Vitamin B12 Requirement Treatment is highly effective. The form of vitamin B12 known as hydroxocobalamin is given by injection into a muscle twice during the first week and then weekly until the anemia and all other symptoms of deficiency have been fully corrected. It may be necessary to stay...
维生素B12是人体内每天需要量最少的一种,过量的维生素B12会产生毒副作用。据报道注射过量的维生素B12可出现哮喘、荨麻疹、湿疹、面部浮肿、寒颤等过敏反应,也可能相发神经兴奋、心前区痛和心悸。维生素B12摄入过多还可导致叶酸的缺乏。 代谢原理 食物中的维生素B12与蛋白质结合,进入人体消化道内,在胃酸、胃蛋白酶及...
body fluidscyanocobalamingastric juicesstomachtechniquesvitamin B12vitaminsThe alga, Euglena gracilis var. bacillaris, was found to have a highly specific requirement for vitamin B12 and did not respond to deoxynucleotides or other substances which stimulate growth of bacteria requiring vitamin B12. The...
The Vitamin B12 Requirement Of The Marine Rotifer Brachionus Plicatilis Before considering the influence of the vitamin on Brachionus investigations were made into the relationship between the vitamin and the two food-algae. It has already been established that Brachiomonas has a definite requirement (...
Vitamin B12requirement of New Hampshires. 2. Influence of maternal ration on requirement of progeny. 喜欢 0 阅读量: 25 作者:JL Milligan,GH Arscott,GF Combs 摘要: The vitamin B12 intake of the hen did not affect the weight of the chicks at hatching, but did influence the amount required ...
Crystalline vitamin B12 requirement of the young dairy calf. J. Dairy Sci, 1953; 36: 997.Lassiter CA, Ward GM, Huffman CF, Duncan CW. Crystalline vitamin B12 requirement of the young dairy calf. Journal of Dairy Science 36, 997–1005, 1953...
Vitamin B12 is required for the function and development of many parts of the body, including the brain, nerves, and blood cells. Methylcobalamin is the active form of vitamin B12. Cyanocobalamin, which must be processed by the body into the active form, is the most common type used in sup...
01Vitamin B12 Daily RequirementDaily dosage 02Vitamin B12 Overdose 03Vitamin B12 Dosages 04Vitamin B12 Low Dose: 3-50 MCGMinimal dose 05Vitamin B12 Medium Dose: 100-250 MCGB12 basic dose 06Vitamin B12 Increased Dose: 300-500 MCGExtra B12 requirement ...
2.8 micrograms. there are an array of foods rich in vitamin b12 . you can reach your daily vitamin b12 requirement by consuming these foods. for example, a half-cup of low-fat milk contains 1.2 micrograms of the vitamin, which is half of the daily need for adults. other foods high in...
Of these, it is most difficult for poor women to obtain their dietary vitamin B12 requirement because this vitamin in found only in animal source foods, such as meat and dairy products. The recommended intakes of most B vitamins and choline are increased above nonpregnant values as shown in ...