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The research was aimed at determining the effect of high-pressure homogenization (100 MPa) on the stability of proteins and equilibrium of mineral salts in skim milk and milk standardized to fat content of 2% and 4%. High-pressure homogenization of skim milk evoked a slight increase in the content of protein compounds sedimenting during ultracentrifugation and in a degree of their hydratation. In...
This study addressed a comparative analysis of selected characteristics of technological usability of milk of Jersey (Je) and Holstein-Friesian (hf) cows. Milk of Je cows was characterized by a higher content of total nitrogen and casein nitrogen as compared to that of hf cows, however, the casein number was similar for both breeds of cows. Heat stability of the milk of Je cows was twofold higher,...
The effect of high-pressure (100 MPa) homogenization on some properties of the emulsion phase and colloidal phase of milk standardized to 2% fat or 4% fat were determined in the study. High-pressure homogenization caused a decrease in the size of fat globules and an increase in the level of protein compounds bound to the milk fat fraction, dependent upon the fat content of milk. The process resulted...
The paper estimates the effect of high-pressure homogenization (20-140 MPa) on selected whole milk properties. High-pressure homogenization did not have a clear effect on the milk acidity. However, a slight increase in viscosity and a clear decrease in milk heat stability were observed along with an increase in the applied pressure. On the basis of a microscopic analysis and the measurement of the...
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