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생마즙과 오디가 첨가된 오미자청 샐러드드레싱의 이화학적 특성 및 항산화성
김형돈,임수빈,오혜림,전혜련,김초롱,김나연,홍윤표,이지현,김미리,Kim, Hyung Don,Yim, Su Bin,Oh, Hye Lim,Jeon, Hye Lyun,Kim, Cho Rong,Kim, Na Yeon,Hong, Yoon Pyo,Lee, Ji Hyun,Kim, Mee Ree 한국식품조리과학회 2012 한국식품조리과학회지 Vol.28 No.5
본 연구는 지방함량이 낮고 건강지향적인 고품질 오디 샐러드드레싱 개발을 위해 식초대신 오미자, 점도를 높이기 위해 생마즙을 사용하여 샐러드 드레싱을 제조하고 그 이화학적 특성 및 항산화성을 분석하였다. 샐러드 드레싱에 첨가되는 재료는 샐러드베이스(플레인 요거트:마요네에즈:생크림=8:1:1):오디분쇄물:오미자청:생마즙=4:4:6:1 또는 4:4:6:3 으로 첨가하였으며, 이때 첨가된 생마는 전체 샐러드 드레싱의 0,7, 18% 수준이었다. 샐러드 드레싱의 pH는 생마즙이 증가할수록 높아졌으며, 산도는 낮아졌다. 점도는 생마즙을 첨가하지 않은 대조군은 83.20 cP로 낮았으나, 생마즙 첨가량이 증가할수록 점도는 유의적으로 증가하여 생마즙 7%첨가군은 113 cP, 18% 첨가군은 125 cP 를 나타내었다(p<0.001). 유화 안정성은 생마즙 첨가량과 관계없이 49-50으로 일정한 값을 나타내었다. 색도 중 명도와 황색도는 생마즙 첨가량이 증가할수록 높아지는 경향을 나타내었다. 총 페놀성 화합물 함량은 대조군이 0.087 mg/g 이었으며, 생마즙 7% 첨가 오디 샐러드 드레싱은 0.101 mg/g, 생마즙 18% 첨가 오디 샐러드 드레싱은 0.122 mg/g 으로, 생마즙 함량이 증가할수록 총 페놀성 화합물 함량이 증가하였다. DPPH 라디칼 소거능 $IC_{50}$ 값은 대조군이 34.4 mg/mL, 생마즙 7% 첨가군이 32.3 mg/mL, 18% 첨가군이 29.7 mg/mL으로 생마 첨가량이 증가할수록 DPPH 라디칼 소거능의 $IC_{50}$ 값이 낮아져 샐러드 드레싱의 항산화능이 증가하였다. Hydroxyl 라디칼 소거능의 $IC_{50}$ 값은 대조군이 16.556 mg/mL, 7% 첨가군은 14.297 mg/mL, 18% 첨가군은 11.812 mg/mL 으로, 생마즙 함량이 증가할수록 hydroxyl 라디칼 소거능은 증가하였다. 관능적 특성으로 기호도 검사 결과, 외관, 향, 맛, 조직감에서 대조군에 비하여 생마즙 첨가군이 높았으며, 전반적인 기호도는 7% 첨가군이 가장 높았다. 이상의 결과로부터 오미자와 생마즙을 첨가한 오디 샐러드 드레싱 제조시 7%의 생마즙을 첨가할 경우 윤기, 색, 점도, 맛, 향, 기호도면에서 우수할 뿐 아니라 항산화성이 우수하여 고품질 천연 샐러드드레싱으로서 상품화 가능성이 높을 것으로 사료된다. In this study, the effect of yam juice on the quality characteristics of the salad dressing was evaluated. Salad dressings were prepared with the salad dressing base (plain yogurt:mayonnaise:fresh cream=8:1:1), mulberry, omija for acidity, and yam for viscosity in the ratios of 4:4:6:1 and 4:4:6:3. Fresh yam juice was added at the level of 0, 7, and 18% of the salad dressing. As the concentration of the yam juice increased, the salad dressing increased in pH and decreased in acidity. The Hunter color L (lightness), b (yellowness) and a (redness) values of the salad dressing decreased as the amount of yam juice increased. The viscosity increased with the amount of yam juice. The total phenol content also increased with the amount of added yam juice. The antioxidant activities such as DPPH and hydroxyl radical activity of the mulberry salad dressing increased as the amount of yam juice was increased. The sensory preference test results showed that the salad dressings with added yam juice had higher scores in the color, flavor, taste and texture in comparison to the control. In the overall preference, the 7% yam juice added salad dressing had the highest score among the treatments. From these results, it was suggested that the salad dressing with the added mulberry, omija for acidity, and yam juice for viscosity was a functional salad dressing with high antioxidant activity.
택지개발사업의 쾌적성을 위한 단계별 학교입지 결정조건에 관한 연구
김형돈,Kim, Hyung-Don 한국교육녹색환경연구원 2013 교육·녹색환경연구 Vol.12 No.2
The purpose of this study was to analyze the school location decision factor with land use planning and urban design. And this research proposed the school location decision factor for urban amenity. This research proved the fact that the school land correlated with the park, the other school land etc. And this result will be used in decision-making-process of land use planning, public land development construction oriental, urban design and city policy.
일반 측방 두부규격 방사선사진과 측방 추부규격 전산화 방사선사진에서의 계측점의 신뢰도에 대한 비교 연구
김형돈,김기덕,박창성,Kim Hyung-Don,Kim Kee-Deog,Park Chang-Seo 대한영상치의학회 1997 Imaging Science in Dentistry Vol.27 No.1
The purpose of this study was to compare & to find out the variability of head film measurements (and marks identification) between Fuji computed radiographic cephalometry and conventional cephalometry. 28 Korean adults were selected. Lateral cephalometric FCR film and conventional cephalometric film of each subject was taken. Four investigators identified 24 cephalometric landmarks on lateral cephalometric FCR film and conventional cephalometric film. The comparable measurements between lateral cephalometric FCR film and conventional cephalometric film were statistically analysed. The results were as follows : 1. In FCR film & conventional film, coefficient of variation (C.V.) of 24 landmarks was taken horizonta1ly & vertically. There is no significant difference of rank order of landmarks in C.V. between two films. 2. In comparison of significant differences of landmarks variability between FCR film & conventional film, horizontal value of coefficient of variation, showed significant differences in four landmarks among twenty-four landmarks, but vertical value of coefficient of variation showed significant differences in sixteen landmarks among twenty-four landmarks. FCR film showed significantly less variability than conventional film in 17 subjects among 20(4+16) subjects that showed significant difference.
교육환경평가제도의 세부적 평가기준 개선방안에 관한 연구 - 교육시설의 입지적 측면을 중심으로 -
김형돈,Kim, Hyung-Don 한국교육녹색환경연구원 2012 교육·녹색환경연구 Vol.11 No.2
The purpose of this study was to Improvement proposal on Item and Detailed Method for Education Environment Evaluation, Focused on School Location. This Study are as follows. 1. Research on Location Theory and relation Law 2. Improving research by School Experts(Health&construction& administration) 3. Present a Detailed quantitative assessment criteria 4. Pilot Survey on Education Environment Evaluation So, this result will be used in decision-making-process of land use planning, public land development construction, urban design and city policy.
김형돈(Hyung Don Kim),김성호(Sung Ho Kim) 한국사회체육학회 2012 한국사회체육학회지 Vol.0 No.49
The purpose of this study was to develop the skill test of the floorball for determining sport skill level and implement the test for the selection of future floorball players. A number of floorball coaches were interviewed to design a floorball skill test, and additionally other skill tests for soccer and field hocky were investigated for the references of floorball skill test development. Total of five items of basic technique as shooting, passing, dribbling, catching, and receiving were selected to organize the skill test. Using the subjective evaluation of objective measurements and comparison of data the reliability and validity are determined to investigated the stability and consistency of floorball skills tests. National team players(n = 13), college players(n = 18), and club players(n = 20) performed five items of skill test for technical inspection targets, and subjective evaluation were also assessed with prominent coaches. The result of intraclass correlation coefficients showed that the subjective evaluation was very highly reliable, and thus subjective evaluation was verified as criterion for skill test. The testretest for five items of skill test was also shown high reliability, and this result represented that newly developed floorball skill test was proved as an objective screening tool. The one way ANOVA was analyzed to determine the difference of the average score between groups, and results showed significant differences between the groups. Pearson`s correlation coefficient also showed that the test results from a subjective evaluation of coaches were highly related to the results of five items of floorball skill tests obtained with three levels of players. In conclusion, newly developed floorball skill test showed highly reliable and valid to complement the leader`s subjective evaluation and could be useful to determine skill level of floorball players.
중년 남성의 운동 참여 유무에 따른 골밀도, 신체구성 및 혈중지질의 상관관계
김형돈(Kim, Hyung-Don),권기선(Kwon, Gi-Seon),이강구(Lee, Kang-Koo),김규태(Kim, Kyu-Tae) 한국체육과학회 2013 한국체육과학회지 Vol.22 No.1
The objective of this study was to investigate the effects of long term participation of physical activity on the relationship between bone mineral density (BMD), Body composition and blood lipid in middle-aged men The subjects consisted of exercise group(n=145) and non-exercise group(n=145). Bone mineral density and bone content were measured by dual~energy X-ray absorptiometry(DEXA), GE Lunar Prodigy advance for femoral neck and Lumber spine, L1-L4. Body composition was also measured by Inbody 720. After an overnight fast of at least 12 hours blood samples were drawn from antecubital vein. Serum was then separated for determination of total cholesterol(TC), high density lipoprotein cholesterol(HDL-C), low density lipoprotein cholesterol (LDL-C), triglycerides(TG), and Glucose, and measured by HITACHI 7600 automatic analyzer and Glucose & Lactate Analyzer YSI2300 STAT Plus. Experimental data were processed through SPSS windows 18.0 PC+ and analysed using Pearson"s multiple correlation, independent t-test, and logistic regression analysis. The results of this study are as follows; no significant differences exist in height and LBM between the two groups. Age, body weight, BFM, %BF, BMI, WHR, and WR were significantly(p <.001) differencet between the two groups. Lumber L1-L4 BMD and femur neck BMD were positively correlated with height, weight, LBM, BFM,BMI, WHR, WR, and glucose. In addition negative correlations were observed with Age, %BF, TC, TG, LDL-C, and HDL-C. Logistic regression showed that WC, TC, BFM, LBM, weight, and height were selected to classify the two group and significant differences existed. In conclusion it would be assumed that increase in the amount of habitual physical activity would have beneficial impact on bone and decrease the cardiovascular risk factors.