Vitamin B12 is an essential micronutrient that is needed for functions such as maintaining the nervous system and forming blood cells. However, B12 is mainly found in food of animal origin. Those who consume only small amounts of animal products or are vegan must therefore take B12 in the form of pills or eat food to which industrially produced B12 has been added. And as a commonly consumed staple food , grains are excellent vehicles for enrichment with micronutrients," explains Chong Xie from the Faculty of Agriculture and Forestry, University of Helsinki, about the background of his doctoral dissertation.
Vitamin B12 Dosage: What Is the Proper Daily Amount?
Vitamin B12 - Wikipedia
Vitamin B12 is a well known water soluble vitamin necessary for a number of metabolic reactions and prevention of certain medical complications, most commonly hematopoietic disorders and spinal cord related neuropathies additional details to these disorders will be summarized in future publications. As it relates to the need for vitamin B12, the molecular state in which the vitamin B12 is introduced into the body can impact how efficient it can be absorbed from a normally functioning gastrointestinal tract. Vitamin B12 bound to protein in foods must undergo an initial or early separation reaction before it can be absorbed in the ileum of the small intestine, whereas most forms found in supplements do not undergo this separation reaction as they are already in the free form. Recognizing this difference becomes important in future publications related to drug interactions and their clinical context. For now, the following concisely describes the sequence of events that must take place for vitamin B12 to get into the body. If vitamin B12 is ingested in its free or nonprotein bound form , it will bind to a carrier protein known as R-binders or transcobalamin I that is secreted by both the salivary glands in the oropharynx and the gastric mucosal cells within the stomach see figure 1 below.
We studied 27 infants aged 6 to 27 months with vitamin B12 deficiency also known as "infantile tremor syndrome" in India. All were exclusively breast-fed by vegetarian mothers. Developmental delay or regression, pallor, skin hyperpigmentation, and sparse brown hair were present in all. Majority were hypotonic and involuntary movements were encountered in
Helda Helsingin yliopisto Helsingfors universitet University of Helsinki. Koko arkisto Nykyinen kokoelma. Tarkennettu haku.