Differences in chemical, physical and microbiological characteristics of Italian burrata cheeses made in artisanal and industrial plants of Apulia Region

Submitted: 10 March 2016
Accepted: 27 April 2016
Published: 3 June 2016
Abstract Views: 1503
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The burrata cheese is a traditional product from Southern Italy, consisting of an envelope of pasta filata (stretched curd) filled with cream and pasta filata strips (usually leftovers from mozzarella production). Physical [water activity (aw), pH], chemical (moisture, NaCl content) and microbiological [total viable count (TVC), Listeria monocytogenes, Salmonella spp., Yersinia enterocolitica, Bacillus cereus, Escherichia coli, Enterobacteriaceae, coagulase-positive staphylococci] characteristics of burrata cheeses manufactured in artisanal and industrial plants were evaluated. The artisanal burrata showed lower aw values in the filling and the final product. The same was recorded in the filling for the moisture, probably due to differences between the types of cream used in the artisanal and the industrial cheesemaking. The pH value of the filling differed between the two groups but no difference was recorded in the final product. Microbiological differences were also recorded, with higher values for TVC and E. coli in artisanal than industrial burrata. All samples were negative for the other microbial determinations, with the exception of coagulase-positive staphylococci and Y. enterocolitica, which were detected in artisanal burrata. Differences in cheesemaking process were probably responsible for the strong variability of the physical and chemical data between the two cheeses; furthermore, differences in the hygienic features were also recorded. Even though artisanal products showed lower aw and pH values and higher NaCl concentration, the higher E. coli loads highlighted the need for a more accurate compliance with hygienic procedures along the artisanal cheesemaking process.

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1.
Rea S, Marino L, Stocchi R, Branciari R, Loschi AR, Miraglia D, Ranucci D. Differences in chemical, physical and microbiological characteristics of Italian burrata cheeses made in artisanal and industrial plants of Apulia Region. Ital J Food Safety [Internet]. 2016 Jun. 3 [cited 2024 Jul. 25];5(3). Available from: https://www.pagepressjournals.org/ijfs/article/view/5879