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The effect of graded ascorbic acid intake on the activity of GSH-Px in the liver of female guinea pigs

Einfluß der Fütterung steigender Ascorbinsäuremengen auf die Aktivität der GSH-Peroxidase in der Leber von Meerschweinchen

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Summary

Differing antioxidant potentials created by graded ascorbic acid supplementation (1, 10, 100 mg per animal daily) evoked changes in the level of glutathione peroxidase activity and lipid peroxides in the liver of female guinea pigs. The group with the lowest ascorbic acid intake (1 mg) had the lowest activity of glutathione peroxidase and the highest level of lipid peroxides. The two other groups (10 and 100 mg) showed enhancement of glutathione peroxidase activity and decline in lipid peroxides. There was no difference between the groups with 10 and 100 mg ascorbic acid intake.

Zusammenfassung

Verschiedene Werte an antioxidativem Potential, erzeugt mit Hilfe verschiedener Konzentrationsstufen an Ascorbinsäure (1, 10, 100 mg/Tier/Tag) führten zu Veränderungen in der GSH-Px Aktivität und der Menge den Lipidperoxiden in der Leber von Meerschweinchen. Die Gruppe mit der kleinsten Dosierung (1 mg) von Ascorbinsäure hatte die niedrigste GSH-Px Aktivität und den höchsten Anteil an Lipidperoxiden. Die zwei anderen Gruppen zeigten eine Erhöhung der GSH-Px Aktivität und Senkung von Lipidperoxiden auf. Es bestand kein Unterschied zwischen den Gruppen mit der Dosis von 10 und 100 mg Ascorbinsäure.

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Abbreviations

AA :

ascorbic acid

GSH-Px:

glutathione peroxidase

LPO:

lipid peroxides

MDA :

malone dialdehyde

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Kováciková, Z., Ginter, E. & Madaric, A. The effect of graded ascorbic acid intake on the activity of GSH-Px in the liver of female guinea pigs. Z Ernährungswiss 34, 220–223 (1995). https://doi.org/10.1007/BF01623161

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  • DOI: https://doi.org/10.1007/BF01623161

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