thiamin (redirected from thiamin nutritional deficiency)

thiamin

 or vitamin B₁

Organic compound, part of the vitamin B complex, necessary in carbohydrate metabolism. It carries out these functions in its active form, as a component of the coenzyme thiamin pyrophosphate. Its molecular structure includes a substituted pyridine ring and a thiazole ring. Thiamin is found most abundantly in whole cereal grains and certain other seeds. Deficiency leads to beriberi.

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thiamine, thiamin

Biochem a soluble white crystalline vitamin that occurs in the outer coat of rice and other grains. It forms part of the vitamin B complex and is essential for carbohydrate metabolism: deficiency leads to nervous disorders and to the disease beriberi. Formula: C₁₂H₁₇ON₄SCl.H₂O