Total Homocysteine, Vitamin B12, and Total Antioxidant Status in Vegetarians

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منابع مشابه

Total homocysteine, vitamin B(12), and total antioxidant status in vegetarians.

BACKGROUND Decreasing or eliminating animal products from the diet decreases the intake of some essential nutrients, such as vitamin B(12), which may lead to hyperhomocysteinemia. We investigated vitamin B(12)-dependent metabolism and oxidative stress in groups with various or no intake of meat or animal products. METHODS We investigated 44 high meat eaters, 19 low meat eaters, 34 lacto-ovo/l...

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Serum homocysteine, folate, vitamin B12 and total antioxidant status in vegetarian children.

PURPOSE The results of several studies point to the positive role of vegetarian diets in reducing the risk of diabetes, some cancers and cardiovascular diseases. However, exclusion of animal products in vegetarian diets may affect the cobalamin status and cause an elevation of the plasma homocysteine level. The aim of this study was to assess the effect of vegetarian diets on serum concentratio...

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Comparison between Serum Holotranscobalamin and Total Vitamin B12 as Indicators of Vitamin B12 Status.

OBJECTIVES This study aims to assess the usefulness of serum holotranscobalamin (holoTC), the fraction of vitamin B12 that is available for tissue uptake, compared with total vitamin B12 in patients investigated for vitamin B12 disorders. METHODS Serum samples were randomly selected from 76 patients (48 females, 28 males; age range 12-69 years) referred to the Clinical Biochemistry Laboratory...

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Vitamin B12 among Vegetarians: Status, Assessment and Supplementation

Cobalamin is an essential molecule for humans. It acts as a cofactor in one-carbon transfers through methylation and molecular rearrangement. These functions take place in fatty acid, amino acid and nucleic acid metabolic pathways. The deficiency of vitamin B12 is clinically manifested in the blood and nervous system where the cobalamin plays a key role in cell replication and in fatty acid met...

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Vitamin B12 and folic acid supplementation and plasma total homocysteine concentrations in pregnant Indian women with low B12 and high folate status.

Maternal vitamin B12 deficiency and hyperhomocysteinemia predict poor pregnancy outcome, foetal adiposity and insulin resistance. In India amongst practicing clinicians and policy makers there is little appreciation of widespread vitamin B12 deficiency. We investigated 163 (86 rural, 77 urban) pregnant women attending antenatal clinics in a rural health centre and a referral hospital in the cit...

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ژورنال

عنوان ژورنال: Clinical Chemistry

سال: 2001

ISSN: 0009-9147,1530-8561

DOI: 10.1093/clinchem/47.6.1094