Nutrition

1
Nutrition

• How many calories are there in a Cheeseburger
  that contains
• 15 g of protein
• 36 g of carbohydrates
• 13 g of fat

2
Calculations

• 15g x 4kcal/g 60 kcal
• 36g x 4kcal/g144 kcal
• 13g x 9kcal/g117 kcal
• Total calories 321 calories

3
Calculate grams of Carbohydrate

• If a person needs 2500 kcal a day, calculate the
  number of grams of carbohydrate necessary to meet
  the 55 recommendation
• 2500 x .55 1375 kcal
• 1375kcal x 1g/4kcal344grams
• Hint kcal?grams divide
• Grams?kcal multiply

4
Exchange system

• Uses approximation method
• 1 carbohydrate exchange 15g
• Using the exchange system how many grams of
  Carbohydrate are in the following meal
• 2 slices of whole wheat bread
• 1 oz of cheese
• 1 pat of butter
• ½ cup of orange juice

5
Calculationsexchange

• Bread 2 x 15 30
• Cheese0
• Butter0
• ½ cup of orange juice 1 x 15
• Total45 grams of carbohydrate

6
How many carbohydrate kcalories are in this meal?

• 4kcal/1g x 45grams180 kcalories
• Remember grams? kcalories multiply

7
Fat calculations

• 1 fat exchange8 grams of fat
• Using exchange system how many grams of fat are
  in this meal
• 2 slices of whole whet bread
• 2 tbsp peanut butter
• 1 tbsp jelly
• 1 cup of whole milk

8
Calculations

• Bread0
• Peanut butter 2x 816g
• Jelly 0
• Whole milk1 x 88
• Total 24g of fat
• Total kcalories in fat 24g x 9kcal/1g216kcal

9
Percentage

• The meal above provides 570kcal. What percentage
  of kcalories is from fat?
• 216kcal/570kcal38

10
Hope this helps