NUTRITION The study of food and the effects of food on health

Statement of Objective By the end of this lesson, you will be able to select healthy foods from a variety of sources.

6 classes of Nutrients A Nutrient is a substance in food that: 1. *Builds, repairs and maintains body tissues 2. *Helps with the bodies processes 3. *Provides energy

6 classes of Nutrients 1. Proteins 2. Carbohydrates (Carbs) 3. Fats 4. Vitamins 5. Minerals 6. Water

Proteins Nutrients that are needed for the growth & repair of body cells Proteins make up your muscles, skin, nails, & hair

Sources of Proteins Chicken Turkey Beans Beef Cheese Seeds Fish Eggs Tofu Milk Pasta Rice

CARBOHYDRATES Nutrients that are the main source of Energy. Sugars, starches and Fiber are Carbohydrates. Fiber is a part of grain & plants that cannot be digested

Sources of Carbohydrates FruitVegetables CerealPotatoes PastaBreads RicePopcorn

FATS Fats are nutrients that provide energy to the body and help the body store vitamins.

Sources of Fat Good FatsBad Fats Soybean oilButter WalnutsIce Crème SoymilkCandy bars AvocadosMargarine Peanut butterFried foods OlivesSnack foods Sunflower seedsPastries

Vitamins Vitamins are nutrients that help the body use proteins, carbs & fats

Vitamins Vitamin C – Helps the heart cells & muscles function. Sources – Citrus fruits, Green vegetables Vitamin A – Healthy eyes, skins & hair Sources – Butter, Green vegetables

Vitamin D – Formation of bones & teeth Sources – Dairy products, fish- liver oil Vitamin K – Normal blood clotting Sources – Liver, Green vegetables

Vitamins Vitamin E – Normal cell function Sources – Whole grains, Green vegetables

MINERALS Minerals are nutrients that are involved in many of the activities in the body.

MINERALS Calcium - Needed for strong bones & teeth Found in - Milk, cheese, clams, Oysters Iron - Function of blood cells Found in – Lean meats, Green vegetables

MINERALS Potassium – Fluid balance within cells Found in – Fruit Milk, meat, cereals Iodine - Function of thyroid gland Found in – Iodized salt, clams, lobsters

WATER Water makes up blood, helps digest food, helps with waste removal, keeps body temperature healthful, cushions the spinal cord and joints.

Sources of Water Fruits Vegetables Soup Juice