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This 2 page Class Notes was uploaded by Myrissa Webb on Tuesday August 23, 2016. The Class Notes belongs to ntri 2000 at Auburn University taught by Dr. Kevin W Huggins in Fall 2016. Since its upload, it has received 14 views.
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Date Created: 08/23/16
What is a calorie? Measurement of energy "the amount of heat it takes to raise the temperature of 1 gram of water by 1 degree Celsius 1,000 calories = 1 kilocalorie = 1 (food) Calorie In nutrition when talking about food, they are actually talking about the kilocalorie. They distinguish the kilocalorie with a capital "C" Energy-Yeilding Nutrients 1 gram of ANY carbohydrate is 4 kcals 1 gram of ANY fat is 9 kcals 1 gram of ANY protein is 4 kcals 1 gram of ANY alcohol is 7 kcals Meals for a typical day contains: 300g carbs 300(4)=1200 90 g fat 90(9)=810 123 g protein 123(4)=492 2,502 We don’t all have the same allowance for calories. Variables: Age, Gender, Height, Weight, Exercise Nutrition Facts They round up and down. Technically the calories are 81. The typical American diet: Carb = 50% (Recommended 45-65%) Fat = 33% (Recommended 20-35%) Protein = 16% (Recommended 10-35%) We are technically in the guidelines The recommended is not very useful, too big of a range This doesn’t look at the type of carbs, fats, and proteins. They could be eating all candy, bacon, and butter Energy Calculations What portions of total energy is contributed by the various energy yielding nutrients? 290g carb = 1160 1160/1980 = 59% 60g fat = 540 540/1980 = 27% 70g protein = 280 280/1980 = 14% 1980 Why am I so hungry? What drives us to eat? What affects our food choices? 2 Drives o Hunger: Physical biological drive to eat o Appetite: Psychological drive to eat Satiety o No longer a desire to eat o Feeling of satisfaction o Controlled by the hypothalamus o Meal size and composition Protein and fat have a satiety affect on the body Carbs is the worst o Hormones What has an impact on your food choice? Food cost Culture Social Network: Friends and Family Lifestyle Food Marketing Food Availability Psychological needs Social needs Education, Occupation, Income Routines and Habits Health and Nutrition Food flavor, texture, appearance, and preferences
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