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남혜원 ( Hae Won Nam ),변진원 ( Jin Won Pyun ),현영희 ( Young Hee Hyun ) 한국식품영양학회 2009 韓國食品營養學會誌 Vol.22 No.3
This study was carried out to investigate the perception and preference of the Korean gruels. The survey was conducted among housewives living in Seoul and Gyeonggi province using a questionnaire during September 2008. The responses of 313 housewives were analyzed by SPSS program. The results were as follows. The gruel served as a dainty or therapeutic diet. Among the subjects, 37.2% liked gruel because of `special treat` or `easy to digest`, The reason of dislike of gruel was absence of chew or cumbersome cooking. They usually cooked gruel at home, and considered that goods on the market were expensive or unsanitary. The highly perceptive gruel was Potjook, Dakjook, Hobakjook. Jeonbokjook, Hobakjook, Dakjook were mostly preferred in order. Socio-demographic factors didn`t affect the awareness of gruel, but there were significant correlations between the preference of gruel and the state of employment or monthly income. It is necessary to develop various and convenient to cook gruels to be consumed, riding on the trend of well-being and slow-food.
현영희 ( Young Hee Hyun ),변진원 ( Jin Won Pyun ),남혜원 ( Hae Won Nam ) 한국식품조리과학회(구 한국조리과학회) 2014 한국식품조리과학회지 Vol.30 No.1
This research focused on investigating the effect of lentinus edodes on the Garaedduk by analyzing its quality characteristics. Through this research, it could be verified whether this improved food has the potential to develop into a functional food. 5 pieces of Garaedduk with 0, 2, 4, 6, and 8% of lentinus edodes powder were analyzed by water content, color, sensory, textural characteristics and cooking characteristics right after the production and after one day. The five Garaedduk showed significant differences in water content during storage period of 0 & 1 day. As the result of Hunter`s color values, with the increase of lentinus edode during storage period of 0 & 1 day, lightness was significantly decreased and redness and yellowness were significantly increased . As the result of textural analysis, hardness and chewiness showed significant increase and cohesiveness was significantly decreased in Garaedduk with the increase of lentinus edodes. When the Garaedduk were preserved for one day, the hardness and chewiness of the Garaedduk with 2% of lentinus edodes showed similar with the control. Cohesiveness showed significant decrease in all Garaedduk. The result of the sensory evaluation showed increase in the color, aroma and taste with the increase of lentinus edodes. The 2% Garaedduk showed similar hardness with the control. Garaedduk with lentinus edodes showed no difference in cohesiveness and adhesiveness with the control. The overall acceptability was significantly increased with the increase of lentinus edodes while the Garaedduk with 6% of lentinus edodes showed the highest overall acceptability. After one day of preservation, the Garaedduk with 4% lentinus edodes also showed the highest overall acceptability. As the result of cooking properties, weight gain and volume were significantly increased with the increase of lentinus edodes. The 2% Garaedduk particularly showed similar weight gain with the control. In turbidity of soup was significantly increased with the increase of lentinus edodes. In Hunter`s color values of soup, lightness was significantly decreased with the increase of lentinus edodes. Redness and yellowness were significantly increased with the increase of lentinus edodes like Garaedduk.
현영희 ( Young Hee Hyun ),남혜원 ( Hae Won Nam ),변진원 ( Jin Won Pyun ) 한국식품영양학회 2008 韓國食品營養學會誌 Vol.21 No.3
This study was conducted to investigate the effective ratio of Sulgidduk to glutinous corn flour. We measured the moisture content, color differences, and texture of Sulgidduk with glutinous com flour and conducted a sensory test. There was a significant difference between the moisture content of the glutinous corn Sulgidduk batches with added glutinous corn flour and the control group. As the proportion of glutinous corn flour increased, the lightness(L) significantly decreased, whereas the redness(a) and yellowness(b) significantly increased. When the amount of glutinous corn flour increased, there was a significant increase in the hardness and adhesiveness, but a significant decrease in the cohesiveness. The results of the sensory evaluation showed that roughness increased significantly when the amount of glutinous corn flour was increased. The moisture and softness decreased significantly as the glutinous corn flour concentration increased. These results indicated that adding 5~10% corn flour to the glutinous corn Sulgidduk produced the best quality.
일부 대학생들의 라면 섭취 관련 식행동과 국물 섭취 실태 조사
김형숙(Hyung Sook Kim),이은영(Eun Young Lee),김경민(Kyung Min Kim),김경원(Kyung Won Kim),변진원(Jin Won Pyun),정상진(Sang Jin Chung),권영혜(Young Hye Kwon),여익현(Ik Hyun Yeo),이상윤(Sang Yun Lee),남기선(Ki Sun Nam) 대한지역사회영양학회 2013 대한지역사회영양학회지 Vol.18 No.4
High intakes of sodium may increase the risk of hypertension or cardiovascular diseases. According to the 2010 Korea National Health and Nutrition Survey, the average intake of sodium was 4,878 mg/day with salt, kimchi, soy sauce, fermented soybean paste and Ramyeon being the five main sources of sodium. In order to identify solutions to reduce the intake of sodium, we investigated the intake patterns and eating behaviors of Ramyeon among 347 college students (male 146, female 201) using survey questionnaires. The average age of study subjects was 23.7 years for males and 20.5 years for females. The average Body Mass Index (kg/m2) was 21.9 for males and 20.1 for females. The average frequency of Ramyeon intake was 2.0 times/week. The main reason for eating Ramyeon was convenience (56%), followed by good taste (27%), low price (11%) and other reasons (9%). The criteria for choosing Ramyeon were taste (72%), convenience (14%), price (7%), nutrition (1%), and the other factors (2%). Males` average intake of Ramyeon soup (61%) was higher than that of the females (36%). The estimated intake of Ramyeon soup by survey showed a positive correlation with the measured intake of Ramyeon soup. Sodium contents of Ramyeon were measured separately for the noodles and the soup, which were 1,185 mg/serving and 1,148 mg/serving each. Therefore, the amount of sodium intake can be reduced if students eat less Ramyeon soup. Also, we observed that dietary behaviors and soup intakes of Ramyeon between the sexes were different. Appropriate nutritional education for proper eating habits may help decrease the intake of sodium. (Korean J Community Nutr 18(4) : 365~371, 2013)
남혜원,현영희,변진원 동아시아식생활학회 2004 동아시아식생활학회지 Vol.14 No.6
This study was performed to develop a standardized recipe for yuza pyun made of citron juice that is by-product of citron tea, to increase the utilization of citron. The effects of mungbean starch(15%, 18%) and dilution ratio of yuza extract(100%, 75%, 50%) on the quality characteristics were evaluated. The quality characteristics of the samples were estimated in terms of sweetness, color difference, texture profile analysis and sensory evaluation. Sweetness of the 18% mungbean groups were higher than 15% groups(p<0.001). The values of Hunter color system indicated that higher content of yuza extract tended to increase yellowness significantly(p<0.001). Texture profiles of hardness, adhesiveness, springiness, cohesiveness, gumminess of yuzapyun showed no significant differences among samples. For sensory evaluation, color and sourness were decreased as yuza extract was diluted, whereas elasticity and sweetness were increased. Yuza pyun containing 18% of mungbean starch with 50% diluted extract was the most preferred in overall acceptability. According to multiple regression analysis, color, sweetness, elasticity and sourness(in order) were important control factors in overall acceptability.
변진원 한국식품영양학회 2002 韓國食品營養學會誌 Vol.15 No.4
본 연구는 두유에 칼슘을 강화하고자 두유단백질의 칼슘내인성을 높이기 위한 방법으로 단백분해효소를 처리한 경우 효소처리 전, 후에 나타나는 단백질의 구조적 특성을 비교 분석하였다. 표면소수도는 MP<SPI<PT-SMP의 순으로 나타났으며, SMP나 PT-SMP는 열변성으로 인해 S-S결합의 형성을 초래하여 유리 thiol기의 양이 적게 나타났고 S-S의 환원속도를 비교해 볼 때 SMP보다 PT-SMP가 빠른 것으로 보아 효소처리로 인해 분자구조가 성글어졌음을 확인하였다. 단백질의 2차 구조 분석 결과 SMP나 SPI에 비해 PT-SMP는 전혀 다른 circular dichroism 패턴을 보여 효소처리로 인해 많은 구조적 변화를 초래했음을 알 수 있으며, 또 3가지 시료의 DSC 분석 결과 흡열 피크가 작으면서 넓게 퍼진 모양을 하고 있어 모두 변성된 시료임을 확인하였다. 특히 PT-SMP의 피크면적이 가장 작은 것으로 보아 구조가 성글어져 열에 의한 변성이 더 쉽게 일어났으리라 생각된다. Conformation of soymilk protein was examined to obtain basic information for improved calcium intolerence of soymilk protein partially hydrolyzed with protease. Surface hydrophobicities of three proteins showed the order of SMP (soymilk protein) < SPI (soy protein isolate) PT-SMP (protease treated soymilk protein). Total thiol group contents of SMP and PT-SMP were similar but larger than that of SPI. Reducing rate of disulfide bond in PT-SMP after 2-mercaptoethanol treatment was faster than that in SMP. And so, this result indicates that PT-SMP may be less compacting due to protease treatment. From circular dichroism result, PT-SMP showed different pattern from SMP and SPI suggesting change of secondary structure by hydrolysis. And analysis of heat denaturating property by DSC showed that denaturation enthalpy of three proteins were all small. Especially enthalpy of PT-SMP was least, and this result suggested that PT-SMP was denatured easily by heating due to less compacting structure.