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nutrition
basics of human nutrition
61
Biology
Graduate
06/26/2008

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Term
which vitamins are made in the body?
Definition
biotin, D, and K.
Term
what inhibit vitamins?
Definition
antibiotics
Term
name the kinds of vitamins
Definition
synthetic, natural, protein-bound
Term
What does vitamin A do?
Definition
prevents night blindness, aids in skin disorders, protects against infections and cancer, helps heal GI ulcers, repair epithelial tissue, utilize protein, increases immunity, helps bone and teeth formation
Term
what do you get with a vitamin A deficiency?
Definition
dry hair, skin, eyes; decreased growth, night blindness, skin disorders, insomnia, fatigue, colds, reproductive difficulties.
Term
what goodies does vitamin A have?
Definition
carotenoids, betatene
Term
toxicity of vitamin A?
Definition
most toxic. ab pain, amenorrhea, GI disturbances, hair loss, pruritis, joint pain, hydrocephaly, scales on lips and corners of mouth.
Term
what interfere with vitamin a absorption?
Definition
antibiotics, laxitives, cholesterol meds
Term
where are carotenoids stored? where is retinol stored? are either toxic?
Definition
no; ccarotenoids stored in fat, retinol in liver
Term
what is vitamin d used for the absorption of?
Definition
Ca and phosphorus
Term
what does vitamin d do?
Definition
bone growth, prohormone, increased immunity, tyroid function
Term
what does vitamin d deficiency lead to?
Definition
decreased appetite, burning mouth and throat, diarrhea, insomnia, visual problems, weight loss
Term
what does vitamin d toxicity do?
Definition
headache, weight loss, kidney stones
Term
what natural things interfere with vitamin d absorption?
Definition
intestinal disorders, liver/gall bladder dysfunction, antacids, mineral oil, cortisone, chole inhibitors
Term
what are the benefits of vitamin e?
Definition
antioxidant, retards aging, improves athletic performance, promotes healthy skin and hair, prevent anemia, aids in vit. a utilization, reduces BP.
Term
vitamin e deficiency?
Definition
rbc and nerve destruction, infertility, menstrual problems, cramping, heart disease, bowel and breast cancer
Term
vitamin e toxicity?
Definition
diabetes, hyperthyroidism
Term
sources of vitamin e?
Definition
nuts and nut oils
Term
normal dose of vitamin E?
Definition
400 IU
Term
what must you have to manage vitamin e levels?
Definition
zinc
Term
what does vitamin k do?
Definition
helps make prothrombin, bone formation/repair, converting glucose to glycogen in liver, aids longevity, transports Ca to intestines, reduces morning sickness
Term
sources of vitamin k?
Definition
dark green veggies and black strap molasses
Term
vitamin k deficiencies? toxicity?
Definition
internal bleeding. flushing and sweating, toxic reaction in newborns, interferes with prescription blood thinners (coumadin and warfarin)
Term
vitamin b1=?
Definition
thiamine pyrophosphate
Term
what does B1 do?
Definition
enhances circulation, ESSENTIAL FOR CARB METABOLISM, nerve cell function and cognitive thinking (anti-neuritic)
Term
b1 deficiency?
Definition
beri-beri, GI disturbances, decreased appetite, nervousness, edema, fatigue, forgetfulness, peripheral neuropathies, constipation, weak muscles
Term
b1 toxicity?
Definition
none!!!
Term
normal b1 dose?
Definition
20-25mg/day
Term
sources of b1?
Definition
whole grains, liver, eggs
Term
who has b1 deficiency?
Definition
alcoholics, people on antibiotics, sulfa-drugs, oral contraceptives, people who have high carb diets
Term
what is b2?
Definition
riboflavin
Term
active forms of b2?
Definition
FAD and FMN
Term
what does b2 do?
Definition
rbc formation, antibody production, CELLULAR RESPIRATION, cell growth (mainly for mito), tryptophan breakdown to niacin with b6
Term
b2 deficiency?
Definition
chelosis, magenta tongue, dermatitis, aribofavinosis
Term
b2 sources?
Definition
dairy
Term
what causes deficiencies of b2?
Definition
orral contraceptives, alcohol, broad spectrum antibiotics and strenuous exercise
Term
b3=?
Definition
niacin
Term
what does niacin do?
Definition
proper circulation, healthy skin, helps with metabolism of fats-proteins-carbs, increases memory, decreases cholesterol a little
Term
b3 deficiency? toxicity?
Definition
pellegra (3 Ds), glossitis. niacin flush.
Term
b3 sources?
Definition
potatoes
Term
b5=?
Definition
pantothenic acid
Term
what does b5 do?
Definition
anti-stress, makes adrenal hormones and ACH production, helps produce/transport/release E from fats, fuels cholesterol synthesis, important component of CoA, enhances stamina
Term
what does pantothene do?
Definition
decreses serum cholesterol and trigylcerides
Term
b5 toxicity? deficiency?
Definition
none!!! burning feet, fatigue, headache, tingling in hands and feet, nausea
Term
b5 sources?
Definition
meat, shells of whole grains
Term
vit. b5 works with other b's to make atp
Definition
yep
Term
b6=?
Definition
pyridoxal phosphate/pyrodoxine
Term
things about b6?
Definition
master vitamin, involved in more body functions than any other nutrient, heart disease prevention, enhances bioavailability of Mg
Term
sources of b6?
Definition
banana
Term
b6 deficiency? toxicity?
Definition
anemia, convulsions, glossitis, dry skin, headaches, nausea
Term
b6 deficiency? toxicity?
Definition
anemia, convulsions, glossitis, dry skin, headaches, nausea. tox: damage to sensory nerves.
Term
b9=?
Definition
tetrahydrofolate
Term
things about b9?
Definition
brain food (dna/rna synthesis), blood cell formation, increased immunity, helps depression/anxiety,
Term
b9 deficiency? toxicity?
Definition
anemia, apathy, GI disturbances, glossitis, birth defects, graying hair, labored breathing tox: only in hormonal cancers associated with birth defects.
Term
b9 sources?
Definition
vegemite, leafy greens
Term
what does b9 work best with?
Definition
b12 and vit. c
Term
b12=?
Definition
cyanocobalamin
Term
what does b12 do?
Definition
prevents megaloblastic anemia, aids in iron utilization, needed for nerve cell activity, ach production, myelin sheath, dna replication, SAM
Term
which vitamins control production of homocysteine?
Definition
6, 9, 12
Term
deficiency of b12?
Definition
vegetarians, crohns disease. fatigue, constipation, hepatomegally, glossitis, dizziness, headache, nervousness, permanent neuro damage, tingling hands and feet
Term
omegaloblastic anemia could be what?
Definition
9 or 12
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