NTR 301 1st edition Lecture 1 Outline of Current Lecture I What is nutrition A Definition of assimilate B Definition of nourish II Nutrients A Non essential essential and phytonutrients B Macro and Micronutrients 1 Amount of calories in a gram of each macronutrient Current Lecture What is nutrition The process an organism uses to digests food Assimilates To digest food Nonessential nutrient The body makes this nutrient and it is not necessary to obtain it from food This is important for development Example Cholesterol Phytonutrient Compounds in food that aren t necessary for development but could possibly prevent certain diseases Example Lycopene compound found in tomatoes Essential Nutrients Essential nutrients Must be obtained from food Example protein calcium Macronutrients Inhabits the body in large amounts compared to micronutrients DRIs that are large Food usually has large amounts of these Measured in grams These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute They are Protein Carbohydrates Lipids and Water Macronutrients provide energy Energy is measured in calories How many calories are in 1 gram of each macronutrient Carbohydrates 4 calories gram Protein 4 calories gram Fat 9 calories gram Alcohol is not a macronutrient but is included as a calorie source because it adds calories 7 calories gram
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