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B complex vitamins are water-soluble and mainly participate in the cell metabolism. There are 8 B vitamins which have slightly different, specific functions in the cell metabolism.

Depending upon the vitamin B we are talking about. That is,

Vitamin B1 or thiamine: essential nutrient required for carbohydrate metabolism; also involved in nerve function. Thiamine is converted in vivo to thiamine diphosphate, a coenzyme in the decarboxylation of alpha-keto acids. Deficiency of thiamine causes Beriberi.

Vitamin B2 or riboflavin: Is a minor but crucial component in metabolic processes. One of the is linked to the glutathione reductase activity (this enzyme catalyzes the NADPH-dependent reduction of glutathione disulfide, or GSSG, to glutathione, or GSH. GSH acts as a coenzyme in several enzymatically catalyzed reductions and plays an important role in the transport of amino acids into certain cells.). Glutathione reductase has an electron-transfer prostethic group, the flavin adenine dinucleotide or FAD. FAD as all flavins, contains the isoalloxazine ring, that allows it to perform processes of sequential electron transference. Humans are unable to synthezise the isoalloxazine component of flavins, so they have to consume food with flavin content, mainly in the form of riboflavin.

Vitamin B6 or pyridoxin: Crucial in aminoacid deamination, the first reaction of amino acid breakdown, to remove excess nitrogen through urea. The coenzyme pyridoxal-5'-phosphate (or PLP), a derivative of vitamin B6, is required by aminotransferases during degradation of amino acids.

Vitamine B12 or cyanocobalamine: It is converted by the body into its bioactive forms, such as: methylcobalamine and cobamamide, which serves as important enzyme cofactors. Severe deficiency may result in megaloblastic anemia and/or neurological impairment.

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Besides the main classes of polymers, nutrients essential for health include vitamins, minerals, and water. Vitamins are essential for various biological functions, minerals are needed for structural support and proper physiological functions, and water is crucial for hydration, temperature regulation, and nutrient transport in the body.


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Vitamins found in the animal kingdom include vitamin B12, which is predominantly found in animal products such as meat, dairy, and eggs. Additionally, animal-based sources like liver and fish provide vitamins A, D, and K2. These vitamins are essential for various bodily functions, including vision, bone health, and blood clotting.


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Related Questions

One of the main functions of vitamins is to?

The answer is D


What regulates the body chemistry and the body functions?

Vitamins


What substances help regulate body functions?

calories


The sources and functions of Vitamins a b c d e and k?

At http://www.helpwithcooking.com/nutrition-information/vitamin-guide.html, there is a list of all of the vitamins you listed, their functions, and what foods they are prevalent in.


Constituents of vitamins?

Vitamins are organic compounds that are essential for various physiological functions in the body. They are classified as either water-soluble (e.g. Vitamin C, B vitamins) or fat-soluble (e.g. Vitamins A, D, E, K). Each vitamin has unique chemical structures and functions within the body.


Some vitamins are essential to an organism because they functions as a hormone?

coenzymes


How do vitamins help cows?

Vitamins help cows the same way vitamins help us: they help with maintenance of bodily functions and good health in the cattle. Without essential vitamins, cattle would get sick and/or starve from malnutrition and eventually die.


What do vitamins not provide?

They do not provide energy. They work with the cells to enable various metabolic functions.


What do vitamins provide?

They do not provide energy. They work with the cells to enable various metabolic functions.


What is the difference between vitamins and minerals in terms of their functions and sources"?

Vitamins are organic compounds that are essential for various bodily functions, while minerals are inorganic elements that also play important roles in the body. Vitamins are typically obtained from food sources, while minerals can be found in both food and water. Both vitamins and minerals are crucial for maintaining overall health and well-being.


What is the chief function of b vitamins?

Primary functions of the vitamins are to make metabolic changes possible in the body. They are the backbone of a healthy life and body.


How do vitamin shoppes benefit a persons health?

Vitamins are substances required for basic biological functions. Taking a vitamin supplement can provide the vitamins that are missing from a diet