A final pH of ca. 4.5 could enhance the stability
of LAB and improve food safety avoiding the growth of
spoilage and pathogenic microorganisms, such as Listeria and Salmonella,
and represents an alternative to preservatives (Matias,
Bedani, Castro, & Saad, 2014). In this way, Enterobacteria were
not found in Potato Cheese after 28 days of cold storage and yeasts
were detectable after 21 days (20 UFC/g).