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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.
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.
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.
태권도 훈련 형태가 피로유발에 의한 자세 안정성의 변화에 미치는 영향
김형돈 ( H. D. Kim ),김도희 ( D. H. Kim ),신용석 ( Y. S. Shing ) 한국운동생리학회(구 한국운동과학회) 2011 운동과학 Vol.20 No.3
김형돈, 김도희, 신용석. 태권도 훈련 형태가 피로유발에 의한 자세 안정성의 변화에 미치는 영향. 운동과학, 제20권 제3호. 215-226, 2011. 본 연구는 태권도 겨루기(n=15)와 품새(n=15) 선수를 대상으로 하여, 단기성 점진 부하운동에 의한 피로유발이 정적 및 동적 평형성의 변화와 회복시간에 미치는 영향에 대해 연구하고, 평형성과 신체구성, 등속성 근 기능의 상관관계를 연구하는데 목적이 있다. 동적 평형성의 비교를 위해 지면 반력기(force-plate)를 이용하여 안정 시, 피로 직후, 피로 후 5분, 피로 후 10분, 피로 후 15분을 측정하여 비교하였고, 피로유발을 위해 트레드밀에서 Bruce protocol을 적용하여 all-out까지 운동 하였다. 연구결과 두 집단의 신체구성 및 등 속성 근 기능의 비교에서 무릎신전, 굴곡근력, 발목저측, 배측근력, 무릎신전 PT%BW, 무릎굴곡 PT%BW, 발목배측 PT%BW, 발목 저측, 배측 Ratio에서 겨루기 집단이 유의하게 높게 나타났다. 정적평형성, 동적평형성, 신체구성 및 등속성 근 기능의 상관관계에서는 겨루기 집단의 정적 평형성은 발목 저측근력과, 동적 평형성은 체중, BMI 및 무릎 굴곡근력이 유의한 상관관계를 나타내었다. 품새 집단은 동적 평형성에서 체지방율과 안정시 ML이 유의한 상관관계를 나타내었다. 신체구성과 등속성 근 기능이 평형성에 미치는 영향을 확인하기 위한 회귀분석 결과 겨루기 집단의 정적 평형성에는 발목 저측근력, 동적 평형성은 겨루기, 품새 집단 모두 동적 평형성 안정 시 면적, AP, 또는 ML로 비슷한 경향을 보였고, 겨루기 집단에서만 BMI가 선택되었다. 결론적으로 체력적 요소보다 체구성과 인체측정 요인이 평형성과 더 높은 관련성을 보여 주었으며 피로 유발 후 정적 평형성에서 만이 집단 간의 유의한 차이가 존재하였다. The purpose of this study was to evaluate the effects of fatigue induced by short period of strenuous exercise performed on motor driven treadmill on postural control of 15 Taekwondo poomsae players and 15 sparing players. Participants completed one leg standing with eyes closed test for static balance and force-plate test for dynamic balance before maximal aerobic exercise on the treadmill using Bruce protocol measured by Quark b2 (Cosmed, USA) respiratory gas analyzer. After completion of aerobic test the participant repeated one leg standing and force-plate test in the separate session. The data collected were analyzed by SPSS statistical package using descriptive statistics, one-way and two-way repeated measure ANOVA, independent t-test, correlation analysis, and multiple regression analysis with 0.05 significance level. The results of sparing players showed that the ankle plantarflexor peak torque were related to static stability. The weight, BMI, knee flexion peak torque were statistically related to dynamic stability. Poomsae players showed that the percent body fat was related to dynamic stability. The ankle girth and percent body fat were selected as independent variable in prediction equation for poomsae players. Dorsiflexion peak torque, RER, and BMI were also selected as independent variable in prediction equation for sparring players. The change of static stability between poomsae players and sparing players was significantly different. Poomsae players returned in 10 minutes after fatigue. The dynamic stability did not show significant difference between two groups.
비만 중년여성들의 복합운동 프로그램이 비만관련인자에 미치는 영향
김형돈(Hyung Don Kim),김종식(Jong Shik Kim),김덕중(Duk Jung Kim),조현철(Hyun Choul Cho) 한국사회체육학회 2011 한국사회체육학회지 Vol.0 No.45
The purpose of this study was to investigate the effects of a 12weeks combined exercise on body composition obesity related factors in obese middle-aged women The major results are as follows: 1. The body compositions such as body weight, body fat mass, BMI in both the Combined exercise group and the aerobics exercise group were positively significant changes, but the drop rate of the combined exercise group is larger. 2. The changes of Adiponectin in the Combined exercise group were significantly increased after 12 weeks of exercise(P<.01), the aerobics exercise group also was significantly increased(p<.05). But, the control group was decreased. The changes of Leptin in the Combined exercise group were decreased after 12 weeks of exercise(p<.05), the aerobics exercise group also was decreased(p<.05). But, the control group was decreased. These results suggest that positive changes can be found in body composition(body weight, body fat mass, BMI), adipocyte(adiponectin, Leptin). Especially very significant changes can be found in obesity related factor(adipocytokine) after the 12-week exercise compared to that of the beginning. Namely, regular combined exercise program has a positive effect on body composition, adipocyte and restrained-eating factors throughout the increase of BMR, muscle mass, lipolysis, and the utilization of fat. The combined exercise program could be a great benefit in health improvement and the treatment of obesity.