Vitamins are essential nutrients without the calories and necessary for human metabolism. Vitamins can not be produced by the human body, but is obtained from the daily diet. The specific function is as a cofactor vitamins (auxiliary elements) for enzymatic reactions. Vitamins also play a role in various other body functions, including the regeneration of the skin, eyesight, nervous system and immune system and blood clotting.
The body needs a different amount for each vitamin. Everyone has different needs vitamins.
Children, the elderly, people suffering from disease or pregnant women require higher amounts of some vitamins in their food daily. Vitamins are divided into two types: fat-soluble vitamins (A, D, E and K) and water-soluble vitamin B and vitamin C .
If the consumption of fat-soluble vitamin excess, the excess can be stored in the human body, while for the water-soluble vitamins will be issued (excretion). This makes excess fat-soluble vitamins can sometimes cause symptoms of poisoning are rare in water-soluble vitamins. Conversely, deficiency symptoms (lack of) is more common in water-soluble vitamins because vitamins can not be stored in body tissues.
Symptoms of deficiency varies from the level of small problems, like headaches, skin problems or loss of appetite to serious diseases such as beri-beri caused by vitamin B deficiency or scurvy caused by lack of vitamin C in the long term. After all that serious deficiencies are found in developing countries. However, the consumption of vitamins which almost reached the point of optimum also occurs in some parts of the population group.
Vitamins found in various types of foods, fruits, vegetables, cereals (grains), meat, fish and dairy products. Levels of vitamins including storage and processing depending on the type of food itself. Storage and processing of time will reduce the levels of vitamins in food.
Water-soluble vitamins, the Group is comprised of B vitamins and vitamin C. Both of these vitamins are named based on the label of the test tubes when vitamins were discovered. Further note that the test tube with vitamin B turned out to contain more than one vitamin, which later was named B1, B2 and so on. The eight B vitamins play an important role in helping the enzymes to metabolize carbohydrates, fats and proteins, and in the manufacture of DNA and new cells.
Information About the Types of Vitamins