b12食物 相關
廣告維他命B12能增進神經系統的健康，幫助入睡、滋補強身。同時也是素食者的營養補給，幫助飲食均衡. 維他命B12的食物，如文蛤、牛肉、鮮乳等，能增進神經系統的健康、幫助入睡
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Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism. [2] It is one of eight B vitamins. It is required by animals, which use it as a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism. [3]
Vitamin B12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin B 12. [5] . Symptoms can vary from none to severe. [1] . Mild deficiency may have few or absent symptoms. [1] .
Adenosylcobalamin - Wikipedia. Contents. hide. (Top) See also. References. External links. Adenosylcobalamin (AdoCbl), also known as coenzyme B12, cobamamide, and dibencozide, is, along with methylcobalamin (MeCbl), one of the biologically active forms of vitamin B 12. [1]
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What is vitamin B12 deficiency?
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B vitamins are a class of water-soluble vitamins that play important roles in cell metabolism and synthesis of red blood cells. [1] They are a chemically diverse class of compounds; some contain sulfur and B12 contains cobalt. [1] Dietary supplements containing all eight are referred to as a vitamin B complex.
Cyanocobalamin is a form of vitamin B. 12 used to treat and prevent vitamin B. 12 deficiency except in the presence of cyanide toxicity. [7] [8] [2] The deficiency may occur in pernicious anemia, following surgical removal of the stomach, with fish tapeworm, or due to bowel cancer.
Causes. Pathophysiology. Diagnosis. Differential diagnosis. Treatment. Prognosis. Epidemiology. History. Research. Permeation enhancers. References. External links. Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [5] . Those affected often have a gradual onset. [5] .
It primarily serves to protect cobalamin (Vitamin B12) from acid degradation in the stomach by producing a HC-Vitamin B 12 complex. Once the complex has traveled to the more pH-neutral duodenum, pancreatic proteases degrade haptocorrin, releasing free cobalamin, which now binds to intrinsic factor for absorption by ileal enterocytes.
