Wangzai milk has certain nutrition, but its nutritional value is not high. Wangzai milk is made from raw milk into milk powder and then liquefied into liquid milk. After two ultra-high temperature treatments, the nutrients in Wangzai milk were greatly lost. The nutrients in pure fresh milk are basically preserved, so drinking Wang Zi milk regularly will not be bad for your health, but the nutritional value is not high.

Production technology of Wangzai milk

After sterilization, the cooled milk will be used for aseptic filling. Although most microorganisms have been eliminated, they may still be contaminated in various operations in the future. In order to inhibit the growth of bacteria in milk and extend the shelf life, it is still necessary to cool it in time. Usually milk is cooled to about 4 degrees, and ultra-high temperature milk and sterilized milk are cooled to below 20 degrees.

The main purpose of filling is to facilitate retail, prevent foreign impurities from mixing into finished products, prevent microbial re-pollution, preserve flavor, prevent odor from absorbing external odor, and prevent the loss of vitamins and other components.

Glass bottle packaging can be recycled many times, which is non-toxic and will not react with milk. It has high smoothness and is easy to clean. Its disadvantages are high quality, high transportation cost, easy exposure to sunlight, bad smell, loss of nutrients and serious microbial pollution of recycled empty bottles. Generally, the ratio of the volume of a glass bottle to the inner wall is four times that of a milk tanker.