Term
| What vitamin is pyroxidine? |
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Definition
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Term
| What is pyroxidine absorption like? |
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Definition
Passive/facilitated diffusion
There may be a vitamin transporter |
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Term
| What are the functions of pyroxidine in the body? |
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Definition
| More than 100 reactions with energy metabolism. helps the nervous system, myelin production, hemoglobin synthesis, niacin formation, and glycogenesis |
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Term
| Where is pyroxidine stored in the body? |
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Definition
70-80% is stored in the muscle for the glycogen phosphorylase reaction
10% stored in liver
excess is released in urine |
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Term
| what are the S/S of deficiency? |
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Definition
| depression, confusion, abnormal brain patterns, convulsions |
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Term
| What are the S/S of toxicity? |
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Definition
| Symptoms are only seen when taking too much supplement: hypocysteine anemia, neuropathy, carpal tunnel issues, PMS is worse |
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Term
| Why do people have primary deficiency of B6? |
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Definition
| This is very rare because B6 is found in many foods in small amounts. Usually will happen in babies taking formula with little B6 |
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Term
| Why do people have secondary deficiency? (increased requirement) |
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Definition
| Malabsorption, smoking, oral contraceptives, alcohol abuse, alcohol increases breakdown and excretion of PLP |
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Term
| What does pyroxidine help do in terms of other B vitamins? |
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Definition
| Pyroxidine in the form of PLP turns tryptophan into niacin (B3) |
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Term
| What are good sources of pyroxidine? |
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Definition
| baked potato, spinach, zucchini, broccoli, banana, tuna, beef liver |
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Term
| How do I optimize storage of B6? |
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Definition
| avoid extended storage, keep cold foods cold |
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Term
| How do I optimize processing of B6? |
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Definition
| Choose whole grains because milling results in loss of B6 |
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Term
| How do I optimize cooking of B6? |
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Definition
| this is a fairly stable vitamin. Avoid canning and high heat. |
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