Sharpe, PC, Duly, EB, MacAuley, D, Gardner, Evie, Mulholland, C, Stott, G, Boreham, CAG, Kennedy, G, Evans, AE and Trinick, TR (1996) Total radical trapping antioxidant potential (TRAP) and exercise. QJM-MONTHLY JOURNAL OF THE ASSOCIATION OF PHYSICIANS, 89 (3). pp. 223-228. [Journal article]
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The relationship between physical activity, physical fitness and total radical trapping antioxidant potential (TRAP) was examined in the Northern Ireland Health and Activity Survey. This was a cross-sectional population study (n = 1600) using a two-stage probability sample of the population. TRAP was calculated using the sum of the individual serum antioxidant concentrations (urate, protein thiols, ascorbate, a tocopherol and bilirubin) multiplied by their respective stoichiometric values. Physical fitness was determined by estimation of VO(2)max by extrapolation from submaximal oxygen uptake, and physical activity was recorded by computer-assisted interview. Mean serum TRAP concentrations were significantly higher in males (653 +/- 8.2 mu mol/l, mean +/- SEM) compared to females (564 +/- 8.0 mu mol/l) (p < 0.0001). Both male and female smokers had significantly lower TRAP values than non-smokers (males p < 0.0001, females p = 0.02). In females, there was a positive relationship of TRAP with age (p < 0.001) and body mass index (p < 0.001) but a negative relationship with physical fitness (p < 0.05). The known beneficial effects of exercise and activity do not appear to be directly mediated through increased antioxidant status.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Life and Health Sciences|
|Research Institutes and Groups:||Institute of Nursing and Health Research|
Institute of Nursing and Health Research > Maternal, Fetal and Infant Research
|Deposited By:||Ms Evie Gardner|
|Deposited On:||27 Jan 2010 15:10|
|Last Modified:||18 Oct 2011 15:31|
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