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 FNS  Vol.3 No.8 , August 2012
Microbiological, Physico-Chemical and Sensorial Characteristics of Serrano, an Artisanal Brazilian Cheese
Abstract: The microbiological, chemical and sensory characteristics of licensed and unlicensed commercial Serrano cheese, a traditional product from the highlands of South Brazil, were studied. The average bacteria counts (log CFU/g) were 8.8, 3.4, 3.4, 5.1, and 8.8, for mesophilic bacteria, fecal coliforms, staphylococci, yeasts and moulds, and lactic acid bacteria (LAB), respectively. Differences in microbiological quality were detected between licensed and unlicensed cheeses. However, the presence of potential gastroentheric bacteria in both kind of cheeses is disturbing and point out the necessity of alternative manufacturing process and good manufacturing practices to minimize consumers’ health risks. The most prevalent LAB were Lactobacillus (91%), followed Lactococcus and Enterococcus. Lactobacillus isolates comprised L. plantarum (57.7%), L. paracasei (19.2%), L. rhamnosus (7.7%), L. acidophilus (7.7%), and 3.8% of both L. curvatus and L. fermentum. Non-significant physico-chemical differences were detected between licensed and unlicensed cheeses. Cheeses that received the highest sensorial scores exhibited the presence of both L. plantarum and L. paracasei, indicating that mixed populations of these species positively contributed to flavor development.
Cite this paper: A. Delamare, C. Andrade, F. Mandelli, R. Almeida and S. Echeverrigaray, "Microbiological, Physico-Chemical and Sensorial Characteristics of Serrano, an Artisanal Brazilian Cheese," Food and Nutrition Sciences, Vol. 3 No. 8, 2012, pp. 1068-1075. doi: 10.4236/fns.2012.38142.
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