EFFECT OF PH ON RHEOLOGICAL PROPERTIES AND MELTABILITY OF PROCESSED CHEESE ANALOGS WITH WHEY PRODUCTS
 
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Pol. J. Food Nutr. Sci. 2007;57(Special issue 3A):125–128
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ABSTRACT
The objective of this paper was to investigate the influence of pH on rheological properties and meltability of processed cheese analogs obtained only from acid casein and partially replaced by different whey products. Hardness of processed cheese analogs obtained only on the base of acid casein was very high at pH 4.5–5.0, however decreased significantly with an increase of pH values. Addition of whey products to processed cheese analogs caused an increase of their hardness and viscosity. Meltability of cheese analogs increased in higher pH whereas decreased alongside with addition of demineralized whey powder (DWP 50) at pH 6.0-7.0. Substitution of 1% of casein with 1% whey protein produces much more solid cheeses, which can be used to reduce casein content and decrease production costs.
ISSN:1230-0322