Ozone inactivation of lactic acid bacteria

摘要

Ozone inactivation of lactic acid bacteria in water was studied. The strains studied showed resistance to ozonated water in the following order: Leuconostoc mesenteroides IFO3426 > Lactobacillus fructivorans IFO13118 > Lactobacillus plantarum IFO3070 > Weissella viridescence IFO3949 > Enterococcus faecium IFO3128 > Enteroccoccus feacalis IFO 12964. However, the survival ratio of L. mesenteroides IFO3426 was found to decrease by increasing the dissolved ozone concentration ranging from 0.5 to 5mg/l and the temperature in the range from 5 to 30 deg C.