Fabrika dhe prodhuesit e Kinës Vitamina B12 | Tecsun

Vitamina B12

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Vitamin B 12, also known as cobalt amine, is the only vitamin containing metal elements. In nature, vitamin B12 is synthesized by microorganisms. Higher animals and plants cannot make vitamin B12. Vitamin B12 is the only vitamin that requires the help of an intestinal secretion (endogenous factor) to be absorbed. Some people due to gastrointestinal abnormalities, lack of this endogenous factor, even if adequate dietary sources can also suffer from malignant anemia. There is basically no vi...


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Vitamin B 12, also known as cobalt amine, is the only vitamin containing metal elements. In nature, vitamin B12 is synthesized by microorganisms. Higher animals and plants cannot make vitamin B12. Vitamin B12 is the only vitamin that requires the help of an intestinal secretion (endogenous factor) to be absorbed. Some people due to gastrointestinal abnormalities, lack of this endogenous factor, even if adequate dietary sources can also suffer from malignant anemia. There is basically no vitamin B12 in vegetable foods. It stays in the gut for a long time and takes about three hours (most water-soluble vitamins take only a few seconds) to be absorbed. Vitamin B 12's main physiological function is to participate in the production of bone marrow red blood cells, prevent malignant anemia, prevent brain nerve damage. Vitamin B 12 is one of the last B vitamins to be found so far. Vitamin B12 is a polycyclic compound containing 3 valent cobalt. Four reduced pyrrole rings are linked together to form a Golin macroring (similar to porphyrin), which is the core of vitamin B12 molecule. Therefore, compounds containing this ring are referred to as Golin-like. Vitamin B12 is a light red acicular crystal which is easily soluble in water and ethanol. It is most stable under the condition of weak acid pH 4.5 and 5.0, and decomposes in strong acid (pH < 2) or alkaline solution, which can be destroyed to some extent in the event of heat. But short time high temperature disinfection loss is small, encounter bright light or ultraviolet ray is easy to be destroyed. The loss of ordinary cooking process is about 30%.

 

Emri i produktit: VITAMINA 12  gvbrwsbhrwesbrwesbrwesbrwes
CAS: 68-19-9
MF: C63H88CoN14O14P
MW: 1355.37  
EINECS: 200-680-0
Vitamina B12, e cila shkurtimisht quhet VB12, e njohur gjithashtu si kobalamin, dhe është një nga vitaminat B, është një klasë e përbërjeve komplekse organike që përmbajnë kobalt klasë Corrin, dhe përmbante kobalt trivalent në aeroplan të ngjashëm porfirin Corrin në qendër të unazës .Tshtë molekula më e madhe dhe më komplekse e vitaminës që është zbuluar. Alsoshtë gjithashtu e vetmja vitaminë me jon metali. Kristali është i kuq, quhet edhe vitaminë e kuqe. Bima nuk përmban VB12 dhe nuk mund të prodhojë VB12. Mëlçia është burimi më i mirë i VB12, pastaj nga qumështi, mishi, vezët, peshku etj. VB12 është një koenzim thelbësor në sintezën e ARN dhe ADN. Mungesa e VB12 in vivo mund të shkaktojë ndryshime patologjike në sistemin nervor siç janë nervi periferik dhe sistemi nervor qendror.

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