China factory low price China Hot Selling High Quality Folic Acid with Reasonable Price and Fast Delivery factory and manufacturers

factory low price China Hot Selling High Quality Folic Acid with Reasonable Price and Fast Delivery

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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%.

Product Name:	VITAMIN 12
CAS:	68-19-9
MF:	C63H88CoN14O14P
MW:	1355.37
EINECS:	200-680-0
Vitamin B12, which is called VB12 for short, also known as cobalamin, and is one of the B vitamins, is a class of complex organic compounds containing cobalt Corrin class ,and contained trivalent cobalt in similar porphyrin Corrin plane at the center of the ring.It is the largest and most complex vitamin molecule that has been discovered. It is also the only vitamin with metal ion. The crystal is red, it is also called red vitamin.The plant does not contain VB12, and can not produce VB12. The liver is the best source of VB12, then from milk, meat, eggs, fish and so on.VB12 is an essential coenzyme in the synthesis of RNA and DNA. The lack of VB12 in vivo can cause pathological changes in the nervous system such as peripheral nerve and central nervous system.