Mutation Technique for Increasing the Production of Antibacteria Lactobacillus plantarum TGR-2
Sebastian Margino(1*), Sri Winarti(2), Retno Indrati(3), Endang S. Rahayu(4)
(1) Gadjah Mada University
(2) Gadjah Mada University
(3) Gadjah Mada University
(4) Gadjah Mada University
(*) Corresponding Author
Abstract
against Staphylococcus aureus FNCC 0047 as
bacterial indicator, using agar diffusion and turbidimetric assay techniques. Results showed that 24 mutants could produce higher amount of antibacteria and two of them, NTG and acrydine orange treatments, had higher stability than others. Characterization of two mutants, determination of biochemistry traits and optimization of antibacterial (bacteriocin) production were done. The product showed that UV-15, EMS-10, AO-6 and NTG-21 mutants could produce antibacterial substance 3,90, 4.40, 3.40 and 4.17 AU/ml for 16, 12, 12, and 16 hours incubation, respectively, compared to Lactobacillus plantarum TGR-2 which produced 1.07 UA/ ml for 24 hours incubation.
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PDFDOI: https://doi.org/10.22146/jifnp.71
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Indonesian Food and Nutrition Progress (print ISSN 0854-6177, online ISSN 2597-9388) is published by the Indonesian Association of Food Technologist in collaboration with Department of Food and Agricultural Product Technology, Faculty of Agricultural Technology, Universitas Gadjah Mada.
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