منابع مشابه
Ascorbic Acid Metabolism in Rats
1. The effect ofdietary molybdenum on the growth rate and also on ascorbic acid metabolism in rats was studied. An excess of dietary molybdenum resulted in growth retardation and loss of weight. Tolerance to molybdenum was affected by the nature ofthe molybdenum salt administered. 2. Molybdenum ingestion altered certain aspects of ascorbic acid metabolism in rats. The conversion ofD-glucuronola...
متن کاملAscorbic acid function and metabolism during colds.
Investigations of the relationship between symptoms of the natural common cold and administration of supplementary vitamin C must record and take into account the following factors: 1. Definition of the cold syndrome in terms of incidence (number of colds per person in unit time, generally taken as duration of study); duration of syndrome (number of days during which a defined number of symptom...
متن کاملL-Ascorbic acid degradation by bacteria. VIII. All the pathway in the L-ascorbic acid metabolism.
The medium used contained 3g of substrate, 150ml of 1/15M phosphate buffer and 150ml of sterile distilled water. 0.5g (dry weight) of the adapted cells was added to the medium and the whole was incubated at 30•‹ for 20 hours. For detecting the intermediate products, paper chromatography was chiefly used. For developing the nonvolatile acids, n-butanol-acetic acid-water (4:1:1) was used and the ...
متن کاملAscorbic acid uptake and metabolism by corneal endothelium.
Ascorbic acid is concentrated in various ocular compartments where it is thought to protect diurnal animal species against damaging effects of ultraviolet radiation. The authors evaluated the possibility that corneal endothelial cells have specific transport and/or metabolic properties that deliver ascorbic acid to the stroma. Bovine corneal endothelial cells were grown to confluence in multipl...
متن کاملAscorbic acid: metabolism and functions of a multi-facetted molecule.
Ascorbic acid (vitamin C) is the most abundant antioxidant in plants. Its biosynthetic pathway via GDP-D-mannose and L-galactose, which was proposed only recently, is now supported by molecular genetic evidence from Arabidopsis thaliana and transgenic potato plants. Except for the last step (which is located on the inner mitochondrial membrane) the pathway is cytosolic, sharing GDP-sugar interm...
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ژورنال
عنوان ژورنال: THE JOURNAL OF VITAMINOLOGY
سال: 1954
ISSN: 0022-5398
DOI: 10.5925/jnsv1954.1.55