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Key:RMRCNWBMXRMIRW-WYVZQNDMSA-L Y. 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]
The dark red crystals dissolve in water giving cherry-colored solutions. Cobalamin biosynthesis is the process by which bacteria and archea make cobalamin, vitamin B 12. Many steps are involved in converting aminolevulinic acid via uroporphyrinogen III and adenosylcobyric acid to the final forms in which it is used by enzymes in both the ...
B vitamins are a class of water-soluble vitamins that play important roles in cell metabolism and synthesis of red blood cells. [ 1][ 2] They are a chemically diverse class of compounds. [ 1] Dietary supplements containing all eight are referred to as a vitamin B complex. Individual B vitamins are referred to by B-number or by chemical name ...
Vitamin B12 is absent from plant foods like fruits, vegetables, beans and grains. To meet needs, it’s necessary to consume animal products such as eggs, dairy, meat, ...
The structure of vitamin B 12 was the first low-molecular weight natural product determined by x-ray analysis rather than by chemical degradation. Thus, while the structure of this novel type of complex biomolecule was established, its chemistry remained essentially unknown; exploration of this chemistry became one of the tasks of the vitamin's chemical synthesis.
6% (< 60 years old), 20% (> 60 years old) [ 4] 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]
Methylcobalamin (mecobalamin, MeCbl, or MeB 12) is a cobalamin, a form of vitamin B 12. It differs from cyanocobalamin in that the cyano group at the cobalt is replaced with a methyl group. [ 1] Methylcobalamin features an octahedral cobalt (III) centre and can be obtained as bright red crystals. [ 2] From the perspective of coordination ...
It’s important to be cautious with protein intake over 2 grams per kilogram of body weight. ... which can include both animal and plant-based options. ... vitamin B12, found in red meat, poultry ...