Abstract
The fortification and enrichment of food with health benefic natural or natural identical substances creating new functional foods became an important issue for food researchers and processors. However, often occurs that the obtained products (despite of their health benefic activity) cannot be marketed due to strange or accustomed taste and/or texture. The aim of the research was to elucidate the effect of conjugated linoleic acid (CLA) enrichment of raw milk on the rheological properties of the obtained yogurt. The results show that the values of the complex viscosity at 50 rad.s-1 (correlated with the thickness and sliminess of the food gel structures) of the CLA-enriched yogurt was the lowest among the studied samples, meaning the enriched yogurt is more creamy than the commercial products. These observations gave us the hope that, in this case, the texture of enriched product will not present any drawback related to consumer quality judgment.
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