Biological value is used to measure the quality of

Concept:

Biological value:

• It is defined as the proportion of protein retained in the body for growth and maintenance and expressed in the per cent of nitrogen absorbed.

• Biological value is the value that tells us how efficiently the body has absorbed the protein from the consumption through the diet.

Explanation:

​Protein:

• Protein is a polymer of amino acids.
• Dietary proteins are the source of essential amino acids.
• Proteins carry out many functions in living organisms such as transporting nutrients across the cell membrane.
• Protein also helps in fighting infectious organisms.

Thus, biological value is used to measure the quality of proteins.

 Additional Information

Carbohydrates:

• Carbohydrates are the source of energy for the body of living beings.
• Some common examples of carbohydrates are cane sugar, glucose, starch, etc.

​Vitamins:

• Vitamins are accessory food factors required in the diet.
• They are classified as fat-soluble (A, D, E, and K) and water-soluble (Β group and C).

Fat:

• Fat is an important macronutrient.
• It is also an important part of the diet for all animals and humans.
• Body stores fat for protection, warmth, and energy.
• Different types of fats, which are saturated and unsaturated, keep our bodies healthy in different ways.