..... Click the link for more information. ; vitamin vitamin, group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes , or they form integral parts
..... Click the link for more information. .
thiamine, thiamin
Thiamine
A water-soluble vitamin found in many foods; pork, liver, and whole grains are particularly rich sources. It is also known as vitamin B1 or aneurin. The structural formula of thiamine is shown below.
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Thiamine deficiency is known as beriberi in humans and polyneuritis in birds. Muscle and nerve tissues are affected by the deficiency, and poor growth is observed. People with beriberi are irritable, depressed, and weak. They often die of cardiac failure. Wernicke's disease observed in alcoholics is associated with a thiamine deficiency. This disease is characterized by brain lesions, liver disease, and partial paralysis, particularly of the motor nerves of the eye. As is the case in all B vitamin diseases, thiamine deficiency is usually accompanied by deficiencies of other vitamins.
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