ASCORBATE AND EXERCISE IN THE NORTHERN-IRELAND POPULATION

PC SHARPE, D MACAULEY, EE MCCRUM, G STOTT, AE EVANS, C MULHOLLAND, CAG BOREHAM, E DULY, TR TRINICK

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    Abstract

    The relationship between physical activity, physical fitness and serum ascorbate 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 of N. Ireland. Physical activity profile was recorded by computer assisted interview and physical fitness was determined by estimation of VO2 max by extrapolation from submaximal oxygen uptake. Serum ascorbate was measured using a colorimetric reaction of 2,4 dinitrophenylhydrazine with dehydroascorbate. Mean serum ascorbate was greater in females than males (p < 0.001), and was lower in smokers than non-smokers in both males (p = 0.01) and females (p < 0.001). There was no statistically significant relationship between serum ascorbate and age, social class, body mass index, physical activity or physical fitness in males but there was a relationship with age (p < 0.01) and physical fitness (p < 0.05) in females.
    Original languageEnglish
    Pages (from-to)277-282
    JournalInternational Journal for Vitamin and Nutrition Research
    Volume64
    Issue number4
    Publication statusPublished - 1994

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