Question

which unit is used to measure energy in food items

Answer 1

Answer:

which unit is used to measure energy in food items

Answer 2

Answer:

The unit used to measure energy in food items is a calorie(cal) or kilocalorie (kcal).

Explanation:

Nutrition can be defined as the science of study of nutrients and food which are essential for the proper functioning of the body.

The amount of calories in the food is determined by drying up the food and burning the dried food in a device known as a bomb calorimeter. The energy thus obtained from food is used to burn water and the change in temperature shows the number of calories spent.

One calorie is defined as the amount of energy required to increase the temperature of one gram of water by 1°C.

                                  1 calorie=4.2 Joule

In the case of food items,

                                 1 food calorie=1000 calorie

Packaged food items contain nutrition labels where the facts about the nutrients such as the number of calories present in food, and calories per gram of energy sources like carbohydrates, fats, etc. are mentioned.

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