nutrition+class+notes


 * nutrition
 * food labels
 * look for the amount of servings per container
 * calories
 * a measure of energy
 * fat will be the main thing on there
 * sugar will make you gain weight... not the fat
 * eating fat isnt bad... eating carbs will lead to fat
 * fiber
 * the cell walls
 * a carb... but not sweet
 * it cleans out your insides because you cant digest it
 * fat
 * there are two types of bad
 * saturated
 * solid at room temp
 * it comes from animals
 * linked with cancer and heart disease
 * have more hydrogen than unsaturated- allows the fat molecules to stack up
 * avoid:
 * butter
 * fried stuff
 * Crisco
 * packaged foods
 * trans
 * when you take an unsaturated fat and make it unsaturated
 * man made solid fat
 * make a fat that doesn't exist in nature
 * its made so that no bacteria can eat it
 * even worse in terms of disease
 * the food lasts longer
 * the worse for you
 * good fat
 * unsaturated
 * come from plants
 * liquid at room temperature
 * have less hydrogen and are crooked so they cant stack
 * good oil
 * olive oil
 * vegetable oil
 * peanut oil
 * sesame oil
 * need fat in diet because it stored long term energy and creates coverage for muscle and tissuse and helps the membrane of the cells- creates a healthy membrane with a good structure
 * cholesterol
 * its a lipid (fat)
 * not used for energy
 * it is a building block in your body
 * its associated with disease
 * diets high in cholesterol is bad
 * it comes from animals- avoid animal fat!
 * sodium
 * it absorbs the water and makes your blood thicker
 * leads to heart disease because it puts pressure on your heart
 * lose sodium when you sweat
 * you need some salt to hold the water in to hydrate you
 * carbohydrates
 * fiber
 * from the cell walls of a plant
 * bread
 * salad
 * good for you
 * cant digest it... so it cleans out your large intestine
 * sugar
 * pure white sugar
 * bad for you
 * like a drug and out body is not good at handling all of the sugar in the body
 * get sugar from foods that have other nutrients
 * you need everything in your diet you just don't want too much of it!
 * you need to eat:
 * for energy
 * and matter
 * you have to consume matter in order to be made of matter
 * we have to continuously eat because we are continuously losing matter
 * waste
 * losing cells
 * calories
 * gives you energy
 * need to be careful not to consume too much calories
 * protein
 * everything cells do is done by a protein
 * our DNA codes for a protein
 * how to make protein is passed from generation to generation
 * they are made out of amino acids
 * we eat so that we can have the building blocks to make the proties
 * we dont use the protein
 * we get the amino acids and make our own protein
 * there are 20 different amino acids
 * we are only able to make 10 of the
 * and the other 10 we have to eat
 * the essential amino acids
 * the most likely problem with protein is not getting enough protein
 * vitamin A
 * a key nutrient that isnt an energy source but it is an important molecule... and you HAVE to eat them
 * helps your eyesight
 * involved in vision
 * carrots
 * vitamin C
 * helps your immune system
 * we dont produce it- isnt an energy source
 * related to Scurvy
 * start to fall apart
 * makes collagen (about 25% of the protien in the human body)
 * lips
 * nose
 * connective tissue
 * a "filler" protein that fills int he empty spots
 * calcium
 * helps your bones
 * iron
 * helps the red blood cells
 * carried oxygen to the body
 * wont get enough energy or oxygen if you have low iron
 * labels are based on a 2,000 calorie diet