中医知识（TCM knowledge）.docVIP

中医知识（TCM knowledge） My encyclopedia contribution my drafts to the Baidu home | login News page bar, know MP3 pictures, videos, Wikipedia help set Add to collection return Baidu Wikipedia page Edit entry vitamin B12 directory [hide] Essential information Physiological function Lack and supplement Major uses of vitamin B12 Micrograph of vitamin B12 [edit this paragraph] basic information [Chinese Name: vitamin B12 [English name]: Vitamin B12 [alias] cobalamin cyanocobalamin animal protein factor vitamin [molecular formula]: C63H88CoN14O14P [foreign names] Vitamin, B12, Anacobin, Berubigen, Cobalin, Cyanocobalamin, Dobetin, Vibicon [edit this paragraph] physiological role [effects] vitamin B12, which is hardly contained in vegetable foods, is the most easily deficient vitamin in vegetarians, and is an essential component of erythropoiesis, which, if severe, can lead to pernicious anemia! Vitamin B12 is a very special vitamin, almost impossible to find in vegetables. It contains only seaweed and seaweed. In addition, vitamin B12 is also the only necessary minerals of vitamins, due to cobalt containing red, also known as the red vitamin, is a small number of colored vitamins. Although vitamin B12 vitamin B group, can be stored in the liver, after the exhaustion of storage capacity, after more than half a year before deficiency symptoms appear. There is very little vitamin B12 in the body, and as long as the diet is normal, there will be no shortage. A few malabsorption people and vegetarians should pay special attention to. [in] the absorption and metabolism of food with vitamin B12 and protein, into the human digestive tract, gastric acid, pepsin and trypsin in under the action of vitamin B12 was released within a glycoprotein factor and the secretion of gastric mucosa cells (IF) combined with. The vitamin B12-IF complex is absorbed in the ileum. Vitamin B12 is scarce in storage, approximately 2~3mg in the liver. Excreted mainly from the urine and partly from bile. [two