Document Detail

Exercise intensity and antioxidant ability.
MedLine Citation:
PMID:  20017613     Owner:  NLM     Status:  MEDLINE    
We performed maximal exercise tests on 6 men using a bicycle ergometer and then measured the ferric-reducing ability in plasma to clarify the relationship between antioxidant status and exercise intensity. The ferric-reducing ability showed a rectilinear increase with the increase in exercise intensity, whereas the generation of hydroxyl radicals showed a decrease with the increase in exercise intensity. Also, the generation of hydroxyl radicals showed a symmetrical correlation to lactate level in plasma. These results suggest that antioxidant ability is enhanced with an increase in exercise intensity, and that the lactate level, which increases with physical exercise, may act as a scavenger of free radicals.
Junichi Nagasawa; Kazutoshi Kikkawa; Toshihide Takai; Akira Sakaguchi; Izumi Noguchi; Takako Kizaki; Hideki Ohno
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  Rejuvenation research     Volume:  13     ISSN:  1557-8577     ISO Abbreviation:  Rejuvenation Res     Publication Date:    2010 Apr-Jun
Date Detail:
Created Date:  2010-05-13     Completed Date:  2010-08-10     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101213381     Medline TA:  Rejuvenation Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  172-4     Citation Subset:  IM    
Department of Applied Physics and Chemistry, The University of Electro-Communications, Chofu City, Tokyo, Japan.
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MeSH Terms
Age Factors
Antioxidants / metabolism*
Exercise / physiology*
Exercise Test
Ferric Compounds / blood,  metabolism
Lactic Acid / blood,  metabolism
Oxygen Consumption / physiology
Reactive Oxygen Species / blood,  metabolism
Young Adult
Reg. No./Substance:
0/Antioxidants; 0/Ferric Compounds; 0/Reactive Oxygen Species; 50-21-5/Lactic Acid

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