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      • 보리를 이용한 가공식품 제조와 그 특성

        고정은,양영택,송살철,김정숙,한동휴,고정삼 濟州大學校亞熱帶農業硏究所 1996 亞熱帶農業硏究 Vol.13 No.-

        요약 제주산 보리차 및 보리음료 제조를 위한 원료의 일반성분과 무기물을 분석하였으며, 상품화 가능성을 관능검사를 통하여 평가하였다. 일반성분 및 무기물의 분석결과, 원료의 종류에 따라 다소의 차이는 있었으나 대체적으로 표준분석값과 유사하였다. 보리차의 경우 시판하고 있는 회사제품과의 차별화를 위하여 볶음결명자, 볶음옥수수, 살구씨 등을 혼합한 형태의 보리차 기호성을 검토하였다. 볶음보리만을 이용한 보리차보다는 볶음보리에 볶음결명자, 볶음옥수수, 살구씨를 16 : 1.5 : 2 : 0.5의 비율로 각각 첨가한 보리차를 가장 선호하였다. 그리고 볶음 정도에 따라 추출한 보리차의 색깔이 차이를 나타내었으며, 시판하는 보리차의 흡광도가 420nm에서 0.369인데 비하여 볶음정도가 낮은 시제품의 흡광도는 0.182로서 약간 연한 색깔을 선호하였다. 보리음료의 경우, 미숫가루만을 사용할 때는 볶음보리가루 : 물을 1 : 9로 하고 여기에 첨가하는 설탕농도를 9%로 하는 것에 가장 좋은 선호도를 나타내었다. 그러나 볶음보리가루만을 사용한 경우는 향미가 약하여 기호성가 떨어진 반면 미숫가루 : 볶음찹쌀가루 : 볶음콩가루 : 볶음참깨가루를 9 : 0.5 : 0.3 : 0.2의 비율로 혼합한 혼합가루 10g에 설탕 6g의 비율로 사용하는 경우 기호성이 가장 좋았다. 또한, 대용식인 조식시리얼로 미숫가루를 사용하는 경우 미숫가루 : 물을 10 : 4의 혼합비율로 하며, 미숫가루 : 볶음찹쌀가루 : 볶음콩가루 : 볶음참깨가루를 8 : 0.5 : 1.0 : 0.5의 비율로 혼합한 경우 기호성이 가장 좋았다. 미숫가루의 상품화를 위해서는 기호성의 향상을 위한 음용형태에 따른 배합비율의 최적화, 포장디자인 및 포장방법의 개선, 차별화를 위한 홍보 등이 필요할 것으로 판단된다. Summary Chemical analysis of barley and other cereals related to tea and beverage products, and sensory evaluation were investigated. Proximate compositions and inorganic elements contents of raw materials produced in Cheju were similiar to standard values. Blending at the ratio of 16 roasted barley, 1.5 roasted Cassia tora seed, 2 roasted corm, and 0.5 apricot seed was the better, compared to roasted barley only, for barley tea on sensory evaluation. According to the degree of roasting, the color of extracts with boiled water was different. Absorbance at 420nm of commercial barley extracts was 0.369, compared to the value of 0.182 on sample in this experiments. For barley beverage, 10% of roasted barley powder added 9% of sugar was the vest on sensory evaluations However, blending at the ratio of 9 roasted barley powder, 0.5 roasted glutinous rice powder, 0.3 roasted soybean powder, and 0.2 roasted sesame powder, added 6% of sugar, was the best, compared to roasted barley powder only, for barley beverage on sensory evaluations. On 40% of roasted barley powder only, for morning cereals, blending at the ratio of 8 roasted barley powder, 0.5 roasted glutinous rice powder, 1.0 roasted soybean powder, and 0.5 roasted sesame powder was the best on sensory evaluations, compared to roasted barley powder only.

      • KCI등재

        예비수학교사의 신념에 따른 교수학적 내용지식(PCK)과의 관련성에 관한 연구

        고상숙,김은호,문정윤,배지은,정대진 이화여자대학교 교과교육연구소 2011 교과교육학연구 Vol.15 No.4

        This study investigated the relationship between PCK (Pedagogical Content Knowledge) and pre-service mathematics teachers' mathematical beliefs, and the effects of PCK on their teaching. The data were collected through pre & post interviews, a questionnaire, and classroom observations of six pre-service mathematics teachers who were taking their field practica in their senior year. The results indicate that the pre-service mathematics teachers' differing beliefs about the nature of mathematics affected their PCK. This study showed the relationship between their beliefs about teaching and the learning of mathematics and PCK. It is recommended that more opportunities for PCK development, as well as for modifications in of their beliefs have to be offered in education programs for pre-service mathematics teachers. 본 연구의 목적은 예비수학교사들의 수학적 신념과 수업에서 발현된 교수학적 내용지식(PCK)의 특징을 알아보고, 이를 통해 수학적 신념에 따른 PCK의 관련성에 대해 분석하는 것이다. 이 연구는 교육실습 중인 예비수학교사 6명을 대상으로 실시한 PCK 설문지, 인터뷰 자료, 수업관찰 자료를 분석하는 질적 연구 방법을 토대로 하였다. 연구결과, 예비수학교사들의 다양한 수학 본질에 대한 신념은 PCK에 서로 다른 영향을 주었으며, 수학 교수-학습에 대한 신념과 PCK사이에는 밀접한 관련성이 있음을 볼 수 있었다. 따라서 신념과 교수학적 내용지식(PCK)을 함께 발달시킬 수 있는 예비교사 연수 및 지원 프로그램의 확충이 필요하다.

      • 일개 지방자치단체의 건강진전도 평가

        고광욱,김윤지,송성은,김정민 고신대학교 의과대학 2009 고신대학교 의과대학 학술지 Vol.24 No.1

        Background: Healthy and sustainable community is essential component of development. But there has been no systematic reporting about healthy municipality in specific city, although economic development results in considerable progress. Method: According to the Ontario progress monitoring tool partial monitoring has been done. Survey to the stakeholder including public officers were done and analyzed. Result: Economic area were most lowly reported area. By specific item, direction of improvement were induced in each area including social environment and human health area. Green space, waste treatment, traffic problem, small health service benefit were major agenda among the stockholders. Conclusion: According to the Ontario progress reporting, we got good picture about healthiness of one municipality and concrete direction of improvement.

      • 저온 저장 감귤에서의 MA포장의 효과

        이상백,김은정,고영환,고정삼 제주대학교 공과대학 첨단기술연구소 2001 尖端技術硏究所論文集 Vol.12 No.2

        The effects of MA packaging on the low temperature storage of satsuma mandarin, overwintering satsuma and Kiyomi tangor were investigated. Thickness of film, holes in film and incorporation of antimicrobial agent were considered as parameters for MA packaging. Chitosan was applied to surface of fruits to determine the effects of coation during MA storage. Thickness of film and holes in a bag did not affect decay ratios in three fruits. Decay ratio of satsuma mandarin packaged with LDPE film with 2-5% ceramic antimicrobial agent slightly decreased. Chitosan coating lowered decay ratio of fruit during MA storage. MA packaging with LDPE film was effective in lowering weight loss and preventing delamination of fruits. MA packaging did not affect qualities of fruit during storage.

      • HPLC에 의한 柑橘中의 遊離糖 定量

        金瑛淑,康順善,高正殷,柳長杰 제주대학교 1985 논문집 Vol.21 No.-

        HPLC에 의한 分析에서 가장 많은 經費를 부담케하는 것중의 하나가 容媒이기 때문에 이와같은 점에서 柑橘汁중의 遊離糖 分析을 하는데 관련되는 몇가지 조건을 檢討한 結果는 다음과 같았으며 사용 機器는 Waters 회사 제품의 본체에 μBondapak NH₂column, RI detector (x8)이었고 용매로는 acetonitrile/H₂O system을 사용했다. 1. 75%의 acetonitrile 농도에서 1.0㎖/min의 유속이 容媒를 절약하는데 가장 경제적인 조건이었다. 2. 시료중의 불순물을 제거하기 위해서 Sep-Rak C?? cartridge를 사용할 경우 糖시료를 한번 통과시킨 뒤에 4㎖의 H₂O로 세척하면 재사용이 가능했다. H₂O로 세척된 cartridge에는 다음 시료를 3㎖ 통과 시킨뒤에 나오는 시료액을 injection sample로 사용하면 안전하다. 3. 시료주입량을 보면 fructose, glucos,sucrose 모두 140㎍까지 주입해도 직선상의 결과를 얻을 수 있었다. 4. 본 실험 조건의 HPLC에 의한 糖분석에서 glucose와 mannitol의 분리가 좋지 않으므로 내부표준물질로 mannitol을 사용하는 것은 부적당하다. In order to minimize the cost of sugar analysis of mandarin juice by HPLC, some conditions related were discussed using Waters, M246 HPLC main body with R-401 RI-detector(x8), M510 pumping system, U6K injector, M730 Data Module, μBondapak NH₂column (3.9mm*30cm), Sep-Pak C?? cartridge and acetonitrile/H₂O solvent system. 1) The most suitable conditions to save acetonitrile solvent were obtained at 1.0ml/min of the flow rate of 75% acetonitrile in H₂O. 2) The Sep-Pak C?? cartridge, used once, and be washed out by using 4ml of H₂O under the conditions of the present study. When the washed Sep-Pak cartridges wetted with H₂O were passed through with 3ml of the new sugar sample, there was no dilution effect found and nearly 100% sugar yield in the filtrate. 3) Up to 140㎍ of sugars (fructose,glucose, sucrose) there was good linear relationship bwteen the injected amounts and the analyzed values. 4) It was found that mannitol can not be used as the internal sugar standard because of overlapping with glucose chromatogram in HPLC under the present conditions.

      • KCI등재후보
      • SCOPUSKCI등재

        Mesoporous Carbon Additives for Long Cycle Life Sulfur Cathodes of Li-S Batteries

        Koh, Jeong Yoon,Kim, Tae Jeong,Park, Min-Sik,Kim, Eun Hee,Kim, Seok,Kim, Ki Jae,Yu, Ji-Sang,Kim, Young-Jun,Jung, Yongju Korean Chemical Society 2014 Bulletin of the Korean Chemical Society Vol.35 No.11

        We examine the potential use of disordered mesoporous carbon as a functional additive for confining dissolved Li-polysulfides and improving the cycling performance of Li-S batteries. To promote a better understanding of the correlation between the total pore volume of disordered mesoporous carbon and the cycling performance of Li-S batteries, a series of disordered mesoporous carbons with different total pore volumes are successfully synthesized using a commercial silica template. Based on the electrochemical and structural analyses, we suggest that the total pore volume of disordered mesoporous carbon is a predominant factor in determining its capability for either the absorption or adsorption of Li-polysulfides, which is primarily responsible for enhancing the cycling performance. The addition of disordered mesoporous carbon is also effective in enhancing the homogeneous distribution of active sulfur in the cathode, thereby affecting the cycling performance.

      • SCOPUSSCIEKCI등재

        Multimodal Therapy for Patients with Acute Ischemic Stroke : Outcomes and Related Prognostic Factors

        Jeong, Seung-Young,Park, Seung-Soo,Koh, Eun-Jeong,Eun, Jong-Pil,Choi, Ha-Young The Korean Neurosurgical Society 2009 Journal of Korean neurosurgical society Vol.45 No.6

        Objective : The objectives of this study were to analyze the recanalization rates and outcomes of multimodal therapy that consisted of sequential intravenous (IV)/intra-arterial (IA) thrombolysis, mechanical thrombolysis including mechanical clot disruption using microcatheters and microwires, balloon angioplasty, and stenting for acute ischemic stroke, and to evaluate the prognostic factors related to the outcome. Methods : Fifty patients who were admitted to the hospital within 8 hours from ischemic symptom onset were retrospectively analyzed. Initial IV thrombolysis and subsequent cerebral angiography were performed in all patients. If successful recanalization was not achieved by IV thrombolysis, additional IA thrombolysis with mechanical thrombolysis, including balloon angioplasty and stenting, were performed. The outcomes were assessed by the National Institute of Health Stroke Scale (NIHSS) change and modified Rankin scale (mRS) and prognostic factors were analyzed. Results : Successful recanalization was achieved in 42 (84%) of 50 patients, which consisted of 8 patients after IV thrombolysis, 19 patients after IA thrombolysis with mechanical clot disruption, and 15 patients after balloon angioplasty or stenting. Symptomatic hemorrhage occurred in 4 (8%) patients. Good outcomes were achieved in 76% and 70% of patients upon discharge, and 93% and 84% of patients after 3 months according to the NIHSS change and mRS. The initial clinical status, recanalization achievement, and presence of symptomatic hemorrhage were statistically related to the outcomes. Conclusion : Multimodal therapy may be an effective and safe treatment modality for acute ischemic stroke. Balloon angioplasty and stenting is effective for acute thrombolysis, and produce higher recanalization rates with better outcomes.

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