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감태(甘苔)에서 추출한 Dieckol 성분이 쥐의 인지능력에 미치는 영향
오재근 ( Jae Keun Oh ),송기재 ( Ki Jae Song ),지무엽 ( Mu Yeop Ji ),윤진호 ( Jin Ho Yoon ) 대한본초학회 2014 大韓本草學會誌 Vol.29 No.6
Objectives : The purpose of this study aimed to investigate that dieckol - isolated from Ecklonia cava - supplementation can improve cognitive ability in mice. Methods : 48-male mice(6 weeks old) were divided into four groups; High-Dieckol group(n=12), Low-Dieckol group(n=12), Placebo group(n=12), Control group(n=12) and they were administered orally 5 days per week for 4 weeks at the same time. We performed Morris water maze test, Passive avoidance test, Blood serotonin analysis. And there was examined on neurogenesis in dentate gyrus of hippocampus using 5-bromo-2`-deoxyuridine (BrdU) to label proliferating cells. Results : The results are as follows; As a Morris water maze results, Trial duration was significantly decreased in high dieckol group comparing to placebo group and control group. Distance to target was significantly decreased in high dieckol group and low dieckol group comparing to placebo group and control group. Mean speed was significantly low in high dieckol group comparing to low dieckol group, placebo group and control group. As a Passive avoidance test results, latency time was significantly long in high dieckol group comparing to low dieckol group, placebo group and control group. BrdU cell count was significantly high in high dieckol group comparing to low dieckol group, placebo group and control group. Conclusions : As a conclusion, it is considered that dieckol supplementation might improve learning and cognitive ability.
오재근 ( Jae-keun Oh ),박순철 ( Shun-zhe Piao ),박다운 ( Da-woon Park ),송기재 ( Ki-jae Song ) 한국체육대학교 체육과학연구소 2017 스포츠사이언스 Vol.34 No.2
본 연구는 대한울트라마라톤연맹 소속으로 622km국토종단대회에 참여한 울트라마라톤 주자들을 대상으로 연령, 운동경력, 운동빈도, 운동시간에 따라 금단, 갈등, 애착, 내성, 강박 등 다섯 가지 하위요인으로 구성된 운동중독 척도를 이용해 설문기법 연구를 진행하였다. 운동중독의 성향을 확인하기 위해 강신욱(2009)이 개발한 5점 척도의 총18문항 한국형 운동중독 척도를 활용하였으며, 대회일 기준으로 최근 2년 이내에 대한울트라마라톤연맹(KUMF) 공인 200km이상을 완주하였으며, 종단대회인 622km 울트라마라톤 대회에 참여하여 자발적 참여의사를 밝힌 주자 50명에 한하여 설문을 진행하였다. 또한 정확한 설문조사를 위해 본 연구분야에 관심이 있으며 설문의 내용을 숙지하고 있는 대학원생 3명이 보조연구원으로 참여하였다. 설문결과는 Window 용SPSS/PC 21.0 통계 프로그램을 이용하여 하위요인별 운동중독 성향을 파악하기 위해 연령, 운동빈도, 운동경력, 운동시간 변인별각 두 그룹으로 설정하여 T-test를 통해 자료처리를 실시한 결과는 다음과 같았다. 1. 연령에 따른 금단, 갈등, 애착, 내성, 강박 모든 요인에는 유의한 차이가 나타나지 않았다. 2. 운동경력에 따른 금단, 갈등, 애착, 내성, 강박 모든 요인에는 유의한 차이가 나타나지 않았다. 3. 운동빈도에 따른 금단, 갈등, 내성, 강박 4가지 요인에는 유의한 차이가 나타나지 않았으나 애착요인의 경우 주간 운동참가 횟수가 4회 미만 참가와 4회 이상 참가자에서 유의한 차이가 나타났다(p=.011). 4. 운동시간에 따른 금단, 갈등, 애착, 내성, 강박 모든 요인에는 유의한 차이가 나타나지 않았다. The study was to observed the exercise addiction and the psychological condition of participants(N=50) in the 622 marathon event, which belonged to Korea Ultra Marathon Federation. The questionnaire consists of withdrawal, conflict, attachment, tolerance, and compulsiveness and total 18 questions. The survey results were divided into age, experience, frequency, and time, and T-tested using by windows SPSS PC 21.0 statistics analysis program.. The results are as follows. 1. There was no significant difference in the amount of withdrawal, conflict, attachment, tolerance and compulsiveness and all factors caused by age. 2. There was no significant difference in the amount of withdrawal, conflict, attachment, tolerance and compulsiveness and all factors caused by athletic career. 3. There were no significant differences in the amount of withdrawal, conflict, tolerance and compulsiveness caused by exercise frequency. However, the attachment of participated in the attendance of four or more, and the difference in the number of participants was greater than 4 times(p =.011). 4. There was no significant difference in the amount of exclusion, conflict, attachment, tolerance and compulsiveness and all factors caused by exercise time.