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Energy from food (Factors that influences individual energy requirements…
Energy from food
Factors that influences individual energy requirements
Age
An adult needs requires more energy than a child due to a larger body frame.
Gender
Males require more energy than females as they generally have more muscle mass.
Size
(Height and Weight) A taller and heavier person requires more energy than a shorter and lighter person.
Level Of Activity
A physically active person requires more energy than a less active person
Occupation
Jobs which involve manual labour requires more energy than desk-bound jobs.
Unit conversion/ Unit for energy
Calorie (cal) / kilocalorie (Kcal)
Joules (J) / Kilojoules (kJ)
1 kcal = 1000 cal
1 kJ = 1000 J
1 kcal = 4,2 J
How does cooking effect energy value in food
The higher the amount of fats used in cooking the higher the energy value of the food
Energy balance
How to obtain energy balance.
Energy input=Energy output