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     Advance Journal of Food Science and Technology

    Abstract
2015(Vol.8, Issue:4)
Article Information:

Application of Antimicrobial Agents Produced by Lactobacillus plantarum IIA-1A5 as Natural Preservative on Beef during Room Temperature Storage

Dewi Elfrida Sihombing, Irma Isnafia Arief and Sri Budiarti
Corresponding Author:  Irma Isnafia Arief 
Submitted: October ‎07, 2014
Accepted: November ‎3, ‎2014
Published: May 20, 2015
Abstract:
Lactobacillus plantarum IIA-1A5 is indigenous lactic acid bacteria isolated from Indonesian beef. Lactobacillus plantarum IIA-1A5 was reported could produce bacteriocin, called plantaricin IIA-1A5. The aims of this research was to analyze application of plantaricin IIA-1A5 as a natural preservative on beef. Based on antagonistic test, plantaricin IIA-1A5 had good moderate antimicrobial activity against pathogenic bacteria isolated from human’s feces that cause diarrhea such as Salmonella 38, Enteropathogenic Escherichia coli K11 and Shigella A33. Application of plantaricin IIA-1A5 was effective as a natural preservative on beef stored at room temperature by inhibiting the growth of Escherichia coli and Staphylococcus aureus. Plantaricin IIA-1A5 could kill all of the Escherichia coli after 5 h storage. Plantaricin IIA-1A5 could reduce the population of Staphylococcus aureus in beef during room temperature storage. Interestingly, plantaricin produced by Lactobacillus plantarum IIA-1A5 was effective against gram negative and positive bacteria. According to physichochemichal and microbiology quality, plantaricin IIA-1A5 was recommended as biopreservative agents for beef.

Key words:  Bacteriocin, beef, Lactobacillus plantarum, natural preservative, , ,
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Cite this Reference:
Dewi Elfrida Sihombing, Irma Isnafia Arief and Sri Budiarti, . Application of Antimicrobial Agents Produced by Lactobacillus plantarum IIA-1A5 as Natural Preservative on Beef during Room Temperature Storage. Advance Journal of Food Science and Technology, (4): 251-255.
ISSN (Online):  2042-4876
ISSN (Print):   2042-4868
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