vitamin DvitaminsThe Diels-Alder addition reaction of tetracyanoethylene (TCE) to ergocalciferol and ergocalciferyl acetate has been studied. The characteristics of the reaction and the stability of the adduct of TCE and ergocalciferyl acetate suggest the possibility of using this reaction in a ...
DEVICES AND METHOD OF CAUSING CHEMICAL REACTION TO SUPPLEMENT VITAMIN D PRODUCTIONDEVICES AND METHOD OF CAUSING CHEMICAL REACTION TO SUPPLEMENT VITAMIN D PRODUCTIONA method of supplementing vitamin D in a living organism by using an artificial lighting system. The lighting system includes a plurality of...
BACKGROUND: Adverse cutaneous reaction to vitamin K manifests in sclerodermatous or erythematous plaque-like reactions. Most of the cases with erythematous plaque-like dermatitis arising at the site of intramuscular vitamin K injection were recalcitrant and did not respond to various attempts with topic...
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of vitamin D. The optimal quantity for the colorimetric determina· tion has been found to be within the limits of 0·01- 0·l mgm. The detection of vitamin D in mixtures containing vitamin A and related products (for example , cod liver oil) can only be carried out after removal of ...
There is growing epidemiological evidence linking serum 25 hydroxy-vitamin D (25(OH)D) concentrations to outcome in cardiovascular and other diseases. We have studied patients with acute myocardial infarction (AMI) to determine if they exhibit an acute phase reaction affecting 25(OH)D. Patients (...
摘要: Conclusion: The present study showed no correlation between serum concentrations of 25(OH)D and TST reactions, but this could be explained in the context of vitamin D deficiency present in all patients included in the study.DOI: 10.1530/endoabs.35.P168 年份: 2014 ...
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In an alternative reaction series, the so-called kynurenine pathway, tryptophan is catabolized to form nicotine amides and the vitamin niacin X11 as end products. Simultaneous measurement of serum tryptophan and kynurenine by HPLC More results ► Encyclopedia browser ? ▲ reactance-tube modulator rea...
in an approach to vitamin A, the acid (3) was obtained from β-ionone and ethyl γ-bromocrotonate (Scheme 5). In some cases reaction follows an abnormal course to give a product formed by attack at C-2 of thecrotonate, depending on the structure of the carbonyl component and the reacti...