NUTR 205 1nd Edition Lecture 2 Outline of Last Lecture I Nutrition Terms II Non nutrient substances in food thought to be beneficial to the human body III Functional foods IV What influences food choices V Classes of Nutrients Macronutrients carbohydrates Outline of Current Lecture VI Classes of Nutrients Macronutrients Lipids VII Classes of Nutrients Macronutrients Lipids VIII Classes of nutrients Micronutrients IX Nutrient functions Current Lecture Classes of Nutrients Macronutrients Lipids o Commonly known as fats Includes cholesterol o Contains same molecules as carbohydrates o Hydrophobic Does not dissolve in water o Source of energy 9 kcal gram Classes of Nutrients Macronutrients Lipids o Protein contains Carbon hydrogen oxygen and nitrogen Nitrogen is unique to proteins o Predominantly found in animal based products o Does provide energy 4 kcal gram Classes of nutrients Micronutrients o Micronutrients provide no energy but are necessary for proper functioning of the body o Micronutrients are Vitamins 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 Minerals o Required in small amounts in diet but are important for good health o Functions Regulation of processes within the body Minerals provide structure Nutrient functions o Energy primary is carbs Calorie kilocalorie kcal 1000 calories Measure of energy in food Carbohydrate protien lipids o Structure Bones hair skin Muscles Cell membranes and shape Carbohydrates protiens lipids water minerals