Why gross calorific value ia higher than the physiological value of protiens
Answer (1)
29th Feb, 2020
Hello,
Energy released on Complete combustion of one gram of food is called Gross Calorific Value.
Gross calorific value of proteins - 5.65 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 proteins - 4 kcal/g
Gross Calorific Value is Measured using Bombs Calorimeter or other lab equipments where as Physiological Value is the actual amount of energy liberated.
Since Gross Calorific Value is measured using equipments, the value given by it is slightly higher than the physiological value which is exact .
Hope this was helpful
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