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
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Frontiers in Nutrition, 2023 ObjectivesMany observational studies evaluate the association between vitamin B12 and non-alcoholic fatty liver disease (NAFLD). However, the causality of this association remains uncertain, especially in European populations.
Liwan Fu +3 more
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Relationship between serum vitamin B12 level, sociodemographic variables, and medical comorbidity in psychiatric in-patients [PDF]
, 2022 Background: To compare serum vitamin B12 levels in psychiatric in-patients and their caregivers and, to study the relationship between psychiatric diagnosis and vitamin B12 levels in psychiatric in-patients.Methods: Adult psychiatric in-patients (n=103 ...
., Amandeep +5 more
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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
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High-pressure synthesis of boron-rich chalcogenides B12S and B12Se [PDF]
Journal of Alloys and Compounds, 898, 162874 (2022), 2021 Two boron-rich chalcogenides B12S and B12Se isostructural to {\alpha}-rhombohedral boron were synthesized by chemical reaction of the elements at high-pressure - high-temperature conditions. The crystal structures and stoichiometries of both compounds were confirmed by Rietveld refinement and elemental analysis.
arxiv +1 more source
Vitamin K content of cheese, yoghurt and meat products in Australia [PDF]
Food Chem. 397:133772 (2022), 2022 Vitamin K is vital for normal blood coagulation, and may influence bone, neurological and vascular health. Data on the vitamin K content of Australian foods are limited, preventing estimation of vitamin K intakes in the Australian population. We measured phylloquinone (PK) and menaquinone (MK) -4 to -10 in cheese, yoghurt and meat products (48 ...
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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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Long-term metformin therapy and vitamin B12 deficiency: an association to bear in mind [PDF]
, 2021 To date, metformin remains the first-line oral glucose-lowering drug used for the treatment of type 2 diabetes thanks to its well-established long-term safety and efficacy profile. Indeed, metformin is the most widely used oral insulin-sensitizing agent,
Caprio, Massimiliano +3 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
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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
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