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김현구,나경민,예수향,한호석 한국식생활문화학회 2004 韓國食生活文化學會誌 Vol.19 No.5
The present study was conducted to investigate extraction characteristics and antioxidative activity of Schiznadra chinensis extracts. Schiznadra chinensis was extracted by reflux extraction(RE) under different extraction conditions including solvent. The solid yield, turbidity, color value, titratable acidity, free sugar contents, electron donating ability(EDA) and superoxide dismutase(SOD)-like ability of Schiznadra chinensis extracts were determined. The highest solid yield value was obtained with water of 10 fold. No significant difference in turbidity and color value were found among the extracts prepared with various extraction solvents, 75% ethanol, 50% ethanol and water. The highest titratable acidity was obtained with water extracts of Schiznadra chinensis. The free sugar contents of Schiznadra chinensis extracted with water showed the highest value. Schiznadra chinensis extracts with water included higher contents of free sugar compared with those of the other solvent extracts, 50% ethanol and 75% ethanol extracts. The total polyphenol compound content of Schiznadra chinensis extracted with 50% ethanol showed the highest value. Schiznadra chinensis extracts with 50% ethanol included higher contents of total polyphenol compound compared with those of the other solvent extracts, water and 75% ethanol extracts. The electron donating ability of extracts were 60.87% in water, 57.24% in 50% ethanol, and 55.61% in 75% ethanol.
1989-2018년 사상체질의학회지 게재논문들의 연구동향 분석
김현구,김상혁,이시우,Kim, Hyunkoo,Kim, Sang-Hyuk,Lee, Siwoo 사상체질의학회 2020 사상체질의학회지 Vol.32 No.1
Objectives The purpose of this study was to identify the research trends and major fields of Sasang Constitutional Medicine by analyzing the topics of papers contained in the Journal of Sasang Constitutional Medicine from the first issue to 2018. Methods To classify the research themes of the paper, theory, Characteristics in Sasang Constitution(SC), Diagnosis in SC, Treatment in SC, etc. categories and subcategories were created. Two researchers reviewed the title, abstract, and text of the paper and classified them according to the category classification. In case of disagreement, the category was determined through discussion with one of the remaining researchers. Results & Conclusions A total of 1,169 papers published in the Journal of Sasang Constitutional Medicine from the first issue to 2018. The number of published papers has increased steadily since the first issue of the Journal of Sasang Constitutional Medicine, and in 2008, the largest number of papers were published, but since then, the number of papers has gradually decreased. When classifying the categories of published papers according to research themes, the Theory field occupied a large portion in the early stages, but since then, the proportion has decreased steadily, and the number of publications has plummeted since 2012. On the other hand, in Treatment in SC field, its proportion has soared to account for about half of the papers since 2001. In Characteristics in SC and Diagnosis in SC fields, since the early 1990s, the number of publications has been consistently maintained.
김현구,황금희,Kim, Hyeon-Gu,Hwang, Geum-Hui 한국식품연구원 1995 食品技術 Vol.8 No.3
생약재는 특수 건강식품에 대한 관심고조, 국산 생약재의 선호도 증가 그리고 재배기술의 향상으로 이들 생약재의 생산량과 생산액은 증가추세에 있다. 그러나 생약재는 현재까지 단순 건조하여 한약재로 이용되는 것 이외는 가공방법이 확립되어 있지 않아 현대적 수요경향에 맞는 기호성과 영양, 약리효과를 증진시킬 수 있는 음료 등 가공식품의 개발은 시급한 과제로 대두되고 있다. 따라서 생약재의 분포 및 생산현황, 생약재의 국제경쟁력, 생약재의 기능성 식품으로의 이용가능성을 확인하기 위한 생물활성 검색 연구현황 그리고 국내 생약재를 이용한 음료의 유통현황을 소개하고자 한다.
김현구 한국환경과학회 2002 한국환경과학회지 Vol.11 No.7
In the present study, space allocation methods of pollutant emission from area and mobile sources are assessed by the actual application to air quality modeling of Pohang area, It is found that the TM-based modeling which allocates emission onto the l㎞×l㎞ sized TM-grid system predicts almost the same mean ground-level concentration as that by the GIS-based modeling which uses geographical information of area and mobile sources directly, while maximum ground-level concentration by the TM-based modeling is predicted considerably lower than that by the GIS-based modeling, Moreover, the problem is found that the TM-based modeling causes deviation of mobile roads. In conclusion, it is anticipated to applying GIS-based modeling for a more accurate assessment of air quality in local scale.