연구 논문 : 편백나무 잎 추출물의 항산화 활성과 성분분석에 관한 연구

이동숙 ( Dong Sook Lee ),임명선 ( Myoung Sun Lim ),권순식 ( Soon Sik Kwon ),김선영 ( Sun Young Kim ),박수남 ( Soo Nam Park ) 한국공업화학회 2012 공업화학 Vol.23 No.1

본 연구에서는 편백나무 잎 추출물의 항산화 효능 평가와 성분 분석을 통하여 편백나무 잎의 항노화 기능성 화장품 원료로서의 이용 가능성을 평가하였다. Luminol 화학발광법을 이용한 Fe 3+ -EDTA/H2O2 계에서 생성된 활성산소종(reactive oxygen species, ROS)에 대한 편백나무 잎 추출물의 총항산화능은 에틸아세테이트 분획(0.22 μg/mL)과 아글리콘(aglycone) 분획(0.20 μg/mL)에서 모두 L-ascorbic acid (1.50 μg/mL)보다 약 7배 더 큰 항산화 효능을 나타내었다. Rose-bengal로 증감된 사람 적혈구의 광용혈에 대한 편백나무 잎 추출물의 세포 보호 효과를 측정하였을 때 에틸아세테이트 분획과 아글리콘 분획 모두 농도 의존적(5∼25 μg/mL)으로 세포보호효과를 나타내었다. 타이로신네이즈의 활 성 저해 효과(IC50)는 편백나무 잎 추출물의 에틸아세테이트 분획과 아글리콘 분획에서 각각 74.43, 53.80 μg/mL으로 나타났으며 아글리콘 분획의 경우 강력한 미백제로 알려진 arbutin (226.88 μg/mL)에 비해 약 4배 정도 더 우수한 활성을 나타냄을 확인하였다. 편백나무 잎 추출물의 분획은 TLC 크로마토그램에서 3개의 띠를 나타내었고, HPLC 크로마토그램(360 nm)은 3개의 피이크를 보여주었다. 분리된 3가지 성분은 taxifolin, quercetin, 그리고 Kaempferol로 확인되었다. 이상의 결과들은 편백나무 잎 추출물의 분획들은 1 O2을 비롯한 활성산소종을 소거하고 활성산소종에 대항하여 세포막을 보호함으로써 생체계에서, 특히 태양자외선에 노출된 피부에서 항산화제로서 작용할 수 있음을 시사한다. 편백나무 잎 추출물의 분획들은 항산화나 미백용 화장품에 응용가능성을 확인하였다. In this study, the evaluation of antioxidative activity and componential analysis of C. obtusa leaf extracts was carried out. Reactive oxygen species (ROS) scavenging activities (OSC50) of C. obtusa leaf extracts on ROS generated in Fe 3+ -EDTA/H2O2 system were investigated using the luminol-dependent chemiluminescence assay. The ethyl acetate fraction (OSC50; 0.22 μg/mL) and aglycone fraction of C. obtusa leaf extracts (0.20 μg/mL) showed about 7 times more prominent ROS scavenging activity than L-ascorbic acid (1.50 μg/mL). The cellular protective effects of fractions obtained from C. obtusa leaf extracts on the rose-bengal sensitized photohemolysis of human erythrocytes were investigated. The ethyl acetate fraction and aglycone fraction of C. obtusa leaf extracts showed the cellular protective effects in a concentration dependent manner (5∼25 μg/mL). The inhibitory effect (IC50) of ethyl acetate fraction and aglycone fraction on tyrosinase exhibited 74.43 and 53.80 μg/mL, repectively. The aglycone fraction showed four times higher tyrosinase inhibitory effect than arbutin (226.88 μg/mL), known as a whitening agent. The aglycone fraction of C. obtusa leaf extracts showed three bands in TLC chromatogram and three peaks in HPLC chromatogram (360 nm). Three compounds were identified as taxifolin, quercetin and kaempferol. These results indicate that the fractions of C. obtusa leaf extracts can function as antioxidants in biological systems, particularly skin exposed to UV radiation by scavenging 1 O2 and other ROS, and protect cellular membranes against reactive oxygen species. The fractions of C. obtusa leaf extracts can be applicable to new functional cosmetics for antioxidan and whitening effects.

발달적 차이를 기반으로 하는 무용 정서지능과 무용 열정의 관계

이동숙(Lee, Dong-Sook),최현주(Chol, Hyun-Ju) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.3

The purpose of this study was to investigate the difference between dance emotional intelligence and dance passions of high school and college dancers, and to investigate the relationship between emotional intelligence and passion. As a results that verifying the difference of passion according to the school class level, high school dancers were more higher than university dancers about knowledge seeking and self- investing. And the difference of dance emotional intelligence showed high level of dance emotional intelligence in high school dancers compared to university dancers in self emotion recognition and emotional utilization factors. However, the perception of self-emotion by high school dancers were found to affect the motivation of learning. Emotional regulation had a significant effect on knowledge seeking, motivation of learning and physical management, and emotional utilization had a significant effect on self-investment, motivation of learning and physical management. And other"s emotional perception influenced knowledge seeking, and emotional expression had a positive effect on knowledge seeking passion. The perception of self-emotion by university dancers were found to affect self-investment. In addition, emotional regulation had a significant effect on knowledge seeking, motivation of learning, and body management, and emotional utilization had a significant effect on self-investment. The perception of the other’s did not affect dance passion, emotional expression positively affected knowledge seeking and body management.

공연정서에 대응하는 정서지능의 역할 탐색 연구

이동숙(Lee, Dong-Sook),최현주(Chol, Hyun-Ju) 한국체육과학회 2018 한국체육과학회지 Vol.27 No.6

The purpose of this study was to explore the role of performance emotion and emotional intelligence experienced by dancers. The questionnaire to measure performance emotion and emotional intelligence was distributed to 372 majoring in dance, and this data were analyzed based on the research procedure. The results are as follows. Negative emotions such as disgust, sadness, guilt, and contempt showed negative correlations with emotional intelligence factors, and positive emotions of enjoyment, interest, and surprise showed a positive correlation with it. Second, the most influential factor in emotional intelligence was pleasure, and guilt was least affected. Finally, the emotional control of emotional intelligence factors influenced aversion, hostility inward, guilt and contempt and emotional utilization affected all performance emotions. Also, emotional expression affected aversion, sadness, guilt, contempt, and interest. Self-emotion recognition affected all performance emotions. However, intelligence recognizing the emotions of others did not affect performance emotion. Therefore, these results were discussed based on previous research and dance environment.

FULL SPECTRUM COLOR PALETTE를 통한 서울서부지역 유치원 학습실의 색채조화 사례 분석

이동숙(Lee, Dong-Sook),최정신(Choi, Jung-Shin) 한국실내디자인학회 2009 한국실내디자인학회 학술대회논문집 Vol.11 No.1

Color has been recognized as an important factor which has significant effect on the user’s emotion and psychological condition in interior space and in this context. A considerable number of studies have reported the importance of users of full spectrum color in terms of interior space design. In particular, concerning the fact that users of younger age group tend to show more direct response to the colors than to the shapes of object, the issue and importance of color scheme for children"s environments are gaining more attention. Under this circumstance, this study was carried out by investigating color schemes in 5 case kindergartens in Seoul. Color schemes of wall, ceiling, furniture, fabric, and lighting have been analyzed and evaluated from the view point of how well coordinated with various color choices of full spectrum color palette. Adobe Photoshop CS2 program was used for analysis. As a result, most of the cases showed a considerable use of yellow and red color.

조리교육의 서비스품질이 교육만족 및 행동의도에 미치는 영향 : 강사자질의 조절효과

이동숙(Lee, Dong-Sook),김경자(Kim, Kyung-Ja) 한국외식경영학회 2020 외식경영연구 Vol.23 No.1

The purpose of this study is to investigate the effect of the quality of education service on the educational satisfaction and behavioral intention of the cooking education as the controlling variables of the instructor 337 students were analyzed. Educational service quality (education contents, education service) has a significant positive effect on satisfaction of education, and education contents have more influence than education service. In addition, it was confirmed that the higher the satisfaction level of education, the more positive the behavior is expressed. It is suggested that the qualities of instructors should be the first priority to improve the qualities of instructors in the educational institutes by analyzing the qualitative adjustment effect of education contents and education service.

무용수의 능력믿음과 목표 및 자신감의 인과 관계 검증

이동숙(Dong-Sook Lee) 한국엔터테인먼트산업학회 2020 한국엔터테인먼트산업학회논문지 Vol.14 No.2

이 연구는 고등학교, 대학교 무용 전공자들의 능력 믿음이 성공적인 목표지향에 어떤 영향을 미치고 목표의 변화는 무용 공연자신감에 어떤 영향을 미치는지 인과관계를 검증하고자 하는 목적으로 수행되었다. 이에 172명의 무용 전공자들을 표집해 무용 능력에 대한 믿음과 접근 및 회피의 숙달 목표 지향 및 무용 공연 자신감 척도에 대한 자료를 수집하여 상관분석 및 구조방정식 분석과 경로분석을 통해 연구결과를 도출하였다. 분석결과는 각각의 변수 간 타당도 분석결과 선행연구에 기초하여 타당한 요인구조와 신뢰도를 보여주었다. 이에 연구변수에 대한 구조방정식을 통해 이론적 가설이 적합함을 확인하였으며, 경로분석을 통해 각각의 변수의 경로를 확인하였다. 분석결과 능력은 노력에 의해 향상시킬 수 있다고 생각하는 증가된 믿음은 목표에 대한 노력행동을 향상시키고 결과적으로 무용 자신감을 증진시키는 것으로 나타났다. 또한 능력은 고정된 의미의 변화되지 않는다고 지각하는 고정된 믿음은 회피목표에 영향을 미치고 자신감을 감소시키는 것으로 분석됐다. 이러한 결과는 자신의 능력을 노력에 의해 변화시킬 수 있다고 믿을수록 목표를 이루고자하는 행동을 강화시켜 결과적으로 무용 자신감을 향상시키는 결과를 가져온다고 해석할 수 있다. 따라서 후속연구에서는 이러한 모형의 경로가 전공이나 무용 경력에 의해 차이가 있는지를 알아보고, 실제 공연의 성공여부를 측정할 수 있는 변인을 투입하여 이러한 연구 변수의 설명력을 강화할 수 있는 연구가 이뤄져야 할 것으로 판단된다. The study was conducted to verify the causality of the ability of high school and college dance majors to influence the successful goal orientation and how the change in goal affects the sense of dance performance self-confidence. In this regard, 172 dance majors were collected to collect data on their belief in dance ability, the direction of mastery goal of approach and avoidance, and the measure of confidence in dance performance, and the results of their studies were derived through correlation and structural equation analysis and path analysis. The analysis results showed reasonable factor structure and reliability based on the preceding study of feasibility analysis results between variables. Thus, the structural equation for the study variables confirmed that the theoretical hypothesis was suitable, and the path of each variable was verified through the path analysis. The analysis showed that the increased belief that ability can be improved by effort has been found to improve the effort and consequently the confidence in dancing. Also, the fixed belief that ability is not changing in a fixed sense has been found to affect the avoidance goal and reduce confidence. It can be interpreted that the more one believes that one can change one’s ability by effort, the more one strengthens one’s actions to achieve one’s goal, thereby improving one’s dance confidence. Therefore, it is deemed necessary for subsequent studies to explore whether the paths of these models differ by their major or dance careers, and to apply variables that can measure the success or failure of actual performances to enhance the explanatory power of these research variables.

은방초 생애사로 본 남성무용수의 상징과 의미

이동숙 ( Lee Dong-sook ) 한국융합과학회(구 한국시큐리티융합경영학회) 2021 한국융합과학회지 Vol.10 No.3

연구목적: 신무용기는 새로운 도약의 무용역사에 중점을 둔 시기이지만 학문적 자료 연구는 미흡한 상황이다. 신무용가 은방초 연구를 통해 동.서양의 남성무용가의 역할과 특징을 조명하고 새로운 교육 방법의 기초로 삼고자 한다. 연구방법: 문헌연구와 자료연구를 토대로 신무용기의 은방초의 활동과 동.서양의 남성무용수의 특징에 대해 고찰해 보고자 한다. 결론: 첫째, 남성무용수의 성이미지 변환을 통한 여장무용의 형태는 동.서양의 무용역사에 차이는 있으나 여러 형태로 내재되어 있으며 역사 또한 깊다. 둘째, 신무용기를 통해서도 여장무용을 추어온 남성무용수의 흔적을 찾을 수 있으며 1950-1960년대 주로 활동한 은방초의 경우 남성 여장춤을 많이 추었고 자신의 춤을 전통적인 민속춤, 신무용의 극적구성, 동물모방적 표현 소재 등의 세 가지 측면에서 다양하게 활용하는 탁월함을 보였다. 셋째, 무용교육의 핵심인 전인교육의 목적의 새로운 시대변화에 따른 다양한 교육방법과 재교육 프로그램 등 전기가 마련되어야 한다. Purpose: Although the new dance period focuses on a new history of dance, academic data research is insufficient. Through the study of Sin Dancer Eunbangcho, it is intended to shed light on the roles and characteristics of male dancers in the East and the West and use them as the basis for new educational methods. Methods: Based on research on literature and research on materials, we would like to examine the activities of Eunbangcho during the New Dance Period and the characteristics of male dance water in the East and West. Result: First, the form of female dance through the transformation of the male dancer's gender image differs in the history of dance in the East and the West, but it is embedded in many forms and has a deep history. Second, traces of male dancers who have performed female dance can be found through the New Dance Period. Eunbangcho, which was mainly active in the 1950s and 1960s, performed male dance, and showed excellent use of one’s own dance in three ways: traditional folk dance, new dance dramatic composition, and animal mimicry. Third, electricity should be prepared, such as various educational methods and re-education programs following the change of the new era for the purpose of all-in-one education, which is the core of dance education.

전통적 모유량 증가방법에 관한 연구

이미라(Mi La Lee),서연옥(Yeon Ok Suh),조정호(Cheong Ho Cho),김태임(Tae Im Kim),박영숙(Young Sook Park),박송자(Song Ja Park),박인숙(In Sook Park),박종숙(Jong Sook Park),이혜경(Hae Kyung Lee),임현빈(Hyun Bin Yim),조동숙(Dong Sook Cho) 여성건강간호학회 1993 모자간호학회지 Vol.3 No.2

수중운동 프로그램의 효과에 대한 논문분석

김종임(Kim, Jong Im),조경숙(Cho, Kyung-Sook),심희숙(Sim, Hee Sook),이은남(Lee, Eun Nam),이인옥(Lee, In Ok),은영(Eun Young),이동숙(Lee, Dong Suk),강현숙(Kang, Hyun Sook),박원숙(Bak, Won-Sook),이지현(Lee, Ji Hyun) 대한근관절건강학회 2011 근관절건강학회지 Vol.18 No.2

여대생의 골밀도와 영향 요인에 관한 연구

조동숙 ( Dong Sook Cho ),이정윤 ( Jeung Yun Lee ) 한국여성건강간호학회 2008 여성건강간호학회지 Vol.14 No.4