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NTIS 바로가기생명과학회지 = Journal of life science, v.23 no.5 = no.157, 2013년, pp.657 - 663
김상우 (부산대학교 체육교육과) , 정선태 (경상대학교 체육교육과) , 백영호 (부산대학교 체육교육과)
The purpose of this study was to examine the effects of a cheonggukjang diet and aerobic exercise on lipid metabolism and antioxidant enzyme activity in rats. Thirty-two Sprague Dawley rats were randomized into a cheonggukjang diet with aerobic exercise (A), aerobic exercise (B), cheonggukjang diet ...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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규칙적인 유산소 운동은 어떤 이점이 있는가? | 건강유지, 증진을 위한 규칙적인 유산소 운동은 과도한 운동 시 발생되는 피로와 통증을 유발하는 혈중 젖산 농도를 낮추고, 생활습관병 등의 위험인자에 대한 개선을 가져올 수있으며, 운동 시 심박수 감소, 최대산소섭취량의 증가, 혈압의 감소 등 심폐의 기능의 개선을 가져오고[34], HDL-C (high density lipoprotein cholesterol)의 증가시킴과 동시에 LDL-C (low density lipoprotein cholesterol)의 감소, MDA (malondialdihyde) 농도의 저하, SOD (superoxide dismutase) 활성도를 증가시킨다[2]. | |
산소 유리기 이론은 무엇인가? | 그러나, 적절한 운동 강도와 시간을 벗어난 격렬한 운동은 인체에 부정적인 영향을 미치고[14], 과도한 운동이 노화와 암등의 질병을 초래할 수 있다는 산소 유리기 이론(oxygen free radical theory)이 제시되면서 이는 체내 항산화 효소의 방어 작용, 세포막과 유전자의 손상 및 변성을 야기하고[22], 활성산소는 주로 세포막의 고불포화 지방산과 반응하여 지질과산화를 촉진하고 단백질, 지질 및 당질 등의 생체 성분과 반응하여 세포의 산화적 손상을 초래한다[30]. | |
산소 유리기 이론에 따른 세포의 산화에 따른 스트레스를 방어하는 항산화 인자에는 무엇이 있는가? | 이러한 산화적 스트레스를 방어하는 주된 역할을 담당하는 항산화 인자에는 superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) 및 catalase (CAT) 등의 항산화효소와 glutathione (GSH), 토코페롤, 아스코르브산, 카로티노이드 및폴리페놀 화합물 등 식물 유래의 천연 항산화 물질이 있다고 보고되고 있다[7]. |
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