chapter 9 Flashcards
how you should choose foods
high in nutrients and lower in calories
%of daily intake for proteins carbs and fats
protein-20%
carbohydrates-54%
fat-26%
how many common amino acids &non essential amino acids
common-20
non essential-11
know examples of monosaccharides, diesaccharides & polysaccharides
mono- fruit sugar
dies- lactose (milk sugar) & sucrose
poly- starch & fiber
2 types of fiber
soluable & insoluable
how many calories are in a gram of fat, a gram carbohydrates, and a gram of protein
fat- 9 calories
carbohydrates- 4
protein- 4
water soluable vitamins & fat soluable vitamins
water - B,C
fat- A,D,E,K
Vitamin A
RDA- 5000IU
Natural sources- yellow and green fruits, vegetables, carrots, dairy products, fish liver oil, yellow fruits
FUNCTION- growth and repair of body tissues, bone formation & vision
DEFICIENCY SYMPTOMS-Night blindness, dry scaly skin, loss of smell and appetite, fatigue, bone deterioration
B-1 (THIAMINE)
NATURAL SOURCES-
1.5 mgGrains, nuts, wheat germ, fi sh, poultry, legumes, meat
FUNCTIONS-
Metabolism, appetite maintenance, nerve function, healthy mental state, muscle tone
DEFICIENCY SYMPTOMS-
Nerve disorders, cramps, fatigue, loss of appetite, loss of memory, heart irregularity
B-2 (Riboflavin)
1.7 mg
NATURAL SOURCES-
Whole grains, green leafy vegetables, liver, fish, eggs
FUNCTIONS-
Metabolism, health in hair, skin, nails; cell respiration; formation of antibodies and red blood cells
DEFICIENCY SYMPTOMS-
Cracks and lesions in corners of mouth, digestive disturbances
B-6 (Pyridoxine) 2 mg
NATURAL SOURCE-
Whole grains, leafy green vegetables, yeast, bananas, organ meats
FUNCTIONS-
Metabolism, formation of antibodies, sodium/potassium balance
DEFICIENCY SYMPTOMS Dermatitis, blood disorders, nervousness, weakness, skin cracks, loss of memory
B-7 (Biotin) 300 mcg
NATURAL SOURCE-
Legumes, eggs, grains, yeast
FUNCTIONS-
Metabolism, formation of fatty acids
DEFICIENCY SYMPTOMS-
Dry, dull skin; depression, muscle pain, fatigue; loss of appetite
B-12 (Cobalamine) 6 mcg
NATURAL SOURCES-
Eggs, milk/milk products, fi sh, organ meats
FUNCTIONS-
Metabolism, healthy nervous system, blood cell formation
DEFICIENCY SYMPTOMS-Nervousness, neuritis, fatigue
Choline (no RDA)
natural source-
Lecithin, fish, wheat germ, egg yolk, soybeans
functions-
Nerve metabolism and transmission; regulates liver, kidneys, and gallbladder
deficiency symptoms-Hypertension, stomach ulcers, liver and kidney conditions
Folic acid (Folacin) 400 mcg
natural source-
Green leafy vegetables, organ meats, yeast, milk products
FUNCTIONS-
Red blood cell formation, growth and cell division (RNA and DNA)
deficency symptoms-Gastrointestinal disorders, poor growth, loss of memory, anemia
Inositol (no RDA)
natural source-
Whole grains, citrus fruits, yeast, molasses, milk
functions-
Hair growth, metabolism, lecithin formation
deficiency symptoms-
Elevated cholesterol, hair loss, skin disorders, constipation, eye abnormalities
B complex (Niacin) 20 mg
natural source-
Meat, poultry, fish, milk products, peanuts
functions-
Metabolism, healthy skin, tongue and digestive system, blood circulation, essential for synthesis of sex hormones
deficiency symptoms-
Fatigue, indigestion, irritability, loss of appetite, skin conditions