What is the biological value?

The biological value is a term applied to specific proteins that describes the degree to which the body can absorb and use the protein. When proteins are absorbed from food, the body breaks them and uses them to produce more proteins. Proteins in some foods can be divided and used much more than protein in other foods. For example, eggs contain significantly more protein than white flour, so eggs have a higher biological value. People who want to build muscles require a large amount of protein in their diet; They often consider the biological value of food that decide to eat.

Two different scales are used to measure biological value. The first is simply a percentage -based scale; A protein that is absorbed completely would be given 100% value, while a protein that is only half absorbed would be given 50% of the value. The second scale sets some particular protein as 100 marks (the percentage usually omitted on this scale) and measureOther proteins on the basis of this. The eggs are often assigned to the eggs 100 because they have a high biological value. Protein that is absorbed to a greater extent could then be above 100.

proteins are usually the main source of nitrogen in the individual's diet, so the nitrogen concentration is used to measure the biological value. The amount of nitrogen in the proteins of the food is measured, as well as the amount of nitrogen, which eventually excludes the body. With this measurement method, the protein is actually the only source of nitrogen in its diet. This implies that the amount of protein can be calculated from the difference between the amount of nitrogen in the initial protein and the amount of nitrogen excreted. Uncovered nitrogen belongs to proteins that are divided and used for Construct Other Proteins in the body.

This method of measuring biological value has its weaknesses. Age, weight, pHeat, general fitness and many other factors can affect the rate to which proteins are absorbed in the body. Studies concerning biological value are therefore usually quite strict; Test entities are on a strict diet and do not deal with strenuous activities that could lead to the use of protein as an energy source. Such measures generally lead to relatively accurate results.