NUTRITION Elena Qian Computers 8
Carbohydrates Supply energy to the body through calories Supply energy to the body through calories Found in most foods Found in most foods Filled with essential vitamins, minerals, and fibre Filled with essential vitamins, minerals, and fibre Make up 45-60% of consumed calories Make up 45-60% of consumed calories Two types: Two types: –Simple sugars –ComplexStarches Sources: Sources: –Grains, pasta, veggies & fruit, candies, etc…
fats Stores energy for body Stores energy for body Helps prevent your body against shock Helps prevent your body against shock Uses fat when lack of food is present Uses fat when lack of food is present Women~ 25-31% & Men~ 18-25% Women~ 25-31% & Men~ 18-25% 3 Types of fats: 3 Types of fats: –Saturated, trans, and unsaturated Sources: Sources: –Butter, oil, nuts, meat, and some dairy products
Protein Builds up/ maintains/ replaces tissues in body Builds up/ maintains/ replaces tissues in body Allows you to move body parts & fight infection Allows you to move body parts & fight infection Makes up most of your body Makes up most of your body –Immune system, muscles, and organs 2 types 2 types –Complete (animal) –Incomplete (vegetables) Sources: Sources: – beef, poultry, fish, eggs, dairy, nuts & vegetables
Fibre Digests food while fights constipation with liquid Digests food while fights constipation with liquid Lowers cholesterol, prevents cancers & diabetes Lowers cholesterol, prevents cancers & diabetes Filling yet contains no calories Filling yet contains no calories 2 types: 2 types: –Soluble (able to dissolve) –Insoluble (non dissolvent, being absorbed) Sources: Sources: –Whole grain products (cereals) and fruit (pumpkin seed) –Cell walls of plants
vitamins Boosts immune system/help cells & organs function Boosts immune system/help cells & organs function Needed for proper growth and development Needed for proper growth and development Organic components in food Organic components in food 2 types: 2 types: –Fat soluble (fat dissolvent & to be stored) –Water soluble (water dissolvent & urine flushed) Sources: Sources: –green leafy vegetables, broccoli, soybeans & pills
Dietary minerals Essential chemical elements other than carbon, hydrogen, nitrogen & oxygen Essential chemical elements other than carbon, hydrogen, nitrogen & oxygen Supplements provide non-produced nutrients Supplements provide non-produced nutrients Calcium/magnesium/potassium/sodium/zinc/iodine/ Calcium/magnesium/potassium/sodium/zinc/iodine/ Like vitamins, obtain from food or pills Like vitamins, obtain from food or pillsvitamins Sources: Sources: –Milk, yogurt, & leafy vegetables high in calcium
water Fight off illness in immune system with lymph fluid Fight off illness in immune system with lymph fluid Every cell depends on it to perform up to standard Every cell depends on it to perform up to standard Needed in digestion and “waste” elimination Needed in digestion and “waste” elimination Key element in survival Key element in survival More than half your weight More than half your weight Sources: Sources: –Milk, soda, fruits, vegetables, any drinkable fluid
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