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- Decreasing order of gross calorific value for the following is: Option: 1 Carbohydrates > Fats > Porteins<div class=
Decreasing order of gross calorific value for the following is:
Carbohydrates > Fats > Porteins
Fats > Carbohydrates > Proteins
Proteins < Carbohydrates < Fats
Fats > Proteins > Carbohydrates
Answers (1)
The decreasing order of calorific value is
Fats > Proteins > Carbohydrates
Calorific value refers to the amount of heat liberated from the complete combustion of 1 g of food or fuel in a bomb calorimeter. The highest calorific value is also known as gross energy or gross calorific value. The gross calorific value of fats is 9.45 kcal/g, for carbohydrates, it is 4.1 kcal/g and for proteins, it is 5.65 kcal/g.
Carbohydrates are the source of energy required by our body, even though it has less calorific value than fats, i.e. 4.1 kcal/g .
Proteins are also the source of energy required by our body, having calorific value of 5.65 kcal/g.
Vitamins are required by our body for proper functioning and protecting organs and do not have any calories.
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