Effect of vitamin E supplementation on post-exercise plasma lipid peroxidation and blood antioxidant status in smokers: with special reference to haemoconcentration effect

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dc.contributor.buuauthorGür, Esma Sürmen
dc.contributor.buuauthorÖztürk, Ercan
dc.contributor.buuauthorGür, Hakan
dc.contributor.buuauthorPündük, Zekine
dc.contributor.buuauthorTuncel, Pınar
dc.contributor.departmentUludağ Üniversitesi/Tıp Fakültesi/Biyokimya Anabilim Dalı.tr_TR
dc.contributor.departmentUludağ Üniversitesi/Tıp Fakültesi/Spor Hekimliği Anabilim Dalı.tr_TR
dc.contributor.orcid0000-0001-7377-9682tr_TR
dc.contributor.researcheridAAG-7327-2021tr_TR
dc.contributor.researcheridI-9594-2017tr_TR
dc.date.accessioned2021-06-29T11:01:34Z
dc.date.available2021-06-29T11:01:34Z
dc.date.issued1999
dc.description.abstractThe oxidative effects were investigated of exhausting exercise in smokers, and the possible protective role of 400 mg.day(-1) vitamin E (Vit E) supplementation over a period of 28 days. The subjects exercised to exhaustion including concentric-eccentric contractions following maximal cycling. The haematocrit and haemoglobin, leucocyte (WBC), plasma lactic acid (La) and malondialdehyde (MDA), erythrocyte superoxide dismutase (SOD) and glutathione peroxidase (GPx), serum Vit E and ceruloplasmin (CER) concentrations were measured pre and post exercise. Supplementation increased Vit E concentrations 28% and 31% in the controls and the smokers, respectively. Cigarette smoking and/or Vit E supplementation did not influence plasma lipid peroxidation or the antioxidant status at rest. Exercise caused significant haemoconcentration in all groups. When the post-exercise concentrations were adjusted for haemoconcentration, a significant elevation in La concentrations due to exercise was observed in all groups. Similarly, there were significant elevations in the adjusted WBC counts in all groups except the Vit E supplemented controls. The MDA concentrations on the other hand, when adjusted for haemoconcentration, did not exhibit any difference due to exercise. Exercise did not affect the GPx and CER activities either, while causing a SOD activity loss in all groups except the Vit E supplemented non-smokers. Serum Vit E concentrations diminished significantly in all groups after exercise. Postexercise plasma MDA and blood antioxidant concentrations were not altered by smoking. The results would suggest that plasma volume changes should always be taken into account when assessing post-exercise plasma concentrations and that smoking and exercise do not have an additional collective effect on plasma lipid peroxidation and the dose of Vit E administered was insufficient to maintain the serum concentrations after exercise.en_US
dc.identifier.citationGür, E. S. vd. (1999). "Effect of vitamin E supplementation on post-exercise plasma lipid peroxidation and blood antioxidant status in smokers: with special reference to haemoconcentration effect". European Journal of Applied Physiology, 79(6), 472-478.en_US
dc.identifier.endpage478tr_TR
dc.identifier.issn1439-6319
dc.identifier.issue6tr_TR
dc.identifier.pubmed10344454tr_TR
dc.identifier.scopus2-s2.0-0345299199tr_TR
dc.identifier.startpage472tr_TR
dc.identifier.urihttps://doi.org/10.1007/s004210050539
dc.identifier.urihttps://link.springer.com/article/10.1007/s004210050539
dc.identifier.urihttp://hdl.handle.net/11452/20904
dc.identifier.volume79tr_TR
dc.identifier.wos000080106100002tr_TR
dc.indexed.pubmedPubmeden_US
dc.indexed.scopusScopusen_US
dc.indexed.wosSCIEen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.journalEuropean Journal of Applied Physiologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergitr_TR
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPhysiologyen_US
dc.subjectSport sciencesen_US
dc.subjectFree radicalen_US
dc.subjectExhausting exerciseen_US
dc.subjectVitamin Een_US
dc.subjectSmokingen_US
dc.subjectAntioxidanten_US
dc.subjectTocopherol mobilizationen_US
dc.subjectSubmaximal exerciseen_US
dc.subjectCigarette smokersen_US
dc.subjectOxidative damageen_US
dc.subjectFree-radicalsen_US
dc.subjectSerumen_US
dc.subjectEnzymesen_US
dc.subjectAscorbateen_US
dc.subject.wosPhysiologyen_US
dc.subject.wosSport sciencesen_US
dc.titleEffect of vitamin E supplementation on post-exercise plasma lipid peroxidation and blood antioxidant status in smokers: with special reference to haemoconcentration effecten_US
dc.typeArticle

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