The replacement of glucose by sorbitol in MRS agar should
inhibit the development of the lactic acid bacteria, since these
microorganisms cannot ferment sorbitol, such as S. thermophilus
strains However, this behavior was not
verified in this study, since pure cultures of Lactococcus lactis, L.
bulgaricus and S. thermophilus have developed in the culture medium
containing sorbitol at 37 Cor 45 C