The invention provides a composition comprising novel lactic acid bacteriahaving immunoregulating activities. Specifically, the invention provides food,drinks or medicaments containing novel lactic acid bacteria separated from"Shibazuke," one kind of traditional Kyoto pickles, and havingimmunoregulating activities. The lactic acid bacteria belong to Lactobacilluspentosus and have a weak assimilating activity or no assimilating activity forglycerol.