Liquid milk product and preparation method thereof

[0071] Embodiment 1-5

[0072] In this example, the milk is prepared according to the following steps, where the semi-finished product is provided by raw cow's milk:

[0073] (1) performing the first centrifugation and filtration treatment on 10 tons of raw milk, and performing the first mixing treatment with the obtained mixture and 40 tons of raw milk to obtain a protein retention solution;

[0074] (2) 12 tons of raw milk are sequentially subjected to the second centrifugation, the second homogenization and the second pasteurization treatment;

[0075] (3) carrying out the second mixing treatment with the mixture obtained in step (2) and the protein retention solution;

[0076] (4) subjecting the mixture obtained in step (3) to first homogenization, first pasteurization and ultra-high temperature sterilization to obtain a sterilized product; and

[0077] (5) The sterilized product obtained in step (4) is subjected to a third homogenization treatment, and the obtained mixture

[0098] Example 6

[0099] The main components of the liquid dairy products obtained by the methods of Examples 1 to 5 and Comparative Examples 1 to 8 are as shown in Table 2. It can be seen that the obtained liquid dairy products of the present invention have high protein, high calcium, low Fat and low lactose properties.

[0100] Table 2 Main ingredients in liquid dairy products

[0101]