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Pharmacokinetics of orally and intravenously administered riboflavin in healthy humans.
The pharmacokinetics and utilization (flavocoenzyme synthesis) of orally and intravenously administered riboflavin in healthy humans were assessed and clear data indicated that urinary excretion of rib oflavin contributes to one-half of the overall removal of ribOflavin from plasma.
Two interconnected B vitamins: riboflavin and pyridoxine.
- D. B. Mccormick
- Chemistry, MedicinePhysiological reviews
- 1 October 1989
Ce rapport analyse et discute les nombreuses investigations qui ont ete realisees dans le but d'elucider le role des vitamines B 2 et B r , examiner leur metabolisme et caracteriser les effets…
Pyridoxal phosphokinases. I. Assay, distribution, I. Assay, distribution, purification, and properties.
Pyridoxal phosphokinases. II. Effects of inhibitors.
Kinetic properties of pyridoxamine (pyridoxine)-5'-phosphate oxidase from rabbit liver.
COBALAMIN OR VITAMIN B12
The Joint Committee, in commenting on the WHO programme, recommended in order of priority for the initiation of additional projects, should resources become available: the development, in close collaboration with FAD, of vegetable protein diet of high biological value for the attainment of permanent nutritional improvement in under-developed areas.
Flavin composition of human milk.
- Z. K. Roughead, D. B. Mccormick
- Chemistry, MedicineThe American journal of clinical nutrition
- 1 November 1990
The flavin content of human milk samples in this study was higher than contents reported in earlier studies where no correction for the internal fluorescence quenching of FAD was made, and may have implications for dietary recommendations concerning both lactating women and infants.
Update on interconversions of vitamin B-6 with its coenzyme.
Both kinase and oxidase involved in B-6 metabolism are potential targets for pharmacologic agents and the evolutionary retention of homologous portions of pyridoxal kinase in humans as well as bacteria are emphasized.
Formation and mode of action of flavoproteins.
The present study focuses on the characterization of the chiral stationary phase of the F/avoenzymes of dehydrogenase/O�ygen Reductase Enzymes with a focus on the H2O/O2/O3 mixture.
Flavin catabolites: identification and quantitation in human urine.
Riboflavin is the primary flavin excreted in human urine but significant amounts of 7 alpha-hydroxyriboflavin and lesser amounts of 8 alpha-hydroxyriboflavin are present and reflect tissue microsomal…