Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency [PDF]
Cochrane Database of Systematic Reviews, 2005 Vitamin B12 deficiency is common and rises with age. Most people with vitamin B12 deficiency are treated in primary care with intramuscular vitamin B12 which is a considerable source of work for health care professionals. Several case control and case series studies have reported equal efficacy of oral administration of vitamin B12 but it is rarely ...
Vidal-Alaball, J +7 more
openaire +4 more sources
The distribution of total vitamin b12 holotranscobalamin and the active vitamin b12 fraction in the first 5 weeks postpartum [PDF]
, 2018 Introduction Total vitamin B12 levels decrease significantly during pregnancy and recover to normal values within 8-week postpartum. Holotranscobalamin (holoTC) reflects the active part of vitamin B12 and has been shown to remain constant during ...
de Vries, J. +3 more
core +8 more sources
Resistance imparted by vitamin C, vitamin e and vitamin B12 to the acute hepatic glycogen change in rats caused by noise. [PDF]
, 2006 The effects of vitamin C, vitamin E and vitamin B12 on the noise-induced acute change in hepatic glycogen content in rats were investigated. The exposure of rats to 95 dB and 110 dB of noise acutely reduced their hepatic glycogens.
An, Qing-Da +6 more
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Vitamin B12 III. The assay of vitamin B12
Biochimica et Biophysica Acta, 1952 1. 1. After the addition of KCN, purified liver-extracts can be chromatographed on Al2O3, the vitamin B12 being collected as one single band which can be measured spectrophotometrically. 2. 2. The values, thus obtained, agree satisfactorily with those of the L. Leichmannii and a little less with the L. lactis Dorner assay. both in liquid medium.
Lens, J. +5 more
openaire +4 more sources
Effectiveness of the National Program of Complementary Feeding for older adults in Chile on vitamin B12 status in older adults; secondary outcome analysis from the CENEX Study (ISRCTN48153354). [PDF]
, 2013 BACKGROUND: Older people are at increased risk of vitamin B12 deficiency and the provision of fortified foods may be an effective way to ensure good vitamin B12 status in later life.
Albala, Cecilia +4 more
core +1 more source
High Plasma Vitamin B12 and Cancer in Human Studies : A Scoping Review to Judge Causality and Alternative Explanations [PDF]
, 2022 Patients with cancer have been reported to show elevated plasma concentrations of vitamin B12, thus causing uncertainties regarding safety of vitamin B12.
Obeid, Rima
core +1 more source
Deficiencies of the microelements, folate and vitamin B12 in women of the child bearing ages in Gorgan, Northern Iran [PDF]
, 2013 Background: The deficiencies of folic acid, vitamin B12, and microelements during pregnancy may affect the health of newborns. Objectives: To assess the serum levels of folate, vitamin B12, iron, zinc and copper in healthy women of the childbearing ages ...
Behnampour, N. +2 more
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Premarital screening of 466 Mediterranean women for serum ferritin, vitamin B12, and folate concentrations [PDF]
, 2015 Background/aim: Iron, folate, and vitamin B12 serum levels are closely related with dietary habits and have an essential role in the healthy development of a fetus.
Demirciler, İ. +5 more
core +1 more source
14C-Cobalamin Absorption from Endogenously Labeled Chicken Eggs Assessed in Humans Using Accelerator Mass Spectrometry. [PDF]
, 2019 Traditionally, the bioavailability of vitamin B-12 (B12) from in vivo labeled foods was determined by labeling the vitamin with radiocobalt (57Co, 58Co or 60Co).
Allen, Lindsay H +6 more
core +2 more sources
Influence of vitamin B12 and light on the formation of chlorosomes in green- and brown-colored Chlorobium species [PDF]
, 1993 The specific Bchl a and c content of the vitamin B12-dependent Chlorobium limicola strain 1230 decreased strongly under vitamin B12 limitation. In comparison to a regularly grown culture (20 g vitamin B12/l) the specific Bchl c content of a B12-limited ...
Fischer, Ulrich +3 more
core +1 more source