| 光谱学与光谱分析 |
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| Evaluating Fatigue Resistance Effect of Health Food by Near-Infrared Tissue Oximeter |
| WU Jian1, DING Hai-shu2, YE Da-tian1 |
1. Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China
2. Department of Biomedical Engineering, Tsinghua University, Beijing 100084, China |
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Abstract Currently, chronic fatigue syndrome (CFS) seriously affects people’s normal living and work. In the present paper, the physiological parameters, such as tissue oxygenation saturation and heart rate, were used to evaluate the subjects’ fatigue degree, and the fatigue resistance capsule and coffee were taken as a measure to adjust the fatigue. Human tissue oxygen saturation (rSO2) can be monitored noninvasively and in real time by near infrared spectroscopy (NIRS) based on spatially-resolved spectroscopy. Aiming at those brainworkers who need to work in an office for a long time; two static experiments were designed to evaluate the fatigue degree of the subjects who either take the fatigue resistance capsules/coffee or not. The rSO2 and heart rate (HR) of the subjects in the experiment group and contrast group were measured respectively for fatigue evaluation. This work particularly analyzed the changes in rSO2 in these two groups. The results show that the rSO2 of subjects in the experiment group evidently increased compared to that in the contrast group when the subjects took the fatigue resistance capsule or coffee, thereby show that the health food can reduce the fatigue to a certain extent.
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Received: 2008-05-06
Accepted: 2008-08-09
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Corresponding Authors:
WU Jian
E-mail: wuj@sz.tsinghua.edu.cn
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