The change in salivary taurine level following 3 consecutive soccer match in collegiate male soccer players

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  • Ra Song-Gyu
    Graduate School of Comprehensive Human Sciences, University of Tsukuba Japan Society for the Promotion of Science
  • Maeda Seiji
    Faculty of Health and Sport Sciences, University of Tsukuba
  • Imai Tomoko
    Sport Research and Development and Core, University of Tsukuba
  • Miyakawa Shumpei
    Faculty of Health and Sport Sciences, University of Tsukuba

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  • 男子大学サッカー選手における試合合宿前後の唾液中タウリン濃度の変動
  • ダンシ ダイガク サッカー センシュ ニ オケル シアイ ガッシュク ゼンゴ ノ ダエキ チュウ タウリン ノウド ノ ヘンドウ

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Abstract

Strenuous and consecutive exercise results in fatigue symptoms accompanied decrease in salivary secretory immunoglobulin A (sIgA) in athletes. On the other hand, it has been reported that plasma taurine concentration was increased after the high intensity exercise. However, change in salivary taurine concentration after strenuous and consecutive exercise is unknown. The purpose of this study was to investigate the relationship between fatigue symptoms and changes in salivary taurine concentration in collegiate male soccer players. Thirty seven collegiate male soccer players participated in three consecutive days of match program. To detect of fatigued players, we measured awakening heart rate and body weight. As the results of these two measurements, we divided subjects to two groups (non-fatigue group, n=15; fatigue group, n=22). We also measured salivary sIgA and taurine concentrations before and after program. Before the program, there were no significant differences in any parameters between two groups. Salivary flow rate and sIgA secretion rate were significantly decreased after the program in the fatigue group. Furthermore, salivary taurine concentration was significantly increased after the program in the fatigue group. In the non-fatigue group, there were no significant differences in any parameters during program. Our results indicated that salivary taurine concentration increased after consecutive high-intense exercise in the collegiate male soccer players.

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