NFS 207 Lecture Notes - Lecture 2: Calorie, Cardiovascular Disease, Skeleton
29 Jan 2017
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Document Summary
Food provides nutrients needed to fuel, build and maintain all body cells. Most diseases are directly a result of eating. Essential nutrients- substances that the body cannot make or makes too small. Removing it from the diet leads to a decline in biological function. Macronutrients- (carbs, fats, proteins) needed in large amounts. Calorie- amount of heat it takes to raise temperature of 1 gram of water by 1 c. Grams x kcal kcal divided by kcal per gram. 10 grams carb: 10g x 4 kcal/g = 40 kcal. 2g protein: 2g x 4 kcal/g = + 8 kcal. 228 total kcal, 108 kcal from carb, 180 kcal from fat. 180 divided by 228 = 0. 625 x 100% = 62. 5% Jane consumed 230 grams of carb and total 2000 kcal. 230g carb x 4 kcals/g = 920 carb kcal. 920 kcal from carb divided by 2000 total = 0. 46. 2 types: simple (sugars) and complex (starch in grains)
