http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : 정연옥 (검색결과 236 건)
- 무료
- 기관 내 무료
- 유료
-
지리산 자생식물 5종의 성분 분석 및 DPPH, ABTS 활성 실험을 통한 화장품 원료개발-II
정연옥,박노복,Youn Ok Jung,No Bok Park 국립한국농수산대학교 교육개발센터 2024 현장농업연구지 = Journal of practical agricultural resear Vol.25 No.4
지리산에서 자생하는 5종(참나물, 꿩의비름, 함박꽃나무, 산오이풀, 배초향)의 식물을 선정하여 5월부터 9월까지 자생지에서 꽃이 활짝 개화한 상태에서 채집하였다. 채집한 식물은 전초는 추출하여 17종의 폴리페놀 성분을 분석하고 다음으로 꽃, 잎, 줄기, 뿌리를 분리하여 각 부위의 추출물로 DPPH, ABTS, 폴리페놀, 플라보노이드에 관한 실험을 진행하였던바 결과는 다음과 같다. 1. 지리산에 자생하는 5종의 식물에 함유된 폴리페놀 성분은 총 13가지였으며 그중 가장 많은 검출된 물질의 총 함량은 산오이풀로 126.2ppm이었으며 주 물질은 ellagic acid(=ELA) 122.4ppm이었다. 2. DPPH radical 소거활성을 살펴본 결과 산오이풀의 꽃, 줄기, 뿌리에서 가장 좋았으며 다른 식물에서는 꽃 추출물에서 좋은 소거활성도를 나타냈다. 3. ABTS radical 소거활성도가 가장 높은 것은 산오이풀 꽃 추출물에서 가장 높은 13.5㎍/㎖에서였고, 뿌리 16.8㎍/㎖, 잎 22.6㎍/㎖ 순이었다. 그 외 다른 식물에서는 그렇게 큰 ABTS radical 소거활성능을 확인할 수 없었지만 전체적으로 꽃 추출물이 다른 부위인 잎과 뿌리 추출물보다 좋았다. 4. 총 폴리페놀 함량은 가장 많은 것은 함박꽃나무는 잎에서는 161.4mg GAE/g으로 가장 많았고, 다음으로 함박꽃나무의 뿌리와 배초향 뿌리에서 가장 많은 130.0mg GAE/g이었다. 또한 가장 낮은 것은 산오이풀로 나타났다. 5. 총 플라보노이드 함량은 배초향의 뿌리로 186.2mg CAE/g, 꽃에서 166.9mg CAE/g, 잎에서 가장 낮은 116.1mg CAE/g이었다. 이상의 결과에서 나타나듯 산오이풀은 항산화 효능도 우수하며 폴리페놀 성분의 함량도 많아 앞으로 화장품 산업에 충분히 이용 가능할 것이라 생각된다. Five species of plants (Pimpinella brachycarpa (Kom.) Nakai, Hylotelephium erythrostictum (Miq.) H. Ohba, Magnolia sieboldii K. Koch, Sanguisorba hakusanensis Makino, Agastache rugosa (Fisch. & Mey.) Kuntze) native to the clean area of Mt. Jiri were selected. The collection period was from May to September 2021, and the five species plants were collected in their native habitats with flowers in full bloom. The collected plants were extracted with 70% EtOH and 17 kinds of polyphenol components were analyzed. Next, flowers, leaves and roots were separated from plants, extracted with 70% EtOH for each part and experiments were conducted on DPPH, ABTS, total polyphenols, and total flavonoids. The results are as follows. 1. There were a total of 13 polyphenol components contained in the 5 species of plants native to Mt. Jiri. Among them, the total content of the most detected substance was Sanguisorba hakusanensis Makino, which was 126.2 ppm, and the main substance was ellagic acid (=ELA), which was 122.4 ppm. 2. As a result of examining the DPPH radical scavenging activity, the flowers, stems, and roots of Sanguisorba hakusanensis Makino showed the best scavenging activity, while the flower extracts of other plants showed good scavenging activity. 3. The highest ABTS radical scavenging activity was Sanguisorba hakusanensis Makino flower extract at 13.5 ㎍/㎖, followed by roots at 16.8 ㎍/㎖ and leaves at 22.6 ㎍/㎖;. Although such a large ABTS radical scavenging activity could not be confirmed in other plants, the flower extract was overall better than the leaf and root extracts of other parts. 4. The highest total polyphenol content was found in the leaves of Magnolia sieboldii K. Koch, at 161.4mg GAE/g, followed by the highest content in the roots of Magnolia sieboldii K. Koch and the roots of Agastache rugosa (Fisch. & Mey.) Kuntze, at 130.0mg GAE/g. Also, the lowest was found to be Sanguisorba hakusanensis Makino. 5. The total flavonoid content was 186.2mg CAE/g in the roots of Agastache rugosa (Fisch. & Mey.) Kuntze, 166.9mg CAE/g in the flowers, and the lowest was 116.1mg CAE/g in the leaves. As shown in the results above, Sanguisorba hakusanensis Makino has excellent antioxidant efficacy and has a high polyphenol content, so it is expected to be fully utilized in the cosmetics industry in the future.
-
-
성인기 애착유형, 부정적 인지 왜곡 및 우울수준간의 관계
정연옥,이민규 한국심리학회 2005 한국심리학회지 일반 Vol.24 No.1
본 연구는 애착유형과 Beck의 부정적 인지삼제(Cognitive triad) 및 우울간의 관계를 알아보기 위해서 수행되었다. 대학생 265명에게 성인애착 관계질문지를 실시하여 애착유형을 Bartholomew의 자기 및 타인 모델에 따라 4가지로 분류했다. 안정형, 공포형, 집착형, 및 무시형에 속한 학생들은 각각 32. 8%, 6.8%, 17.2% 및 34.7 %였다. 연구결과, 공포형 애착집단 (자기상 부정적, 타인상 부정적)은 안정형 애착집단 (자기상 긍정적, 타인상 긍정적)에 비해 자기, 타인 및 외부세계, 그리고 미래에 대하여 부정적인 인지 왜곡이 심한 것으로 나타났으며, 우울수준도 높았다. 집착형 애착집단 (자기상 부정적, 타인상 긍정적)은 무시형 애착집단 (자기상 긍정적, 타인상 부정적)에 비해 자신, 및 미래에 대한 부정적 인지 왜곡이 심했고, 우울수준도 높았다. 그러나 타인 및 외부세계에 대하여 보다 더 긍정적인 인지를 보이지는 않았다. Bartholomew의 자기 및 타인모델은 부분적으로 지지되었다 The purpose of this study was to investigate the relationship among adult attachment styles, negative cognitive triad, and depression. Following Bartholomew's Self and Other Model of attachment styles, we classified adult attachment styles into 4 categories, which were secure (32.8%), fearful (6.8%), preoccupied (17.2%), and dismissing (34.7%) attachment styles. We investigated negative cognitive triad and depression by CTI (Cognitive Triad Inventory) and BDI (Beck Depression Inventory) for the four attachment categories. People with the fearful attachment style (Positivity of Self and Other Model) reported more negative thinking in self, other and future views of CTI and depression than those with the secure attachment style (Negativity of Self and Other Model). Those with preoccupied (Negativity of Self Model and Positivity of Other Model) style showed more negative thinking about self but no negative thinking about other or world than those with the dismissing attachment style (Positive Self Model and Negative Other Model). It suggested that Bartholomew's Self and Other Model of attachtment styles was partially supported, particularly in the Self Model. Suggestions for further research are presented.
-
지리산 자생식물 5종의 화장품 원료개발을 위한 성분 및 DPPH, ABTS 활성분석
정연옥,강보경,박노복,Youn Ok, Jung,Bo Kyung, Kang,No Bok, Park 국립한국농수산대학교 교육개발센터 2022 현장농업연구지 = Journal of practical agricultural resear Vol.24 No.4
Five species of plants (Clerodendrum trichotomum Thunb., Angelica dahurica (Fisch. ex Hoffm.) Benth. & Hook. f. ex Franch. & Sav., Caryopteris incana (Thunb. ex Houtt.) Miq., Lonicera japonica Thunb., and Parasenecio auriculatus var. matsumurana Nakai) native to the clean area of Mt. Jiri were selected. The collection period was from May to September 2021, and the five species plants were collected in their native habitats with flowers in full bloom. The collected plants were extracted with 70% EtOH, and 17 kinds of polyphenol components were analyzed. Next, flowers, leaves, stems, and roots were separated from plants, extracted with 70% EtOH for each part and experiments were conducted on DPPH, ABTS, total polyphenols, and total flavonoids. The results are as follows. 1. It was found that there were a total of 8 kinds of polyphenols contained in 5 species of plants that are native to Mt. Jiri. Among the polyphenol components, chlorogenic acid was contained in 4 species of plants, and caffeic acid was contained in 2 species of plants. 2. As a result, the DPPH radical scavenging activity was the best in the stem of P. auriculata and the C. trichotomum was good regardless of the specific part. It was found that the activity-scavenging activity was good in the flowers of A. dahurica and the leaves of L. japonica. 3. The highest ABTS radical scavenging activity was C. trichotomum Thunb., whose EC<sub>50</sub> value was 38.73~66.28ppm. Next, the leaves and stems of L. japonica Thunb., A. dahurica and P. auriculata, and the leaves and stems of C. incana appeared in that order. 4. The highest total polyphenol content was 154.83mg GAE/g in the leaves of C. trichotomum, followed by about 130mg GAE/g in the flowers of C. trichotomum and P. auriculata. The lowest was 26.27mg GAE/g in the stems of A. dahurica.
-
-
다양한 댄스를 이용한 에어로빅 운동 프로그램의 적용원리
정연옥 한국초등무용학회 2001 한국초등무용학회지 Vol.6 No.1
Modern people are enjoying the changes in society, culture and the economy. They want various and changeable patterns of excercise. Excercise programs with applied dance provides positive physiological effects. It helps us to be more comfortable with our emotions, release of tension and helps one to live healthier life patterns combined with good manners and etiquette. An excercise program with applied dance will enhance the dynamics of movements by providing various choreography and rhythmatical music. Teaching the same fixed aerobics routines of ten years is old and boring. I believe that if aerobics instructors study various styles of dance and apply the choreography and music to aerobics routines, instructors can enhance their skills and improve their position in the leisure industry. Aerobic leaders can regain their position as specialist and expert in leisure sports. This paper presents various applications of dance in aerobic exercise.
-
-
-
연령과 이야기 종류에 따른 유아의 거짓말 및 도덕적 판단
정연옥,한세영 한국인간발달학회 2009 人間發達硏究 Vol.16 No.3
The purpose of this study was to investigate young children's patterns of lying and moral judgments according to age and the kinds of stories involved. The participants included 268 four-and five-year-old children attending one of seven educational institutes for young children in Gyeonggi Province. The investigator conducted 1: 1 interviews with the participants in order to better understand their conception of lies and their perceptions of right and wrong. The measurements consisted of 14 stories about lying. The data collected were analyzed by mean, percentage, and t-test. The research findings are as follows: First, there were age differences in children's ability to judge a lie. Five-year-olds did a better job in their judgments about lying than four-year-olds, whether a story was a lie or not. In particular, the four-year-olds made worse judgments when the story was not a lie than when it was in fact a lie. Second, there were age differences also in children's moral judgments. Third, clear differences were found in the young children's judgments in regards to lying, in terms of the kinds of stories involved. Fourth, there were differences in young children's judgements of right and wrong according to the lying judgments and the kinds of stories involved. They considered lies told with bad intentions and those told in self-defense to be bad, but also judged the lies which produced negative consequences to be bad for some stories, which indicates that the kinds of stories involved play a role in children's moral judgments. In conclusion, it was found that children's intention-based judgments of lies and their conception of right and wrong depends on their age and the kinds of stories being told.
-
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
