indicator bacteria and the activity was varied between weak and strong. All the isolates were resistant to the antibiotic nalidixic acid and vancomycin. The tested bacteria can be added to food as antibacterial agents to prevent the growth of harmful microorganisms.

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Journal of Food Research   ISSN 1927-0887 (Print)   ISSN 1927-0895 (Online)  E-mail:

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