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15 Cards in this Set
- Front
- Back
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Which amino acid generates nitric acid oxide during catabolism wich helps maintain artery dilation?
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arginine
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PLP can help form brain what?
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serotonin
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What are some good sources for tocotrienols?
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walnuts, canola oil, wheat germ
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How do large doses of nicotinic acid effect VLDL, blood homocysteine, HDL?
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lower VLDL, elevate blood homocysteine, elevate HDL levels
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What is true concerning a B12 deficient individual who is supplementing folic acid at high levels (over the UL)?
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1. Thymidylate synthetase activity will be normal
2. Homocysteine in the blood will increase 3. Methionoine synthetase will decrease 4. Red Blood Cells will be normal |
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If folate/folic acid is deficient and then one supplements only B12, thymidylate synthetase activity will be normal or abnormal?
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abnormal (needs active folacin coenzyme)
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Formiminogluatmic acid excretion in the urine may indicate a deficiency of:
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folacin and B12 (particularly after a histidine load)
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What biochemical action relates mostly to folic acid?
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formyl transfer (single carbon)
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What is true concerning folates/folic acid and blood homocysteine, RDA-DFE, and UL?
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1. A proper dose for reducing blood homocysteine is 1000mcg/day
2. RDA for this nutrient is 400 DFE 3. The UL for folic acid is 1000mcg/day |
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What vitamin plays a key role in deamination?
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vitamin B6/pyridoxal
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Methylmalonyl CoA mutase is dependent on what for activity?
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adenosylcobalamin
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What nutrients if deficient can lead to macrocytic anemia?
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cobalamin and folate
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What compound does vitamin C reduce formation of?
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nitrosamine (a carcinogen)
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What coumpounds are formed by the action of vitamin C?
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carnitine, serotonin, norepinephrine, hydroxylated protein
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When using high does niacin for blood lipid control, what forms seem most effective?
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acid (nicotinic acid)
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