생명과학회지 (Journal of Life Science)

  • 제21권2호
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  • Pages.322-327
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  • 2011
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
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녹차섭취와 운동에 의한 비만 청소년의 혈중 biochemical marker 함량 감소

Green Tea Intake and Exercise Reduce Some Biochemical Markers of Obese Adolescents

  • 양재경 (경상대학교 환경산림과학부, 농업생명과학연구원) ;
  • 정지영 (경상대학교 환경산림과학부, 농업생명과학연구원) ;
  • 강설중 (경상대학교 체육교육과) ;
  • 정강원 (경상대학교 생명과학부) ;
  • 김종철 (하동 녹차연구소) ;
  • 고성경 (대구대학교 체육학과) ;
  • 정소봉 (경상대학교 체육교육과)
  • Yang, Jae-K. (Division of Environmental Forest Science, Gyeongsang National University, Institute of Agriculture & Life Sciences) ;
  • Jung, Ji-Y. (Division of Environmental Forest Science, Gyeongsang National University, Institute of Agriculture & Life Sciences) ;
  • Kang, Seol-J. (Department of Physical Education, Gyeongsang National University) ;
  • Cheong, Gang-W. (Division of Applied Life Sciences, Gyeongsang National University) ;
  • Kim, Jong-C. (Institute of Hadong Green Tea) ;
  • Ko, Seong-K. (Department of Physical Education, Daegu University) ;
  • Jeong, So-B. (Department of Physical Education, Gyeongsang National University)
  • 투고 : 2011.01.31
  • 심사 : 2011.02.11
  • 발행 : 2011.02.28
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초록

녹차섭취와 유산소운동이 비만 남자중학생의 체중과 혈중 biochemical marker에 미치는 영향에 관하여 연구하였다. 체지방율이 25% 이상인 비만 남자중학생 36명을 대상으로 대조군(n=9), 녹차처리군(n=9), 운동군(n=9)과 녹차와 운동 병행군(n=9)으로 분류하여, 운동은 주 5회 60분씩 12주간 실시하였고, 녹차는 녹차열수출물을 음용(녹차건중 1.5-1.7 g/일) 하였다. 대조군은 녹차처리군이 섭취한 양의 물을 섭취하였다. 실험 시작전과 12주 후의 혈중 TNF-$\alpha$, IL-6, leptin, TG 및 HDL-C 함량을 측정하였다. 대조군을 포함한 모든 처리군에서 체중 변화는 없었으나 병행군은 복부지방률이 감소하였다. 대조처리는 TNF-$\alpha$, IL-6 및 leptin 함량에 아무런 영향을 미치지 않았다. 녹차처리는 leptin (p<0.05)을 감소시켰고, TG (p<0.01)는 증가시켰다. 운동은 TNF-$\alpha$ (p<0.05), IL-6 (p<0.01) 및 leptin (p<0.05) 함량을 감소시켰다. 또한 녹차처리와 운동 병행은 IL-6 (p<0.05), leptin (p<0.05) 및 HDL-C (p<0.01) 함량을 감소시켰다. 이 결과는 녹차섭취나 운동은 젊은 비만 중학생의 혈중 염증 cytokine인 TNF-$\alpha$α, IL-6 및 leptin 함량 감소에 효과가 있었으나, 녹차섭취와 운동의 병행에 의한 synergy 효과는 없었다.

The effects of green tea consumption and/or exercise for 12weeks on body weight and select biochemical markers in plasma were evaluated in obese adolescents with a fat ratio of greater than 25%. The subjects were randomly divided into a control group (n=9), green tea consumption group (n=9), exercise group (n=9) and green tea consumption with exercise group (n=9). Subjects in both green tea consumption group and green tea consumption with exercise group were given more than five cups of green tea extract in hot water ($90^{\circ}C$) daily, equivalent to 1.5-1.7 g dry green tea, for 12 weeks. Subjects in both the exercise group and green tea consumption with exercise group participated in a training program (HRmax 60-70%, 60 min/day) for 12 weeks. Control subjects were only given water equal to the quantity of green tea being given to the subjects of green tea consumption. No significant changes body weights were seen in any of these treatments, but the waist to hip ratio was reduced with treatments of both green tea and exercise. The control group showed no significant changes in TNF-$\alpha$, IL-6 and leptin levels. Green tea consumption reduced leptin (p<0.05), TNF-$\alpha$, and leptin levels. Exercise lowered TNF-$\alpha$ (p<0.05), IL-6 (p<0.01), and leptin (p<0.05) concentrations. Meanwhile, a combination of green tea consumption and exercise lowered TNF-$\alpha$, IL-6 (p<0.05) and leptin (p<0.05) levels. These results indicate that green tea consumption and exercise both had a positive effect on the reduction of inflammatory cytokines, TNF-$\alpha$, IL-6 and leptin, in obese adolescents, but no synergistic effect on the reduction of these cytokines.

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