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RISS 인기검색어
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- 저자 : Eun-Ja Cho(조은자) (검색결과 48 건)
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조은자,양미옥,황지희,김운진,김민정,이미경,Cho Eun-Ja,Yang Mi-Ok,Hwang Chi-Hui,Kim Woon-Jin,Kim Min-Jeong,Lee Mi-Kyung 동아시아식생활학회 2006 동아시아식생활학회지 Vol.16 No.4
In order to develop a Bokbunja(Rubus coreanum Miquel) with natural & food applications, the effects of Bokbunja juice and wine on the physical, textural anti bacterial and sensory properties of sulgiduck were examined. Aw of Bokbunja sulgiduck(BS) decreased as storage time prolonged. Bokbunja juice sulgiduck(BJS) was higher than Bokbunja wine sulgiduck(BWS) in water activity. BJS and BWS showed low tendency in pH as additional level was high and storage time was prolonged. Hardness of the samples increased as the storage period increased, the samples exhibited a rapid increase after 24 hours of storage. BJS was lower significantly than those of none bokbunja after 6 hours of storage. Chewiness increased slowly to 12 hours. it appeared sudden decrease after 12 hours. Adhesiveness increase of the storage 24 hours it appeared. Springiness slowly reduced with the storage period, especially J4 was slowly reduced gumminess of the samples increased as the storage period. Cohesiveness increase of the slowly width for during the storage 12 hours, increase of the largest width was after save 12 hours. Color a and b values increased significantly, as storage time was prolonged. Total colony of all the BS increased. total colony of BWS decreased as additional level of Bokbunja wine. All the sensory characteristics indicated rapid decrease tendency after 12hr storage. BWS showed higher score than BJS in overall acceptability. BWS and BJS increased in color and flavor as additional level of juice and wine increased, while softness decreased as storage time was prolonged. BWS 3% showed highest score among all the BS through all storage time. BWS 3% was most excellent in sensory evaluation.
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조은자,박나영,임지숙,Cho Eun-Ja,Park Na-Young,Lim Ji-Suk 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.4
In this study, to prove the effect of soybeans's electron donating ability and its addition on eel gouem, storage and sensory characteristics were examined. During the storage period, pH values of all gouem samples were decreased with initial increase except the control. BSB $3\%$ sample had the lowest pH value and YSB $10\%$ sample was the highest 6.71 in pH value at first storage day. The electron donating ability of soybeans were increased with the amount of addition. The electron donating ability of SBSB 20g sample was the highest, which was 2 ${\~}$ 3 times higher than that of YSB sample. L values of all the gouem samples had a tendency to decrease according to the storage period and amount of addition. All samples' a values were increased throughout the storage period, while b values decreased except the control and GNG sample. TBA and VBN values of all the samples were up and down throughout the storage period SBSB $10\%$ sample had the lowest in TBA value. The electron donating ability of all soybean samples and TBA value of eel gouem samples showed a negative correlation. Total plate count of bacteria was increased rapidly for initial storage period, but all samples showed a tendency of slow growth after the 8th day of storage. During all storage days, SBSB, BSB samples had a similar tendency of low total plate count growth. GNG $10\%$ sample showed the lowest in total plate count of bacteria at sixteenth day of storage. Sensory scores of all samples decreased with storage. For all the items of the sensory evaluation, SBSB $5\%$ sample got the highest score among all eel gouem samples. GNGSB sample showed the lowest in TBA value and total plate count of bacteria. And in the sensory evaluation, GNGSB sample got the highest scores for several items.
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조은자,양미옥,강현주,Cho, Eun-Ja,Yang, Mi-Ok,Kang, Hyun-Joo 동아시아식생활학회 2007 동아시아식생활학회지 Vol.17 No.1
This study was designed to characterize the physicochemical effects of the addition of rice wine cake(0, 1, 2, 4%) to yackwa. Dietary fiber, volume, SEM, TBA, color, texture characteristics and sensory evaluation of yackwa were investigated. The dietary fiber content of rice wine cake was 10.24%, and the dietary fiber content of yackwa increased with added rice wine cake. The extensibility value increased with more rice wine cake. SEM revealed, many holes in a delicate structure with many layers. During a 4-week storage period, yackwa containing rice wine cake had lower TBA values than control, except for the sample containing 4% rice wine cake. The TBA value of yackwa containing 4% rice wine cake had the highest TBA value. The L value and b value of samples decreased with the addition of rice wine cake and storage time, but the value increased with added rice wine cake according to the storage time. The hardness, cohesiveness and gumminess of yackwa increased according to the time of storage and the addition of rice wine cake, but the springiness and chewiness of yackwa decreased. In sensory evaluations, all items received the lower scores according to the storage time. Yackwa that contained 1%(RWC1) received the highest score for color and flavor, and yackwa that contained 2% (RWC2) had the highest score for crispness and roast. Overall preference was, in order: RWC2 > RWC1 > CON > RWC4. Yackwa that contained $1{\sim}2%$ rice wine cake possessed superior features in most of the quality properties and in sensory evaluation, so yackwa that contains rice wine cake can be used as a functional food.
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일반 메밀과 쓴 메밀 가루를 첨가한 찜 케이크의 품질 특성
조은자,김운진,양미옥,Cho, Eun-Ja,Kim, Woon-Jin,Yang, Mi-Ok 동아시아식생활학회 2007 동아시아식생활학회지 Vol.17 No.2
This study was conducted to compare the quality of steamed cakes supplemented with common buckwheat(F. esculentum Miench.) and tartary buckwheat(F. tartaricum Gaetn). A proximate analysis, and rutin content, color value, texture characteristics and sensory evaluations were performed, In the proximate analysis, the steamed buckwheat as opposed to raw buckwheat, appeared to afford higher values for most of the evaluated items. The rutin content of the tartary buckwheat was over 14 times higher than that of common buckwheat and remained about 58% higher after steaming. The lightness of the steamed cakes was in the following order: control(wheat flour only), with the addition of common buckwheat, and with the addition of tartary buckwheat. The redness and yellowness increased in the following order: tartary buckwheat, common buckwheat, control steamed cake. There were no significant differences in the springiness of steamed cake between the various samples including the control: therefore, resulted in good quality during bread-making. In the sensory evaluation, on increasing the amount of tartary buckwheat addition the score for entire taste increased compared with common buckwheat and the control and also had positive results for all other items, including flavor, color, softness and moistness. This study has suggested the ability to make steamed cakes containing tartary buckwheat flour.
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양미옥,조은자,Yang, Mi-Ok,Cho, Eun-Ja 동아시아식생활학회 2007 동아시아식생활학회지 Vol.17 No.1
To develop a new type of surimi with added citrus fruits, we examined the colors, textural properties and sensory evaluations of surimi after production. In the folding test, all samples had good flexibility, which suggested that addition of citrus fruits did not influence the flexibility of surimi. The pH in surimi samples was, in increasing order: lemon(Citrus limon), citron(Citrus junos), tangerine(Citrus unshiu), cumquet(Fortunella japonica var. margarita), and control. The pHs of each citrus fruits and the surimi with added citrus fruits were similar. Lightness increased in the following order: lemon, cumquet, control, citron, and tangerine surimi. Redness was high in the following order: tangerine, cumquet, control, citron, and lemon surimi. Yellowness increased in the following order: tangerine, cumquet, citron, lemon, and control surimi. There were no significant differences between lemon and control surimi. The hardness of surimi was highest in lemon, followed by citron, tangerine, cumquet, and control surimi. Although control surimi was the lowest, there were no significant differences among the samples. In terms of springness, it increased in the following order: tangerine, citron, control, lemon, and cumquet, but there were no significant differences among the samples. In sensory evaluation, overall acceptability decreased in the following order: cumquet, tangerine, control, citron, and lemon. Surimi containing cumquet got the best score in colors, textural properties, and taste except flavor. All samples got positive results in sensory ova luations, except for textural properties and taste of lemon and citron. Here, we confirm that surimi can be made with added citrus fruits, although we should examine in detail the quantities of added lemon and citron in a later study.
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양미옥,조은자,Yang Mi-Ok,Cho Eun-Ja 동아시아식생활학회 2006 동아시아식생활학회지 Vol.16 No.4
This study was conducted to develop pigment of flowers as a food material and the red rose(Rosa hybrida L.) was used for this study. To check the possibility of using the rose pigment as a food additive we have extracted the pigment from rose and examined all the factors (pH, temperature, free sugars, organic acids, metal ions) for stability. The results obtained are as follows: In examining the stability of the pigment, the residue of the pigment noticeably decreased with the increase of the pH and the temperature, and among free sugars (fructose, glucose, sucrose) the addition of fructose made the residue the lowest. With the addition of organic acids the samples exhibited the hyperchromic effect throughout the period of the storage. The pigment residue decreased when the amount of the metal ions increased and especially the Cu$^{2+}$ ion was most destructive.
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