The results showed that the best
selective medium for enumeration of L. acidophilus from yoghurt was MRS agar containing bile incubated
at 37 C for 72 h under anaerobic conditions. For enumeration of this probiotics from Prato cheese, MRS
agar containing sorbitol incubated at 45 C for 72 h under anaerobic conditions was proven to be the best
selective medium.