Effect of Nutritional Intake on the Change in Sweetness Preference from a Long Run in Hot Conditions

DOI Web Site 22 References
  • Akiyama Yoshiko
    Graduate School of Agriculture, Tokyo University of Agriculture
  • Mekata Yuko
    Graduate School of Agriculture, Tokyo University of Agriculture
  • Shiozawa Nobuyoshi
    Graduate School of Agriculture, Tokyo University of Agriculture
  • Hayashi Kaori
    Graduate School of Agriculture, Tokyo University of Agriculture
  • Takahashi Noriko
    Department of Health Care and Nutrition, Showagakuin Junior College
  • Hirata Harumi
    Department of Health and Nutrition, Academy of Public Health, Kitasato University
  • Kimira Mitsuru
    Department of Nutritional Science, Faculty of Applied Bio-Science, Tokyo University of Agriculture
  • Kashimura Osamu
    Laboratory of Health Science, Centers of the Faculty of International Agriculture and Food Studies, Tokyo University of Agriculture
  • Kawano Yukari
    Department of Nutritional Science, Faculty of Applied Bio-Science, Tokyo University of Agriculture

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Other Title
  • 暑熱環境下での一過性走運動による甘味嗜好性変化のパターンと栄養素等摂取量との関わり
  • ショネツ カンキョウカ デノ イッカセイ ソウウンドウ ニ ヨル カンミ シコウセイ ヘンカ ノ パターン ト エイヨウソ トウ セッシュリョウ トノ カカワリ

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Abstract

The relationship between sweetness preference and habitual nutrient intake, and the effect of a 14, 000-m run in heat on the sweetness threshold and sweetness preference of male collegiate runners are examined.<br>Twenty-six male runners completed sweetness threshold and sweetness preference tests before and immediately after the run. Although the individual sweetness threshold was unchanged by the run, there was a large variation in the change in sweetness preference among the runners.<br>Based on the difference in sweetness preference before and after the run, the subjects were divided into three groups: increased (group I; n=11), unchanged (group II; n=9) and decreased (group III; n=6). The levels of the sweetness threshold before and after running were unchanged among the three groups, but the sweetness preference after running was significantly higher in group I than in group III. The group I runners consumed significantly less carbohydrate/kg of body weight and micronutrients than the group III runners.<br>Habitual nutrient intake might therefore be closely implicated in the change in sweetness preference due to running.

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