Vitamin B1

Vitamin B1 - structure

Dry beri beri

Beri beri wet

Thiamine ( vitamin B₁ ) is a coenzyme decarboxylase important for the metabolism of glucose and energy supply to nerve and muscle cells.

Source

Meat, fish, cereals, yeast, legumes. The daily recommended dose for adults: 1-1.4 mg

Deficit

The disease beri-beri from a lack of dietary vitamin B₁is found today in a very poor population groups or for refugees in developing countries and people who eat mostly polished / husked rice / white rice. A typical image consists of nervous disorders, especially peripheral nerves (dry beri beri), edema and heart disease (beri beri wet).Impaired absorption of vitamin B₁ occurs in alcoholics and manifested by Wernicke encephalopathy Suboptimal thiamine status based on biochemical criteria in Europe was detected only in 4-6% of the population. Risk group are alcoholics. Laboratory evaluation: thiamine excretion in the urine. In the absence of erythrocytes is reduced transketolase concentration in the blood and the sea is high concentrations of glycoxalate

Surplus

Signs of excess are not known.

Links

Bibliography

BENCKO, Vladimir, et al. Hygiene and epidemiology : selected chapters. 2. edition. Prague. 2008. ISBN 80-246-0793-X.