Die Veraenderungen des Selen- und Vitamin-Status sowie verschiedener Muskelenzyme nach einem Marathonlauf

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Bibliographische Detailangaben
Englischer übersetzter Titel:Changes in the selenium and vitamin state and in different muscular enzymes after a marathon course
Autor:Rokitzki, L.; Logemann, E.; Kruetzfeld, B.; Keul, Joseph
Herausgeber:Boening, D.; Braumann, Klaus-Michael; Busse, M.W.; Maassen, Norbert; Schmidt, W.
Erschienen in:Sport - Rettung oder Risiko für die Gesundheit? 31. Deutscher Sportärztekongress, Hannover 1988
Veröffentlicht:Köln: Dt. Ärzte-Verl. (Verlag), 1989, 1988. S. 77-81, Abb., Lit., Lit.
Format: Literatur (SPOLIT)
Publikationstyp: Sammelwerksbeitrag
Medienart: Gedruckte Ressource
Sprache:Deutsch
ISBN:3769101952
Schlagworte:
GOT
GPT
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Erfassungsnummer:PU199411074304
Quelle:BISp

Abstract des Autors

Endurance stress mainly needs aerobic energy supply and is dependent on increased supply of oxygen. Highly reactive products (hydroperoxides) caused by the reduction of molecular oxygen must be eliminated to minimize cellular membrane structures being attacked by radicals. Animal experiments have shown that the lack of vitamins and selenium can lead to enhanced damage of cellular membranes (nucleus, mitochondria, microsomes). The enzyme glutathione peroxidase having selenium as essential cofactor, together with superoxide dismutases and vitamin E as cell protection complex counteract this cell destruction process. We took blood samples of 13 test persons before, immediately after and 2 hours following a marathon course. Our experiments have shown that throughout all means, the selenium level of the plasma (41-153 micro-g/l) and the vitamin E concentration of the serum (12,5 +/- 3,2 mg/l) were within normal range. Although the muscle enzymes after the marathon course were enhanced they did not show any significant changes compared with similar marathon strains. Based on these results we conclude that the probands had sufficient blood concentrations in terms of the antioxidants selenium, vitamin A, E and beta-carotine. We could not observe an increased release of muscle enzymes due to enhanced cell permeability or cell damage. Verf.-Referat