NUTRITION
Definitions Nutrition The science of food and how the body uses it in health and disease Food Any substance that is ingested and sustains life. Nutrient A substance found in food that is used by the body to meet important needs
Essential Nutrients Function Food Examples Location of breakdown in digestive system Broken down into Calories per gram (cal/g) Proteins Construct and repair cells Meat Beans Nuts Stomach Small intestine Amino acids 4 Fats (lipids) Energy Butter, oil Cheese Glycerol and fatty acids 9 Carbohydrates Grain products Fruits Veggies Mouth Glucose Vitamins Regulate metabolism X Minerals Fruit Meat, milk Water Almost everything
Miscellaneous Energy requirements between 1800-3500 cal Food groups- see page 166 Good cholesterol (HDL) vs. Bad (LDL) Fibre Antioxidants