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가열처리에 의한 백미 , 현미 , 노란콩 및 검정콩의 식이섬유 함량 변화
김영아,서우경 한국조리과학회 1995 한국식품조리과학회지 Vol.11 No.1
가열방법 및 시간에 따른 백미, 현미, 노란콩 및 검정콩의 식이섬유 측정치의 변화 양상은 다음과 같다. 불용성 식이섬유는 가열처리 방법에 따라 변화 양상이 각각 다르게 나타났으며 노란콩을 제외한 다른 시료에서는 가열시간에 크게 영향받지 않는 것으로 나타났다. 수용성 식이섬유는 가열처리에 의해 대체로 증가하는 경향을 보였으며 가열방법에 따라 변화양상이 다르게 나타났다. 가열시간이 길어짐에 따라 백미의 수용성 식이섬유는 증가하였으나 현미는 감소하는 경향을 나타내었다. 그러나 노란콩은 가열시간에 따른 일정한 경향을 나타내지 않았으며 검정콩은 가열시간에 영향받지 않는 것으로 나타났다. 가열처리에 의한 총식이섬유의 변화는 대체로 불용성 식이섬유와 비슷한 경향을 나타내었으며 이는 모든 시료들이 수용성 식이섬유 보다는 불용성 식이섬유의 함량이 현저히 많고 본 실험에서 총식이섬유를 불용성 식이섬유와 수용성 식이섬유의 합으로 계산했기 때문이라 생각된다. The effects of cooking on the dietary fiber content in rice, brown rice, yellow soybean and black soybean were investigated. The dietary fiber contents were analyzed by Prosky's method(AOAC method) after boiling, microwave heating and autoclaving of the sample. It was showed that the different cooking methods resulted in different effects on the insoluble dietary fiber contents. Except yellow soybean, cooking time had little effect on insoluble dietary fiber comets in the other samples. The contents of soluble dietary fiber were generally increased by cooking. Increased cooking time reduced the content of soluble dietary fiber in brown rice but increased in rice. However, no significant differences caused by cooking time were observed for soluble dietary fiber in black soybean. The effects of cooking method on the total dietary fiber contents were similar to those of insoluble dietary fiber. The reasons for this might be that the main fraction of total dietary fiber was insoluble forms and the content of total dietary fiber was calculated as the sum of insoluble and soluble dietary fiber content.
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김영아,최영선 한국조리과학회 1993 한국식품조리과학회지 Vol.9 No.2
The effects of addition of brown rice flour on the Backsulgies were examined. We chose the addition ratio of brown rice flour as 0%, 50%, 100% along with the pilot study. The addition of brown rice flour did not make significant changes in water-binding capacity, swelling power and the degree of gelatinization. But the addition of brown rice flour had a delaying effect of retrogradation of Backsulgies by textural analysis. In sensory evaluation, the Backsulgi added brown rice flour 50% had the highest value in the overall quality of sensory characteristics. But there was no significant difference in the other sensory characteristics between the 50% and 0% added with. Therefore we concluded that the addition of brown rice flour on Backsulgies improve the sensory characteristics as well as delay the retrogradation and would be a good source of dietary fiber.
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김영아,최인자 한국조리과학회 1992 한국식품조리과학회지 Vol.8 No.3
The physicochemical, rheological and sensory characteristics of Backsulgies added with dietary fibers-cellulose, pectin and wheat bran-were investigated. The maximum acceptable ratio of fibers was l0% for wheat bran or cellulose, 3% for pectin. As the results of physicochemical analysis, cellulose and pectin had larger water-binding capacity than wheat bran. Swelling power was increased with temperature increment. But the type of added dietary fiber did not make significant differences. The degree of gelatinization was measured by maltose content. The retrogradation of backsulgies was significantly delayed by the addition of dietary fibers. The retardation effect of dietary fibers for retrogradation of backsulgies was also proved by textural analysis and time constant determination of Avrami equation. Pectin had especially excellent delaying effect while the storage time extended. There were no significant differences in sensory characteristics between the backsulgi with no dietary fibers and backsulgies added with cellulose 3%, pectin 1% and wheat bran 3%. Therefore, we concluded that cellulose 3%, pectin 1% and wheat bran 3% were the optimum addition ratios, which have the delaying effect of retrogradation, and which could be accepted as same as conventional backsulgies organoreptically.
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김영아 한국조리과학회 1992 한국식품조리과학회지 Vol.8 No.1
도토리 전분 및 전분겔의 형태학적 특성을 주사전자현미경 및 X-회절도를 사용하여 조사하였다. 주사전자현미경에 의해 관찰한 도토리 전분입자의 형상은 대부분이 모서리가 둥글어진 삼각형이나 타원형이었다. 도토리 전분의 장경, 단경을 측정하여 각각의 분포양상을 분석하였고, 그로부터 얻은 평균치는 단경이 4.785㎛, 장경이 7.30㎛이었고, 장단경의 비율은 0.68이었다. 도토리 전분겔의 표면구조 검사결과 조전분겔의 표면은 입자들이 팽창하여 그대로 층층이 쌓여진듯한 형상이었고, 정제전분겔은 다소 섬유상의 구조를 나타내어 서로 상당히 다른 양상을 보였다. 또한 X-선 회절도에 의하여 도토리 전분입자의 결정성을 조사한 결과 C-type으로 분석되었다. 전분겔의 X-선 회절양상은 호화에 의한 전분입자의 붕괴로 인하여 전분의 경우와는 매우 다르게 2θ 14.5∼15.0, 26.8∼27.4에서 극대값을 보였고, 정제전분겔의 회절강도가 조전분겔보다 다소 높게 나타나고 있었다. The morphological properties of acorn starch granules and starch gels were examined with scanning electron microscope and X-ray diffractometer. The shape of acorn starch granule was rounded triangular and some elliptical. The size distribution of starch granule was also analyzed. The mean value of minor axis, major axis and the ratio of those were 4.785㎛, 7.30 ㎛ and 0.68, respectively. The surface micro-structure of acorn starch gels were investigated by SEM. Acorn crude and refined starch gel were very different in surface micro-structure. X-ray diffraction pattern of acorn starch was C-type, and the pattern of acorn starch gels were extremely different because of disintegration of starch granules by gelatinization. The diffraction intensity of acorn refined starch gel was slightly higher than crude starch gel.
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가치혁신으로 본 태양서커스(Cirque du Soleil)와 우리나라 서커스의 향후 과제
김영아 한국비교문학회 2011 比較文學 Vol.0 No.55
Performing arts, which have a long history and tradition, have progressed along with changes of human beings. In modern era, with its multi-media characteristics, dissolution of genres, and popularity gained from the people,its genres have become diversified and in particular, performing art works stressing visual factors based on non-verbal performance have been preferred. Among all these non-verbal performances circus, which has existed from a long time ago, is a genre that has been somewhat neglected due to little perception of people and lack of academic approach. However, Cirque du Soleil, which has loomed large as a representative cultural product of Canada, has attracted attention as a new performing art that has both artistic value and popularity as it has been successful by providing visual entertainment. Also, as it has emerged as a representative case of Blue Oceans of the performing arts, Cirque du Soleil has become equivalent with ‘the Blue Ocean case’, gaining considerable attention from cultural industry, art management, and business management. However, in Korea, circus is still considered a low profile performance. Dong Chun Circus, which was created in 1925, has barely survived, though it has faced close-down several times due to lack of people’s attention and systematic support of the government, workforce shortage, and marketing difficulties. Therefore, it is necessary to diagnose risks of Korean circus and come up with solutions by taking into account of Cirque du Soleil’s success,which has been achieved through value innovation, the core of Blue Ocean strategy.Still, there are limits in studying Korean circus based on the studies on Cirque du Soleil. First, since there are not sufficient studies on circus,references quotated in this article are mainly newspaper articles, rather than academic materials. In addition, in the case of Cirque du Soleil, studies have been carried out in various areas, but studies on Dong Chun Circus are hardly found. Second, another limitation is that Cirque du Soleil and Dong Chun Circus cannot be compared on the same ground with the same standards. That is because it is realistically difficult to apply the success factors of Cirque du Soleil to Dong Chun Circus directly. This article, however, will seek its meaning in that it provides an academic approach to circus which has received little recognition of society and marginalized attention from the academic arena and searches for measures for the development of Korean circus. ☞
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김영아,김동화,노지화,Kim, Young A,Kim, Dong Hwa,Noh, Ji Hwa 영남수학회 2016 East Asian mathematical journal Vol.32 No.4
The purpose of this study was to analyze the understanding of the meaning of fraction division and fraction division algorithm of elementary mathematical gifted students through the process of problem posing and solving activities. For this goal, students were asked to pose more than two real-world problems with respect to the fraction division of ${\frac{3}{4}}{\div}{\frac{2}{3}}$, and to explain the validity of the operation ${\frac{3}{4}}{\div}{\frac{2}{3}}={\frac{3}{4}}{\times}{\frac{3}{2}}$ in the process of solving the posed problems. As the results, although the gifted students posed more word problems in the 'inverse of multiplication' and 'inverse of a cartesian product' situations compared to the general students and pre-service elementary teachers in the previous researches, most of them also preferred to understanding the meaning of fractional division in the 'measurement division' situation. Handling the fractional division by converting it into the division of natural numbers through reduction to a common denominator in the 'measurement division', they showed the poor understanding of the meaning of multiplication by the reciprocal of divisor in the fraction division algorithm. So we suggest following: First, instruction on fraction division based on various problem situations is necessary. Second, eliciting fractional division algorithm in partitive division situation is strongly recommended for helping students understand the meaning of the reciprocal of divisor. Third, it is necessary to incorporate real-world problem posing tasks into elementary mathematics classroom for fostering mathematical creativity as well as problem solving ability.
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김영아,박윤수,육태미,이혁민,이경원 대한진단검사의학회 2018 Annals of Laboratory Medicine Vol.38 No.2
Dear Editor, Acinetobacter baumannii is a cause of healthcare-associated infections and one of the most important pathogens found in intensive care units (ICUs). The recent dramatic spread of carbapenem-resistant A. baumannii complex (CRAB) in Korea has raised substantial concern in medical practice owing to the lack of adequate therapeutic options [1, 2]. It is well-known that the selective pressure of antibiotics contributes to emergence of new resistant strains [3]. However, there is no sufficient evidence for the association between carbapenem administration and emergence of imipenem-resistant A
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