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Thiamine molecule
Vitamin B1 (thiamine) is water-soluble essential micronutrient belonging to vitamin B-complex group.
Thiamine is available from both animal and plant sources.
In human body thiamine exists in three forms namely, thiamine monophosphate, thiamine pyrophosphate and thiamine triphosphate.
Like most of the B vitamins thiamine is essential for production of energy by metabolism of fats, proteins and carbohydrates.
Adenosine triphosphate (ATP) is required by every cell in the body for energy production and thiamine helps in the formation of ATP.
Thiamine helps in biosynthetic reactions and in the nucleic acids synthesis.
By keeping the heart muscle healthy ,thiamine protects us from cardiovascular problems.
Thiamine is very essential for the health of the brain and the nervous system.
For the healthy digestive process and the secretion of hydrochloric acid vitamin B1 is very necessary.
Thiamine helps in alleviating conditions like arthritis, infertility and some forms of diabetes.
Deficiency and Beriberi
The absorption of vitamin B1 is inter-related to the availably of enough of folic acid, vitamin B12 and vitamin B6.
Smoking and consumption of alcohol appears to interfere with the absorption of thiamine.
Vitamin B1 is lost on refrigeration and continuous consumption of refrigerated food only, can cause its deficiency.
Mild deficiency of thiamine causes digestive problems, irritability, dementia, loss of appetite and fatigue.
A higher degree of deficiency leads to nervous disorders.
Severe deficiency of thiamine causes a condition called Beriberi.
Depending upon the affected system and severity this disease is called dry, wet or cerebral beriberi.
Dry beriberi shows peripheral neuropathy. Burning feet sensation, weakness in the limbs, muscle pain, abnormal reflexes and seizures are the symptoms of dry beriberi.
In wet beriberi apart from the above symptoms, enlargement and oedema of the heart occurs which can lead to heart failure.
In cerebral beriberi the central nervous system is also affected. Loss of memory, gait disorders and brain damage are the results in very severe deficiency of vitamin B1.
Toxicity
Toxicity of thiamine is very rare as excess of this vitamin is lost in the urine. On use of high doses mild stomach irritation is reported.
Sources
Bran part of the cereals and grains contains most of the vitamin B1 available in them. Hence whole grains without polishing them are good sources.
Milk and milk products, seeds and nuts, vegetables, fruits like orange, raisins, peas, fish, meat, egg and poultry are good sources of vitamin B1.
Given below are links to individual category of B vitamins.Thiamine is available from both animal and plant sources.
In human body thiamine exists in three forms namely, thiamine monophosphate, thiamine pyrophosphate and thiamine triphosphate.
Like most of the B vitamins thiamine is essential for production of energy by metabolism of fats, proteins and carbohydrates.
Adenosine triphosphate (ATP) is required by every cell in the body for energy production and thiamine helps in the formation of ATP.
Thiamine helps in biosynthetic reactions and in the nucleic acids synthesis.
By keeping the heart muscle healthy ,thiamine protects us from cardiovascular problems.
Thiamine is very essential for the health of the brain and the nervous system.
For the healthy digestive process and the secretion of hydrochloric acid vitamin B1 is very necessary.
Thiamine helps in alleviating conditions like arthritis, infertility and some forms of diabetes.
Deficiency and Beriberi
The absorption of vitamin B1 is inter-related to the availably of enough of folic acid, vitamin B12 and vitamin B6.
Smoking and consumption of alcohol appears to interfere with the absorption of thiamine.
Vitamin B1 is lost on refrigeration and continuous consumption of refrigerated food only, can cause its deficiency.
Mild deficiency of thiamine causes digestive problems, irritability, dementia, loss of appetite and fatigue.
A higher degree of deficiency leads to nervous disorders.
Severe deficiency of thiamine causes a condition called Beriberi.
Depending upon the affected system and severity this disease is called dry, wet or cerebral beriberi.
Dry beriberi shows peripheral neuropathy. Burning feet sensation, weakness in the limbs, muscle pain, abnormal reflexes and seizures are the symptoms of dry beriberi.
In wet beriberi apart from the above symptoms, enlargement and oedema of the heart occurs which can lead to heart failure.
In cerebral beriberi the central nervous system is also affected. Loss of memory, gait disorders and brain damage are the results in very severe deficiency of vitamin B1.
Toxicity
Toxicity of thiamine is very rare as excess of this vitamin is lost in the urine. On use of high doses mild stomach irritation is reported.
Sources
Bran part of the cereals and grains contains most of the vitamin B1 available in them. Hence whole grains without polishing them are good sources.
Milk and milk products, seeds and nuts, vegetables, fruits like orange, raisins, peas, fish, meat, egg and poultry are good sources of vitamin B1.
