• 제목/요약/키워드: Koera

검색결과 55건 처리시간 0.023초

구약감자 분말의 첨가가 국수 반죽의 레올로지에 미치는 영향 (Effect on the Rheology of Noodle Dough by the Addition of Konjac Powder)

  • 박화영;최희은;이난희;정재현;최웅규
    • 한국식품영양학회지
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    • 제29권6호
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    • pp.1008-1014
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    • 2016
  • This study was conducted with the purpose of investigating the rheological characteristics of noodle flour dough supplementary konjac powder comprising 0%, 0.5%, 1.0%, 1.5% or 2.0% of the total mixture. In farinograph analysis, water absorption increased with the increased content of konjac powder. Both the arrival times and the development times of the dough with added konjac powder were longer than original wheat flour dough. Dough stability was found to be increased as compared to the control, but decreased as konjac powder content was increased. As konjac powder content increased, the resistance of the dough as shown by farinograph data was highest in the original wheat flour dough as 130 BU. Starting temperature, maximum viscosity temperature and maximum viscosity were decreased as shown in amylograph analysis. In extensograph analysis, the dough's extensibility and resistance to extension of the dough decreased as the amount of konjac powder was increased. The ratio of resistance to extensibility (R/E) decreased with the an increase in the amount of konjac powder included in the dough. The dough's tensile strength after cooking was increased in proportion to the additional amount of konjac powder used.

콩에서 Source-Sink변경이 건물축적과 단백질함량에 미치는 영향 (Effects of Source-Sink Alteration on Dry Matter Accumulation and Protein Content in Soybean)

  • 성락춘;박지희;박세준;조재영
    • 한국작물학회지
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    • 제40권6호
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    • pp.723-730
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    • 1995
  • 콩의 건물축적과 단백질전류에 대한 Source-Sink변경의 효과를 구명하기 위하여 1992년에 고려대학교 자연자원대학 실험농장에서 황금콩을 공시품종으로 착협시기(R3)에 상위 40%, 하위 60%의 엽과 협을 제거하여 건물중 및 단백질함량의 변화를 조사한 결과는 다음과 같다. 1. 상엽-하협제거처리에서 하위 엽과 경 건물중이 증가하였고, 상위 종실과 협 건물중은 감소하였다. 2. 엽의 단백질함량은 상위 엽보다 하위 엽에서 높았다. 3. 종실의 단백질함량은 상엽-하협제거와 하엽-상협제거처리에서 낮았다. 4. 상엽-하협제거처리에서 엽의 단백질함량은 가장 높았고 종실 단백질함량은 가장 낮았다. 5. 본 실험의 결과에서 콩의 단백질원은 하부에서 상부로 이동하나 생식생장기간중의 장거리 전류를 위한 엽 단백질의 재이동은 약한 것으로 나타났다.

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호두 첨가에 따른 청국장의 이화학적 특성 및 항산화능 변화 (Changes in the Physicochemical Characteristics and the Antioxidative Activity of Cheonggukjang by Addition of Walnut)

  • 박화영;유범석;최웅규
    • 한국식품영양학회지
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    • 제28권6호
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    • pp.1004-1010
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    • 2015
  • This study was conducted to investigate the changes in the physicochemical characteristics and antioxidant activity of cheonggukjang with the addition of walnuts. The pH of cheonggukjang did not change significantly with the addition of walnut. But the water content decreased significantly. Walnut addition to the soybean was expected to have a positive effect because the number of Bacillus subtilis was not reduced. The viscous substance content was significantly decreased when more than 20% of walnut was added to cheonggukjang. The addition of walnut made the color darker. The flavonoid and polyphenol content was sharply increased in proportion to the walnut addition and the DPPH radical scavenging activity of cheonggukjang also increased. Altogether, it was found that the addition of walnut had a positive influence on the cheonggukjang by increasing the antioxidant activity.

비지 첨가에 따른 국수의 제면 특성 변화 (Changes in the Characteristics of Noodle by the Addition of Biji Powder)

  • 최현민;장혁순;이난희;최웅규
    • 한국식품영양학회지
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    • 제31권6호
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    • pp.919-925
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    • 2018
  • The objective of this study was to determine the characteristics of noodle dough made with biji powder (2, 4, 6 and 8%). Increase in the amount of biji powder significantly increases the water-binding capacity and decreases lightness (L) (p<0.05). The changes of redness (a), yellowness (b) and size of pore were insignificant. In the case of raw noodle, hardness, springiness, gumminess and chewiness of raw noodle significantly increased with increasing concentrations of the biji powder (p<0.05). Hardness of cooked noodle increased according with increase in concentration of biji (p<0.05). Springiness was increased up to 4% of biji concentration and slightly decreased at higher concentrations (p<0.05). Adhesiveness and cohesiveness of cooked noodle decreased according with increase in concentration of biji (p<0.05). The was no significant changes in the gumminess and chewiness. Taken together, addition of 4.0% biji powder to noodle dough may improve the preference of noodles.

순산소 순환유동층에서 로내 탈황 및 탈질법 적용에 따른 오염물질 거동특성 (Pollutants Behavior in Oxy-CFBC by Application of In-Furnace deSOx/deNOx Method)

  • 최경구;나건수;신지훈;길상인;이정규;허필우;윤진한
    • 청정기술
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    • 제24권3호
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    • pp.212-220
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    • 2018
  • 순산소 연소기술은 화력발전에 적용 가능한 유망한 온실가스 감축 기술로 평가되고 있다. 본 연구는 환경적 관점에서 순환유동층을 활용한 순산소 연소조건에 로 내 탈황 및 탈질법을 적용하여 NO 및 $SO_2$의 거동을 살펴보는 한편, $SO_3$, $NH_3$, 그리고 $N_2O$의 발생 경향도 관측하였다. 이를 위해, 연소로 내 석회석 및 요소수를 투입하였다. 로 내 탈황법은 연소가스 내 $SO_2$ 농도를 ~403에서 ~41 ppm까지 저감하였다. 또한 $SO_3$ 형성의 주원료인 $SO_2$가 저감되면서 연소가스 내 $SO_3$ 농도도 ~3.9에서 ~1.4 ppm까지 감소되었다. 그러나 석회석 내 $CaCO_3$가 NO의 발생을 촉진하는 현상도 관측되었다. 연소가스 내 NO 농도는로 내 탈질법을 적용하여 ~26 - 34 ppm까지 저감되었다. 요소수 투입량 증가에 따라 연소가스 내 $NH_3$ 농도가 증가하여 최대 ~1.8 ppm으로 나타났으며, $N_2O$의 농도도 ~61에서 ~156 ppm까지 증가하였다. $N_2O$ 발생량 증가 현상은 요소수의 열분해 과정에서 생성된 HNCO가 $N_2O$로 전환되어 나타난다. 본 연구의 결과를 통해 로 내 연소가스 세정법을 적용할 경우 $NO_x$$SO_x$의 저감뿐만 아니라, 다른 오염물질의 발생에 대한 주의가 필요할 것으로 보인다.

개암 첨가가 청국장의 품질과 항산화 활성에 미치는 영향 (Changes in the Quality Characteristics and Antioxidative Activities of Cheonggukjang prepared Using Hazelnut)

  • 최원석;이난희;최웅규
    • 한국식품영양학회지
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    • 제30권6호
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    • pp.1229-1234
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    • 2017
  • This study was carried out to investigate the changes in the antioxidant activity of Cheonggukjang with the addition of hazelnut. The number of Bacillus subtilis and the content of crude fat were increased with the addition of hazelnut. The addition of hazelnut made the color of Cheonggukjang lighter. The flavonoid and polyphenol content were sharply increased in proportion to the addition of hazelnut. The DPPH radical scavenging activity of Cheonggukjang was also increased with the addition of hazelnut. Taken together, it was found that the addition of hazelnut had a positive influence on Cheonggukjang by increasing the antioxidant activity.

Representation of Uncertain Geometric Robot Environment Using Fuzzy Numbers

  • Kim, Wan-Joo-;Ko, Joong-Hyup;Chung, Myung-Jin
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 1993년도 Fifth International Fuzzy Systems Association World Congress 93
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    • pp.1211-1214
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    • 1993
  • In this paper, we present a fuzzy-number-oriented methodology to model uncertain geometric robot environment and to manipulate geometric uncertainty between robot coordinate frames. We describe any geometric primitive of robot environment as a parameter vector in parameter space. Not only ill-known values of the parameterized geometric primitive but the uncertain quantities of coordinate transformation are represented by means of fuzzy numbers restricted to appropriate membership functions. For consistent interpretation about geometric primitives between different coordinate frames, we manipulate these uncertain quantities using fuzzy arithmetic.

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교수요목기 초등수학교과서 『셈본』에 관한 연구 (A Study on Mathematics Textbook 'Saembon')

  • 조영미
    • 한국초등수학교육학회지
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    • 제21권3호
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    • pp.485-503
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    • 2017
  • 이 논문에서는 교수요목기에 발간된 셈본 교과서가 여러 종류임에 주목하고 셈본을 둘러싼 역사적 배경과 그 변화를 살펴보았다. 셈본교과서는 크게 미군정 시기 셈본 교과서와 대한민국 정부 수립 후의 셈본 교과서로 대별될 수 있었다. 두 종류의 셈본은 외형, 체제, 수학 내용 지도 방식 등에서 차이가 났다. 후자는 전자에 비해 한층 발전된 교과서 체계를 갖추었으며, 수학 내용에 대한 설명도 상당히 더 상세하고 친절하였다. 특히 후기 셈본 교과서는, 제1차 교육과정의 주요 특징이라고 일컬어지는'생활단원학습'을 지향하였다.

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