Lactic acid bacteria in Kimchi fermentation were tested for inhibitory activity against Gram positive bacteria and Gram negative bacteria. The Lactobacillus brevis (KCCM 35464) was found to produce a antimicrobial substance. It showed relatively wide range of inhibition spectrum against gram positive and gram negative bacteria and maintained the inhibitory activity between pH 4.0 and pH 9.0. The antimicrobial substance was obtained in the stationary growth phase and was purified by gel chromatography. The inhibitory effect of the antimicrobial substance on sensitive bacterial strains was determined by filter paper test. The activity of antimicrobial substa- nce was stable at 75$circ$C. On the basis of its electrophoretic pattern is SDS-PAGE, antimicrobial substance appeared as a single band of 59 KDalton.
Keywords: Bacteriocin, lactic acid bacteria, antimicrobial activity
Cristobal González-Pérez , Irasema Vargas-Arispuro , Emmanuel Aispuro-Hernández , Cynthia Aguilar-Gil , Yuri Aguirre-Guzmán , Alejandro Castillo , Adrian Hernández-Mendoza , Jesús Ayala-Zavala and Miguel Martínez-Téllez
Microbiol. Biotechnol. Lett. 2019; 47(2): 183-194 https://doi.org/10.4014/mbl.1808.08014Nagwa El-Arabi , Rasha Salim , Nivien Abosereh and Abdelhadi Abdelhadi
Microbiol. Biotechnol. Lett. 2018; 46(3): 288-299 https://doi.org/10.4014/mbl.1803.03001이나경, 김현욱, 최신양, 백현동
Microbiol. Biotechnol. Lett. 2003; 31(3): 297-300 https://doi.org/10.4014/mbl.2003.31.3.297