Question

Difference between calorific value and physiological value of food
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Answer 1

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Calorific value :- The energy released by complete combustion of one gram of food is gross calorific value.

Physiological Value :- The actual amount of energy liberated in the body from carbohydrates, proteins and fats is called physiologic value of food.

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Answer 2

Answer:

Term for the physiological value of a food, depending on the quantity and ratio of its ingredients. ... The usable energy is called the physiological calorific value. This value corresponds to its energy content when "burned" in the body; the evaluation of this combustion is called quantitative nutritional value.

Explanation:

The energy released by complete combustion of one gram of food is gross calorific value.

Gross calorific value of carbohydrates - 4.1 kcal/g

Gross calorific value of proteins - 5.65 kcal/g

Gross calorific value of fats - 9.45 kcal/g

The actual amount of energy liberated in the body from carbohydrates, proteins and fats is called physiologic value of food.

Physiologic value of carbohydrates - 4 kcal/g

Physiologic value of proteins - 4 kcal/g

Physiologic value of fats - 9 kcal/g

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