Milk is considered as a primary source of nutrition for children and adults. Here is information about protein content of milk.

Protein Content of Milk

Milk is considered as a primary source of nutrition for children and adults and contains a number of antibodies which reduces the risk of diseases and also helps build stronger bones along with a better immunity system. Throughout the world, there are more than 6.5 billion consumers of milk and milk products like yoghurt and cheese. A key contributor in the food chart, milk is one of the most beneficial foods in terms of eradicating malnutrition/diseases, because it contains 3.3% of total protein. Apart from overall health, milk definitely serves as one of the most excellent sources of proteins and contains all the 9 amino acids required by humans. Though it doesn't contain a large quantity of proteins, the quality of proteins that it provides the body with, is simply astonishing, along with other added benefits. Most milk proteins like caseins and whey are synthesized by epithelial cells in the body and are then absorbed into the bloodstream. Proteins in milk contain all the essential amino acids that the body requires in terms of cell repair and growth. If you would like to learn more about the protein content in milk, scroll further.

Protein Content In Milk

Milk (1 cup) Protein (g)
Milk, reduced fat (2 percent) 8.13g
Milk, low fat (1 percent) 8.03g
Milk, non-fat (skim) 8.35g
Milk, evaporated, non fat, canned 19.33
Milk, evaporated, condensed 24.2g
Milk, buttermilk 8.11
Milk, chocolate, regular 7.93
Milk, soy 6.74g

Milk Proteins

One of the major proteins present in milk is caseins and is found in milk in the form of ‘Micelle’, a protein granule. The casein family consists of several types of caseins with its own amino acid compositions and genetic variations. Caseins are one of the biggest sources of nutrients for bones and the blood and supply a rich source of amino acids, phosphate and calcium.

Serum (Whey)
Serum or ‘Whey’ as it is popularly called, is one of the other major milk proteins and comprises of 50% of total protein content in milk. It is not a fatty protein, but a lipid-binding one—one that ensures tissue repair and aids in the production of immunoglobins in the body. Certain types of whey proteins found in milk are ‘Lactablumin’ and ‘Serum Albumin’.

Other Milk Proteins
There are a number of important milk proteins that cater to different functions in the body. Proteins like ‘Lysozomes’, ‘Lactoperidoxase’ and ‘Microglobulins’ are required for epithelial cell growth and antibacterial properties. ‘Lactoferrin’ is another important protein in milk that is required for building iron and helps in building resistance towards diseases.

In order to build muscle in one’s body, one of the best possible combinations with egg protein is the protein from milk. These two are without doubt, the best sources of proteins in the form of whey and casein. Since milk does not contain a great amount of protein, it is best if consumed in combination with other protein-source, in this case, egg whites, chicken or any other lean meat.

Any weight-bearing activity, such as resistance training, causes muscle tissue to break down or tear. Your muscles use the amino acids from the proteins to repair itself and grow stronger during rest. Any sort of protein deficiency halts cell/muscle growth and may lead to the reduction of muscle mass, which is required for strength and immunity. Thus, in order for healthy tissue repair and the re-growth of new cells, it is necessary to replenish the body with adequate milk.

Daily Needs For Children & Adults
Protein is an essential component for growing children, especially children between the ages 1-5. It is believed that children between the ages 1-5, require 1.05 g of protein per kg of body weight, while children from 5-13, require 0.95 grams of protein per kg of body weight.

Similarly, the protein content for adults varies according to the age and fitness regime. It is said that adults should consume at least 0.8 g of protein per kg of body weight and if an adult practices a rigorous exercise regime, the protein content required for the body from milk will be a lot higher for muscle synthesis. Thus, it is important for people of all ages, be it children or adults, to get the necessary protein from milk on an everyday basis.

The total protein content of milk is comprised of numerous specific proteins. The primary groups of milk proteins are caseins and all other proteins are grouped under whey proteins. These not only help in fighting off diseases but are absolutely essential for cell/tissue growth, digestion and a systematic immune response. Hope the article above has familiarized you with the protein content of milk and its properties.