Protein Sparing action of carbohydrate

Protein sparing action means the process by which the body derives energy from sources other than protein. These sources can be carbohydrates, and also dietary fat, and fatty tissues of the body.

Protein sparing action of carbohydrates

Non-nitrogenous foodstuffs have the potential to spare protein such non-nitrogenous foodstuffs are different sources of carbohydrates and fat. Carbohydrate and protein both contribute 4 kcal per gm, but the primary function of carbohydrates is to provide energy to carry out daily activities of an individual. Whereas the primary function of protein is growth and maintenance of tissues. Primarily protein does not contribute to energy production if the dietary carbohydrate is sufficient to full fill the daily energy requirement, protein only provides energy when the diet is inadequate in carbohydrate and fat. As our diet is designed in such a pattern that our daily need for energy is full filled with carbohydrate and fat and spare the protein for its essential functions or primary functions, that is, growth, development, maintenance of tissues, wound healing, transportation of nutrients, formation of essential components. This action of carbohydrate to provide the maximum energy and leaving the protein to carry out its primary function is known as the protein sparing action of carbohydrate.

When glucose is not available in sufficient amount in the body, the proteins (amino acids) in the body undergo amination and gluconeogenesis to synthesize carbohydrates to compensate for the lack of protein in the body but when people take a sufficient amount of carbohydrates in their diet, in that situation proteins will not undergo oxidization to form carbohydrates.

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