# Calculating Fat and Protein Content in Food

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Calculating Fat and Protein Content in Food MAT 126 09-18-12 Using the formula in Bluman’s “Are You Sure It’s Fat Free?” article, you can accurately calculate the percentages of fat from fat and fat from protein, as well as the percentage of calories from fat and calories from protein. In order to properly calculate these percentages, you will need to pull some important information off the Nutrition Label, particularly the fat (g), calories, calories from fat and protein (g). The food items that I chose to compare to the formula outlined in “Are You Sure It’s Fat Free?” (Bluman, 2005,p.236), Strawberry Oatmeal, Mountain High fat free vanilla yogurt, and Skippy peanut butter. Here is the information from the Nutrition Label Item | Fat (g) | Calories | Calories from fat | Protein (g) | Strawberry Oatmeal 2 130 20 3 | Pita Chips 3 110 25 4 | Skippy Peanut Butter 16 190 140 7 | The numbers required for the conversion are 9 and 4, which were outlined in the assignment in “Are You Sure It’s Fat Free?” (Bluman, 2005,p.236) To calculate the percentage from fat we need to first multiply the fat (g) by 9. Item | Fat (g) | Factor | Actual calories from fat | Strawberry Oatmeat 2 x 9 = 18 | Pita Chips 3 x 9 = 27 | Skippy Peanut Butter 16 x 9 = 144 | Next, to get the percentage of the calories from fat, multiply the actual calories from fat listed above, by the calories from the