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thiamin

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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.


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


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They are a good source of vitamin B (riboflavin, thiamin and niacin), vitamin C, calcium and phosphorus.
Thiamin was found to be best at preventing cell death induced by carbonyl stress and mitochondrial toxins but not oxidative stress cell death suggesting that thiamin pyrophosphate restored pyruvate and alphaketoglutarate dehydrogenases inhibited by mitochondrial toxicity.
For example, calcium, iron, niacin and thiamin are added to white and brown wheat flour, and these are a valuable source of these nutrients for most people.
 
 
 
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