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Aleks04 [339]
3 years ago
12

One of the reasons we eat food is to gain energy. How can we calculate the amount of energy that a food contains?

Biology
1 answer:
Serga [27]3 years ago
3 0

Answer:

By calculating the total calorific value of each food ingredients

Explanation:

Food’s energy content is due to its calorific values or the amount of calories it it. Carbohydrate, protein and fat are the major constituents of a food. Suppose, the amount of carbohydrate, protein and fat intake in an adult is  equal to X, Y and Z grams  

In one gram of carbohydrate , protein and fat there are 4 , 4 and 9 calories per gram  

Thus, the total calories in the food of adult will be equal to  

(X * 4 + Y * 4 + Z* 9) calories

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