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11 Cards in this Set
- Front
- Back
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Types of Vit c
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Ascorbate or ascorbic acid
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Transport mechanisms of Vit c or ascorbate
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Majority through active transport (sodium dependent)
Or Dehydroascorbate through passive diffusion with the help of GLUT 1 and GLUT 4 transporters |
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Glutathione
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Essential for Vit c metabolism
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How much vitamin c is absorbed
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High intake = 16% absorption
Low intake = 98% absorption |
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What causes a urinary loss of Vit c
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Pectin and zinc
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What is the avg intake of Vit C
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About 70-95%
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Vit C is found in which cells
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Adrenal and pituitary gland (highest)
Liver, spleen, heart, kidney, lungs, pancreas, leukocytes (intermediate) Muscles, RBC (small) |
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Hydroxylase
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Is a product of Vit C and is responsible for energy production, collagen production (proline, lysine, glycine and iron)
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Agonist of Vit C
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Glutathione (glycine, cysteine, glutamine)
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Vit C transport at Brush Boarder
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Active transport (SVCT)
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Antagonists of Vit C
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Pectin, zinc, copper, high doses of iron
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