Zusammenfassung
Der Chrom- und Selenium-Gehalt von 35 handelsüblich erhältlichen Enteral-Präparaten wurde nach vorausgegangener Veraschung durch Atomabsorptionsspektrometrie bestimmt. Die tägliche Cr-Aufnahme bei einer 2000-kcal-Diät lag unter der vorgeschlagenen Sicherheitsgrenze und der entsprechenden Aufnahme von 78% der Nahrung. Speziell niedrigcalorische Diät sichert extrem niedrige Dosen dieser Elemente. Bei Se lag nur bei 80% der Diät die Aufnahme unter dem empfohlenen Wert von 50 μg/Tag. Die Se-Konzentration ist positiv korreliert mit dem Proteingehalt (p=0.007), während der Fettgehalt und die Se-Konzentration eine signifitent negative Korrelation zeigte (p=0.002). Es konnte jedoch keine definierte Korrelation zwischen dem Se- und Cr-Gehalt der Lebensmittel gefunden werden (p > 0.1).
Summary
Chromium and selenium contents of thirty-five commercially available enteral feed were determined by atomic-absorption spectrometry after previous wet ashing. Daily chromium intake, based on a 2,000 kcal (8,368 kJ) diet, was below the proposed safe and adequate intake for 78% of the feedings. Hypocaloric diets especially provided extremely low doses of this element. For selenium nearly 80% of the diets provided intakes below the recommended 50 μg/day. Selenium concentration was positively correlated with the protein content (p=0.007), whilst fat content and selenium concentrations showed a significant negative correlation (p=0.002). No definite correlation could be found between the selenium and chromium content of the food (p>0.1).
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Darunter fällt die sogenannteFormula-Diät und die bilanzierte synthetische Diät, unter anderem adaptierte Milchpräparate (Der Herausgeber)
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Van Schoor, O.E., Robberecht, H.J., De Leeuw, I. et al. Chromium and selenium levels in commercially available enteral nutrition. Z Lebensm Unters Forch 180, 26–29 (1985). https://doi.org/10.1007/BF01042907
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DOI: https://doi.org/10.1007/BF01042907