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이태영,박성오 한국농화학회 1963 Applied Biological Chemistry (Appl Biol Chem) Vol.4 No.1
Various species of the genus Capsicum contain in their fruits an intensively sharp and pungent substance, Capsaicin, which was first isolated in an almost pure state by Thresh. Containing the pungent principle, Capsicums are used extensively in food as a spice and in medicine as a rubefacient and carminative. Numerous methods have been proposed for the isolation, the chemical structure and the quantitative determination of Capsaicin. Modifying the several methods described before, the Capsaicin contents in various species of the genus Capsicum were determined as follows. (1) The isolation of pure Capsaicin was the essential first step for the determination of Capsaicin contents. Powdered cayenne pepper was extracted with acetone. By the method of ether alkali partition extraction slightly modified at this laboratory and by the recrystallization with light petroleum ether that was repeated ten times, the pure crystalline Capsaicin was obtained. Using this Capsaicin, the standard absorption curve was drawn with Beckman spectrophotometer model DU for the quantitative determination of Capsaicin. (2) The powdered sample was extracted in a Soxhlet extractor with ether-acetone solvent system (3 : 1) for 25 hours. Capsaicin in this ether-acetone extracts was efficiently separated in a pure state by paper partition chromatography using 58% methanol solution as developing agent. It was found that 58% methanol was one of the most valuable solvent to separate Capsaicin from impurities such as sterols, fatty acids, waxes and carotenoid pigments. (3) The colorimetric method modifying the Schulte-Kruger's method which consists of measuring the red color produced with diazobenzenesulphonic acid was used. Capsaicin in various species of the genus Capsicum was determined quantitatively with use of Beckman spectrophotometer model DU at 480 mμ.
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이태영,김태웅,김영선 한국환경농학회 2024 한국환경농학회지 Vol.43 No.-
This study was conducted to investigate the effects of livestock manure liquid fertilizer such as aerobic liquid fertilizer (AF) and anaerobic liquid fertilizer (AAF) on the growth and productivity of lettuce (Lactuca sativa) and Chinese cabbage (Brassica campestis). Treatments were as follow; control, AF-1 (AF 1 L/m2), AF-2 (AF 2 L/m2), AF-3 (AF 4 L/m2), AAF-1 (AAF 1 L/m2), AAF-2 (AAF 2 L/m2), and AAF-3 (AAF 4 L/m2). The EC of commercial substrates in AF and AAF treatments were higher than that of the control. As applied AF and AAF in the lettuce and Chinese cabbage, growth factors like chlorophyll content, leaf number, leaf width, leaf length, fresh weight and dry weight, and the nutrient availability of nutrient content and nutrient uptake increased than those of the control. The application amount of AF and AAF was correlated with growth factors and nutrient availability positively (p≤0.05) in both lettuce and Chinese cabbage. These results indicated that fertigation of AF and AAF was improved the growth of lettuce and Chinese cabbage by promoting an uptake amount of nutrient.
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바이오어쎄이 측정오차의 통계적 분포가 섭취량 추정값에 미치는 영향
이태영,김종경 대한방사선방어학회 2006 방사선방어학회지 Vol.31 No.1
본 연구의 목적은 바이오어쎄이 측정오차의 통계적 분포가 섭취량 추정값에 미치는 영 향을 분석하여 오차의 분포를 선정하는데 필요한 기준을 제시하는데 있다. 이를 위하여 본 연구 에서는 오차가 정규분포와 대수정규분포를 따른다고 가정한 경우에 대해 최대우도법을 사용하여 섭취량을 평가하였고 그 결과를 서로 비교해 보았다. 본 연구의 결과에 따르면, 검출한도보다 약 간 높은 값을 갖는 폐 잔류량 측정결과의 경우 두 분포사이에서의 차는 거의 무시할 수 있을 정 도로 작게 나타났다. 그러나 일일 소변 배설률에 대한 측정결과의 경우 오차가 대수정규분포를 따른다고 가정하였을 때의 결과가 정규분포를 따른다고 가정하였을 때의 결과보다 거의 10 % 정도 높게 평가되었다. 이러한 사실로 비추어 볼 때 불확도 요소가 계측통계 오차에 주로 기인 되는 경우 오차의 분포가 섭취량 추정값에 거의 영향을 미치지 않는 것으로 사료되나, 불확도 요소에서 그 이외의 오차가 지배적인 경우에는 대수정규분포를 가정하여 섭취량을 추정하는 것 이 바람직하다고 판단된다.
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이태영 서강대학교 법학연구소 2022 서강법률논총 Vol.11 No.2
Cooperatives emerged as an economic model to create social value by showing excellent crisis coping skills, such as contributing to job creation and employment maintenance in the 2008 global financial crisis. European cooperative banks were also evaluated to have performed relatively stable management during the financial crisis and contributed to the stability of the financial system. 「Framework Act on Cooperatives」 was enacted in 2012 based on a broad consensus on the public interest of cooperatives as an economic organization that realizes social values, and the number of cooperatives has exploded since then. Since financing is essential for the establishment and growth of such cooperatives, the role of financial cooperatives is also becoming more important. This is because financial cooperatives are operated according to the cooperative operating principles, so they have a high understanding of general cooperatives and emphasize the principle of cooperation among cooperatives. On the other hand, the problem of regulatory arbitrage among financial cooperatives is constantly being raised because applicable individual laws and supervisory regulations differ from the ministries. Accordingly, this paper examined the current status and problems of business scope regulation classified according to the regulatory principles of each institution, and reviewed improvement measures according to the regulatory principles of each function. In particular, it was confirmed that ‘common bond’ and ‘non-union members’ use of business’, which are the core of financial cooperative regulations, greatly restrict the autonomy of the establishment and operation of financial cooperatives, and how foreign legislation has changed and has implications for Korean financial cooperatives. As a major improvement measure, it was proposed to stipulate the scope and type of joint ties of financial cooperatives in the law, while broadening joint ties or allowing multiple joint ties. Furthermore, it was reviewed as a problem that there are differences in loan limits for credit areas and non-union members for each financial cooperative. Although some regulatory arbitrage have been resolved due to the recent revision of the Enforcement Decree of the 「Credit Union Act」 and the 「Regulations for Mutual Financial Business Supervision」, it was pointed out that it is not reasonable in the legal system to revise the scope of the union's credit zone and non-member.
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