Energy & Calorie Flashcards
Is calorie and energy equivalent?
YES
The capacity to do work.
Used in voluntary and involuntary activities
Energy
Unit of measure of energy
Kilocalories (Kcal) or Joule
Conversion of Kcal and Kj
1 Kcal = 4.18 Kj
2 methods of measuring energy in food
- Direct
- Indirect
Type of method to measure energy in food using a calorimeter
Direct
Type of method to measure energy in food using food composition table (FCT) and oxycalorimetry
Indirect
What is the physiological fuel value of Carbohydrate? (kcal/g)
4 kcal/g
What is the physiological fuel value of Protein? (kcal/g)
4 kcal/g
What is the physiological fuel value of Fat? (kcal/g)
9 kcal/g
What is the % Disgestibility of CHO?
98%
What is the % Disgestibility of CHON?
92%
What is the % Disgestibility of FAT?
95%
When the energy consumed is equal to the energy expended, the person is on ____ and the body weight is stable.
Energy Balance
Energy in = Energy out
Energy Balance