Thiamin B1

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Last updated 2:33 PM on 9/17/26
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9 Terms

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Thiamin Structure:

Pyrimidine ring +

thiazole ring

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Thiamin: Active Coenzyme

Thiamin

pyrophosphate

(TPP)

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Thiamin: RDA and UL

Men: 1.2 mg/day

Women: 1.1 mg/day

Pregnancy / Lactation: 1.4 mg/day

UL: none established

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Thiamin: Rich Food Sources

Enriched/fortified grains, pork, whole grains, sunflower seeds, black beans

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Thiamin: Metabolic Functions

impairs ATP generation and carbohydrate oxidation

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Thiamin Deficiency Symptoms

(wet: edema/heart failure; dry: muscle wasting/neuropathy), Wernicke-Korsakoff syndrome.

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Thiamin At risk:

Alcohol dependency, bariatric surgery patients, chronic malnutrition.

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Thiamin Deficiency Symptoms

Beriberi (wet: edema/heart failure; dry: muscle wasting/neuropathy), Wernicke-Korsakoff syndrome.

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Thiamin Assessment:

Erythrocyte transketolase activity or thiamin diphosphate in whole blood.