Enhanced Urinary Excretion of Co60 Vitamin B12 Produced by Delayed Release Capsules

Urinary excretion of vitamin B12.

rfHE ANNOUNCE\-IENT of the discoveryof vitamin 1312 in 1948 byRickes, et a!.’ in this coumitry amid hi y Smith, et al.2 in Emiglamid imiitiat-e(! its use in various climiical entities. The principal use has been in the treatment of permiicious -anemia. The dosage of this drug has beemi more or less empirically established!. The hematologic amid subjective responses of the patient with permiicio...

The urinary excretion of assayable vitamin B12 and radioactivity after parenteral 58Co B12 in man.

Evidence is presented that after injection of radioactive vitamin B(12) in man, there is a close correlation between the amount of radioactivity excreted and the amount of assayable vitamin B(12) excreted, and thus that the amount of radioactivity excreted is a true measure of the vitamin B(12) excreted. The possible reasons for this occurrence are discussed and it is suggested that in the body...

Quantitative assay of intrinsic factor activity by urinary excretion of radioactive vitamin B12.

S INCE THE INTRODUCTION of the tmrinary excretion test (UET) by Schilling’ for the measurement of vitamin B,2 absorpti , various investigators have reported OIl the modifications, validity and quantitative interPretations of the test as applied to the assay of intrinsic factor.28 There have been several reports on certain variables in the UET which need further investigation. Sllggested oral do...

Enhanced Vitamin B12 Production using Chlorella vulgaris

Microalgae Chlorella Vulgaris is enriched in vitamin B12 and cobalt ion which is positioned in the center of the vitamin molecule. This study aimed to investigate how different concentrations of cobalt chloride salt affected the vitamin B12 production by utilizing CO2  gas, to assess C. vulgaris biomass. Therefore, Bold’s basal medium used as the medium and  0.5, 1....

Effect of folic acid deficiency on absorption of Co60 labeled vitamin B12 by rats.