Vitamin B12
Product name: Vitamin B12
CAS No.: 68-19-9
Appearance: Red-purplish crystals or crystalline powder
Assay: 96.0% to 100.5%
Packing: 1kg,5kg
Storage: kept in dry, cool, and shaded place with original packaging, avoid moisture
Shelf life: 5 years
Product Description
1. Vitamin B12 is a water-soluble vitamin. The term vitamin B12 includes the free vitamin (cyanocoba lamin) and two coenzymes methylcobalamin and 5-deoxyadenosylcobalamin.
2. Vitamin B12 is released from dietary proteins by pepsin and HCl in the stomach. Unlike other wate r-soluble vitamins, vitamin B12 is stored in the human body. The body stores between 5 and 12 mg of vitamin B12, primarily in the liver and kidneys, and excesses are excreted by way of kidney or in bi le.
3. Vitamin B12 is essential for two types of enzymatic reactions in humans; methyl group transfer an d transfer of a hydrogen atom from one carbon to an adjacent carbon atom.
4. Vitamin B12 deficiencies manifest primarily as anemia and neurologic changes, although a deficien cy of this vitamin inhibits DNA synthesis, which affects growth and repair of all cells.
Pernicious anemia is a form of megaloblastic anemia caused by either inadequate vitamin
5. B12 intake or reduced gastric secretion of intrinsic factor, which inhibits absorption.Neurologic changes due to vitamin B12 deficiency can occur in the absence of any hematologic abnormalities. De pending on the duration of symptoms, neurologic complications of vitamin B12 deficiency may or may n ot be reversible following treatment.
Application:
It could be widely used in food and feed and pharmaceutics industry
Persona a contactar : Joanna Li, +86 027 84618766
Buen trato: comprar del vendedor
Por favor, lea nuestras condiciones de uso. También puede visitar nuestras preguntas frecuentes y ver nuestra información sobre los riesgos relacionados con la falsificación.
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