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Department of Dairy and Food Industry, Iowa State University, Ames
ABSTRACT
Swiss cheese was manufactured with single strains of Propionibacterium shermanii and Propionibacterium arabinosum. These strains grew well and poorly, respectively, at 7.2 C, a temperature at which Swiss cheese is often stored commercially. Cheese made with the P. shermanii strain showed a much greater tendency to split and had a larger eye volume than cheese made with P. arabinosum. It was not possible to relate the greater tendency to splitting with greater gas production or proteolysis by the P. shermanii.
1 Journal Paper no. J-5560 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Iowa. Project 1188. Supported in part by a grant from the National Dairy Products Corporation.
2 Present address: Sealtest Foods, Milwaukee, Wisconsin.
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