Every 100ml of milk contains 3.2g of protein. Yili skimmed pure milk has 250ml in a box, and the total protein content in that box is as high as 7.5g. This protein content is not low, but there are many pure milk with this protein content on the market. At present, pure milk on the market does not add food additives. The national regulation on pure milk is that only raw milk can be used in the ingredients, and there can be no other ingredients, even water. So you can rest assured that pure milk is additive-free. Some modified milk has added food additives, so you don't have to worry. The food additives in milk can be safely eaten. Protein is the main nutrient component in fat milk. Fat is now regarded as a health killer, and generally does not care whether the fat content exceeds the standard. protein is the main nutrient component for us. There are several detection methods for protein, each with its own advantages and disadvantages. The kjeldahl method is widely used in food industry and is regarded as the national standard.