Lesson 1 - Principles Of Nutrtion & Hydration Flashcards
Definition of calories (cal)
1 calorie is the amount of energy required to raise the temperature of 1g of water by 1 degree
Definition of Kilocalories (Kcal)
1 Kilocalories is the amount of energy required to raise the temperature of 1 litres of water by 1 degree. Equal to 1000 calories and is used to state the value of energy in food
Definition of joules (j)
Moves a mass of 1g at a velocity of 5 m/s. Approx 4.2 Joules = 1 calorie
Definition of kilojoules (kJ)
Unit of energy, equivalent to 1000 joules
What does RDA stand for
Recommended daily allowance
What does DRV stand for
Dietary reference values
Average amount of calories for a male
Between 2300 and 3200
Average amount of calories for a female
Between 2000 and 2500 calories
How much protein should an individuals consume
Approx 0.75g per kg body weight
On average what percentage of an individuals diet should be carbs
50%
On average what percentage of an individuals diet should be fat
No more than 35%
What does si stand for
Safe intake