Unit 4 Flashcards
Milk and alternative servings per day
Teens 3 to 4 and adults 2 to 3
Grain products servings per day
6 to 8
Vegetables and fruit servings per day
7 to 10
Three basic needs for food
Energy, tissue growth and repair, regulation and maintenance of cellular functions
Six classes of nutrients
Carbohydrates, proteins, fats, vitamins, minerals, water
Carbohydrates
Preferred fuel for producing ATP, during digestion cars are broken down into simple as sugars and released into the bloodstream, main source for fuel for the brain and working muscles good sources are fruits vegetables and whole grains
Proteins
Made up of 20 different amino acids, primary function of protein is gross, tissue repair, blood clotting, transportation nutrients, synthesis of enzymes, anti-bodies, hormones, hemoglobin production. Protein will be used for fuel only if not enough carbs
Fats/lipids
Made up of fatty acids building blocks of fat, most energy dense and efficient of nutrients, insulates body protects internal organs
Saturated fat
Bad fat known to increase low density lipolipids cholesterol, saturated with hydrogen, found in animal fats and dairy products
Unsaturated fat
Good fat, one or more hydrogen Atoms missing, liquid. Found in all of oil canola oil peanuts avocados nuts seeds and fish
Trans fats
Mainly artificially hydrogenated found in fast food and pastries
Vitamins
Function of vitamins are varied. Assist in: normal vision, reproduction, or maintenance of skin, formation of red blood cells. Assistant energy metabolism
Minerals
Elements found in foods that combined to form structures in the body example of calcium in the loans and iron in hemoglobin.
Water
Second only to oxygen for sustaining life, cancer by without food greater than 30 days cancer five without water for Macs one week. During intense exercise can lose 1 to 2 L of water per hour, important for temperature regulation removal of waste products and pH balance
Energy content of food: carbohydrates
1 g equals 4 kcal