Unit 2 Flashcards
(116 cards)
a unit of food energy (avg person requires 2000 a day)
calorie
9 calories per gram
fat
4 calories per gram
protein, carbohydrates
form muscles, bones, hair, skin, tissue, hemoglobin, enzymes, cell membrane, hormones, provides some energy for body
role of proteins
building blocks of proteins, 20 found in food, 9 are essential
amino acids
contains all 9 essential amino acids (meat, fish, poultry, eggs, milk, cheese, soy)
complete protein
contains some of the essential amino acids (legumes, grains, nuts)
incomplete proteins
combination yields a complete protein - vegetarians
combination of vegetable proteins
0.8 per pound or .36 per kilogram - 10-35% of daily calories
daily recommendation of protein
chicken, turkey - leaner source with lower fat content
white meat
pork, beef, lamb - higher levels of fat, but also contains vitamins like iron, zinc, B
red meat
regular consumption ____linked to increased risk of cardiovascular disease, replace with ____ can reduce risks
red meat, white meat
supply energy, support and cushion organs, insulate the body, absorbs vitamins, adds flavor to food
role of fats
omega-3 linolenic acid, omega-6 linolenic acids - blood pressure regulation, vision, healthy pregnancy
essential fats
vegetable oils, nuts, seeds, animal products - essential in small amounts - an essential omega-6 fatty acid
linolenic acids
red meat, whole milk, cheese, lunch meats, hot dogs
sources of saturated fats
solid at room temp., not directly linked to heart disease but should be limited
saturated fats
monounsaturated, poly unsaturated
types of unsaturated fats
certain vegetables, olive oil, nuts, canola oil
sources of monounsaturated fat
liquid at room temperature, one type, best choice of fat
monounsaturated fat
certain vegetables, nuts, vegetable oil, fatty fish - omega-3 and omega-6, best choice of fat
sources of polyunsaturated fats
salmon, tuna, trout - reduce blood clots, abnormal heart rhythms, blood pressure, risk of heart attack
omega-3 fats
vegetable oils, corn, soybean, cottonseed oils - reduce omega_ for omega_
omega-6 fats; 6 for 3
hydrogenation - creates solid fat from liquid oil - contains saturated and unsaturated - limit intake
trans fatty acids