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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.
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.
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.
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.
한국 국가대표와 주니어대표 여자 배구선수의 등속성 근력 특성과 무산소성 운동능력의 비교 분석
김형돈(Hyung Don Kim),최광희(Kwang Hee Choi) 한국사회체육학회 2007 한국사회체육학회지 Vol.0 No.31
The objective of study were to examine the relationship of anaerobic power and the knee joint isokinetic strength measured by bicycle ergometer and isokinetic dynamometer between women`s national volleyball team players and junior national volleyball team players. 24 female volleyball player performed 3 time of maximal knee extension and flexion at the velocity of 180˚/sec, and peak torque, average power, endurance ratio, and Ipsi/Bi balance ratio were recorded. Maximal concentric and eccentric quadriceps and hamstring muscle strength was obtained by measuring maximal force moments (torque) during isokinetic knee extension and flexion movements. A Cybex770 dynamometer(USA) was used for the measurements. Efforts for measurement were preceded by 15 minutes of warmup and preconditioning to the testing device. The data collected was analyzed by SPSS statistical package using paired t test. The level of significance was set at 0.05. The results showed that there was significant difference between NT and JT. in extension peak torque and average power. However, JT showed more balanced ipsilateral ratio when compare with NT. No differences was observed in anaerobic power and bilateral ratio. In conclusion, it is necessary for NT to improve their hamstring muscle strength and ipsilateral ratio and thus prevent the possibilities of muscle injuries.
성인 남녀의 골무기질 상태와 체 구성, 근력 및 혈압과의 상관관계
김형돈 ( Hyung Don Kim ) 한국운동영양학회 2004 Physical Activity and Nutrition (Phys Act Nutr) Vol.8 No.3
The bone mineral status is influenced mainly by genetic factors and gender. The muscle strength is also regarded as predictive factor to the bone mineral density and bone fracture. In addition, hypercalcuria and hyperparathyroidism are known to lead to reduced bone mineral content later in life. Therefore, the present study was designed to investigate the correlation between muscle strength and blood pressure and bone mineral status. The subjects consists of 41 adults female and male. The subjects were tested for anthropometry. At the same time the total bone mineral density and content, total body lean mass and fat mass were measured by dual-energy X-ray absorptionmetry (DEXA). Isokinetic knee flexion and extension peak torque was measured using a Cybex 770 dynamometer, and grip strength was measured using hand grip strength dynamometer. Blood pressure was measured with arm at cardiac level by using a sphygmomanometer. As expected, male were taller, heavier, stronger, had more lean body mass, and higher bone mineral status. Univariate regression analyses showed that bone mineral density of female was positively correlated with knee flexion peak torque, grip strength (L), systolic blood pressure, while that of male was correlated with knee extension peak torque, systolic and diastolic blood pressure.