Nutritional Sciences: From Fundamentals to Food, Enhanced Edition
Nutritional Sciences: From Fundamentals to Food, Enhanced Edition
3rd Edition
ISBN: 9781337486415
Author: McGuire
Publisher: Cengage
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Describe the difference between enrichment and fortification. Know how to calculate total calories and % calories from each nutrient if given the macronutrient breakdown of an individual’s diet. Define dietary CHO and fiber recommendations (DRIs, AMDR, Dietary Guidelines). Describe patterns of dietary CHO intake in the United States and globally. Describe why added sugar is recommended to be “limited”. Describe typical recommendations and rationale behind a high-CHO vs a low-CHO diet. Define GI and GL. Describe the purpose of artificial sweeteners and why there is concern regarding consumption in high amounts.
CALCULATING MACRONUTRIENT REQUIREMENTS 1. Calculate the macronutrient requirements of a 26-year-old male gym instructor whose TCR is 2,800 kcal per day using the following distribution: Carbohydrate: 50% Fat: 20% Protein: 30%   2. Calculate the macronutrient requirements of a female with a height of 5'6" and moderate physical activity using the following distribution: Carbohydrate: 60% Fats: 20% Protein: 20%
The thermic effect of food is a term used to describe the energy cost of processing the food we eat, digesting it, and either turning it into precursors for needed biosynthesis, usable energy in the form of ATP, or storing the excess intake as fat. The thermic effect is usually approximated at 10% of the total calories consumed, but the thermic effect of fat is only 2-3% of total fat calories while the thermic effect of protein is 30% or more of calories consumed as protein. In your opinion, why dietary protein has a much higher thermic effect than dietary fat?
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