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Vitamine B1

Constituents

Vitamine B1 = thiamine, aneurine

Provenience

- animal: pork - vegetable: scutellum (membrane) of cereals.

Action

- coenzyme of the carboxylase enzyme which ensures the decarboxylation and oxidation of pyruvic acid - at the crossroads of several important metabolic pathways, including glycolysis and the Krebs cycle

Estimated average needs

adult: 1-2mg / d child: 0.5-1 mg / d

Deficiency

- anorexia - nevrites - dry beri-beri (peripheral paralysis, mental confusion) - wet beri-beri (edema, myocardial insufficiency, loss of memory of recent events)