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8 Cards in this Set
- Front
- Back
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Biotin - Functions |
Amino Acid metabolism (conv of amino acids to glucose)
Fatty acid synthesis Release of energy from fatty acids DNA synthesis |
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Biocytin |
A biotin-lysine complex released from digested protein. |
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Carboxylation |
A reaction that adds a carboxyl group (-COOH) to a substance, replacing a hydrogen atom. |
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Biotin - Reactions relying on Biotin |
Adding CO2 to 3 carbon pyruvate, first step of gluconeogenesis. Entry of 3-carbon fatty acids into the citric acid cycle to yield energy. Elongating fatty acids during synthesis. Breaking down leucine to the ketone body acetoacetate. Synthesizing DNA |
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Biotin - RDA |
NO RDA established UL = 30 mcg/day |
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Biotin - Sources |
Cauliflower, liver, peanuts, cheese |
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Biotin - Deficiency |
Eating raw egg whites for long periods of time. Taking anticonvulsant drugs for long periods Infants born with biotinidase deficiency Symptoms: Hair loss, Rash Convulsions, neurological disorders Can delay growth, development High doses of 10 mg usually clears up issues. |
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Biotin - Toxicity |
Not toxic at high doses Children = up to 200 mg/day UL not established |
