http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
목초액 단기섭취가 훈련된 흰쥐의 항산화 방어기전에 미치는 영향
이수천,김동기,김재우,서효빈,이윤경,전병덕,이동운,류승필,Lee, Soo-Chun,Kim, Dong-Ki,Kim, Jae-Woo,Seo, Hyo-Bin,Lee, Yoon-Kyung,Jeon, Byung-Duk,Lee, Dong-Woon,Ryu, Sung-Pil 한국자원식물학회 2009 한국자원식물학회지 Vol.22 No.4
본 연구는 목초액의 섭취가 훈련된 흰쥐의 항산화방어기전에 미치는 영향을 알아보기 위하여 수행되었다. 실험대상으로는 Sprague-Dawley계 수컷 흰쥐를 사용하였는데 실험그룹은 비운동 대조군과 운동 대조군, 목초액 섭취 비 운동 대조군, 목초액 섭취 운동 대조군으로 나누어 수행하였는데 체중과 혈중성분 변화, 글리코겐 함량, SOD 활성 수준, MDA 함량에 관한 분석을 하였다. 체중과 체지방(장간막, 복막후, 부고환)은 각 그룹 간에 유의한 차이가 없었고, TG와 FFA 농도도 목초액 섭취로 인한 차이는 없었다. Glucose 농도는 대조군 보다 운동군에서 유의한 차이를 나타내었으나 목초액 섭취로 인한 차이는 없었다. 목초액 투여 운동군에서의 SOD 활성은 다른 그룹보다 유의하게 높았다. 운동 대조군에서의 MDA 함량은 비운동 대조군보다 유의하게 낮게 나타났으나 대조군과 목초액 투여군 간의 차이는 없었다. 결론적으로 운동과 목초액 섭취는 산화적 스트레스의 감소에 긍정적인 영향을 줄 것으로 예상된다. The purpose of this study is to know the effect of wood vinegar ingestion on antioxidative defense system in trained rats. Twenty-eight male Sprague-Dawley male rats were used as the subject. Experimental groups were divided into CON-SED(control + sedentary), CON-EX(control + exercise), WV-SED(wood vinegar ingestion + sedentary), and WV-EX(wood vinegar ingestion + exercise), respectively. Body weight and stored fat weight(mesentery, retroperitoneal and epididymal) were not significantly differed in each group. Concentration of TG and FFA was not differed by wood vinegar ingestion. Concentration of glucose was revealed significant difference in exercise group rather than sedentary group, but there was no difference by wood vinegar ingestion between the groups. Contents of SOD in WV-EX group was significantly higher than other three groups. Contents of MDA in CON-EX group was significantly lower than CON-SED group, while the difference between CON group and WV group was not observed. In conclusion, wood vinegar ingestion with exercise seems to have a positive beneficial effects on reducing oxidative stress.
타우린 섭취와 운동훈련이 고지방식이 흰쥐의 글리코겐 저장량 및 항산화 활성의 변화에 미치는 영향
이수천 ( Soo Chun Lee ),김해헌 ( Hae Hun Kim ),류승필 ( Sung Pil Ryu ) 한국운동영양학회 2004 Physical Activity and Nutrition (Phys Act Nutr) Vol.8 No.2
Taurine (2-aminoethane sulfonic acid), a nonprotein amino acid, has hypolipidemic, antiatherosclerotic, and antioxidative effects. In this point of view, twenty-one male Sprague-Dawley rats were used as the subjects. They have fed 40% of high fat diet with or without 15 g/kg of taurine. In addition, they exercise on the treadmill at 27 m/m, 8% of incline for 4 wks. Stored glycogen contents in liver and skeletal muscles were analyzed. In addition. SOD activity and MDA concentration in liver were analyzed. Liver and gastrocnernius muscle glycogen content were significantly increased in taurine supplemented group (p<.05). MDA was significantly decreased in taurine supplemented group (p<.05). And SOD was significantly increased in exercise and taurine supplemented group (p<.05). These results suggested that taurine supplementation before exercise might prevent exercise induced lipid peroxidation and enhance glycogen storage, which might increase exercise performance.
고지방식이 및 고탄수화물식이가 운동시 흰쥐의 글리코겐 이용에 미치는 영향
이상직(Sang Jik Lee),신덕수(Deok Soo Sin),김현국(Hyun Kook Kim),김형렬(Hyung Ryul Kim),이기철(Ki Chul Lee),윤신중(Shin Jung Yun),이수천(Soo Chun Lee) 한국운동영양학회 2001 Physical Activity and Nutrition (Phys Act Nutr) Vol.5 No.1
N/A Carbohydrate and fat on energy metabolism during exercise are essential nutrient, but a number of opinion is divided from their contents of food. In this point of view, to study how high-fat dietary contents affects glycogen utilization, 32 female Sprague-Dawley rats were treadmill trained for 4wk while consuming two high-fat diet and one high-carbohydrate diet. All animals were fed 79% high-fat diet(n=16, HFAT), 70% high-carbohydrate diet(n=16, HCHO). After the final day of training, one-half of rats in each the three groups were run to exhaustion(E), whereas the remaining rats served as rested controls(R). All animals were trained on a motorized rodent treadmill. The animals ran for 30min/d at 28m/min(0% grade). Biochemical analysis items were glycogen. Body weight were similar among the HFAT and 70 HCHO groups. %Fat was significantly greater in animals that consumed the HFAT group than in those on the HCHO group(p<0.05). Generally liver and muscle glycogen concentration had more in the HFR, on the other hand, had less in HFE compared with the others. The average overall glycogen utilization rate was depressed in muscle and liver after animals were on the HFAT. In summary, the present study has suggested that consumption of a 79% high fat diet duringendurance training can lead to an increase in exercise performance in female rats. Some of the consequences training on a F diet are an increase in body fat deposition and slower utilization of glycogen during exercise. These data indicate that rats exposed to a high-fat diet are capable of prolonging exercise in spite of limited glycogen stores.
HCA 섭취가 지구성 운동시 호흡가스대사에 미치는 영향
이기철(Ki Chul Lee),이수천(Soo Chun Lee),류승필(Sung Pil Ryu),김기훈(Ki Hoon Kim),권태동(Tae Dong Kwon),서혜정(Hye Jung Suh),이강우(Kang Woo Lee),오시이야스유끼(Yasuyuki Oishi),토미히로노미(Hironori Tomi),이실관(Sil Kwan Lee),임기원(Ki Won 한국운동영양학회 2001 Physical Activity and Nutrition (Phys Act Nutr) Vol.5 No.1
N/A To purpose of this study was to examine the effect of (-)-hydroxycitrate (HCA) ingestion on expired gas metabolism during endurance exercise as an ergogenic aid. For the propose, six college soccer players participated and were individually asked to take the different amount of HCA(250㎎, 7550㎎, and placebo) for five days. One hour after ingestion of the HCA, expired gas was analyzed at rest and during endurance exercise. The major findings were as follows; 1. The change of VO2 was not significantly different among the three trials; 2. The HCA trials were slightly less RER than the control trial but it was not significantly different; 3. The HCA trials were less in CHO oxidation than the control trial but it was not significantly different; 4. The HCA trials showed slightly higher fat oxidation than the control trial but it was not significantly different; 5. The exercise time to exhaustion was 66.02min for the control trial, 69.43min for the 250㎎ HCA trial, and 70.94min for the 750㎎ HCA trial. In summary, different amount of HCA ingestion for five days was not statistically affected on expired gas metabolism. As shown in RER and fat oxidation, however, it was slightly lower or higher during exercise at 60% VO2max and 80% VO2max exercise compared to control trial. Therefore, HCA ingestion 1h prior to exercise have the effect of ergogenic aid during endurance exercise in athletes.