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題名 | The Influence of Ingestion Glucose Beverage before Graded Exercise to Exhaustion on Saliva IgA Concentration in Hypoxia and Normoxia Environment= |
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作者 | Wu, Ching-lin; Lin, Han-szu; Chiu, Chih-hui; Fang, Shih-hua; Cheng, I-shung; Chang, Cheng-kang; |
期刊 | International Journal of Sport and Exercise Science |
出版日期 | 20090400 |
卷期 | 1:2 2009.04[民98.04] |
頁次 | 頁55-58 |
分類號 | 528.9012 |
語文 | eng |
關鍵詞 | Hypoxia; Saliva IgA; Saliva flow rate; |
英文摘要 | In addition to exercise, hypoxia environment might induce higher immune stress. The present study was to investigate the ingestion of glucose before graded exercise to exhaustion in hypoxia environment on immune responses. Eight healthy college students (age:22.1±0.4 yrs; weight: 71.6±2.3kg; height:171.4±2.3cm ) participated in this study. Subjects were ingested either 75g/250ml glucose (G) or placebo (P) drink 30 min before exercise on a cycle ergometer in the hypoxia (H) or normoxia (N) chamber. Exercise intensity was initiated at 75W and was increased 25W every 3 min until volitional fatigue. Saliva samples were collected at fasting, before exercise, immediately after exercise, and 1 hour after exercise. The results showed that the saliva IgA concentrations were slightly increased after the ingestion of glucose but there were no significant difference between the trials. There were no difference in salivary flow rate and adjusted IgA concentrations. The current data suggested that the ingestion of glucose before a single bout graded exercise to exhaustion did not alter salivary immune response in hypoxia environment. |
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