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        검색결과 5

        1.
        2013.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Yacon (Smallanthussonchifolius) is a root crop that contains high amounts of fructo-oligosaccharides (FOS). FOS has a sweet taste, is low in calories, and is known to promote intestinal tract health. In this study, various yacon concentrates were substituted for sugar in white pan bread to obtain healthy benefits from the use of FOS. The quality characteristic changes during storage of the white pan breadswith 0, 25, 50, 75 and 100% of added yacon concentrates instead of sugar were investigated. During storage, the water contents and water activities of the breads made with high amounts of yacon concentrates changed less than in those made with only sugar. The hardness and chewiness of the breads made with high amounts of yacon concentrates had lower values than those made with only sugar. Thus, bread made with yacon concentrates might exhibit increased moisture retention and decreased aging velocity. The substitution of yacon concentrates for sugar in pan bread improved the bread quality.
        4,000원
        2.
        2010.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        삼백초 분말의 첨가량을 0-6%로 달리하여 쿠키를 제조한 후 물리화학적 품질 및 관능적 품질특성을 측정하고 각 특성사이의 상관관계를 살펴보았다. 삼백초 분말 첨가량이 증가함에 따라 쿠키의 두께 및 밀도는 유의적으로 증가하였으나(p<0.05), 반죽의 구께 및 밀도에는 영향을 미치지 않는 것으로 나타났다(p>0.05). 반죽과 쿠키의 pH는 삼백초 분말 첨가량이 증가함에 따라 현저하게 감소하였으며, 색 특성 중 명도와 황색도 역시 현저하게 감소한 반면 적색도는 증가하는 경향을 나타내었다. 관능검사 결과, 경도를 제외한 맛, 향미, 색 등의 강도는 분말의 첨가량이 증가함에 따라 유의적으로 증가하여 6% 첨가군이 가장 높게 평가되었다(p<0.05). 한편 상관분석결과 삼백초 분말 첨가 수준은 대부분의 물리화학적 및 관능적 품질특성과 유의적인 상관관계를 나타내어, 삼백초 분말 첨가가 반죽 및 쿠키의 전반적인 품질특성에 상당한 영향을 미치는 것으로 나타났다.
        4,000원
        3.
        2003.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The purpose of this study was to investigate the effects of different moisture addition and sugar on the quality of Nokcha-julpyun, during 24hrs. As the result of the Hunter's color values, lightness, redness and yellowness were increased slightly or not after 24hrs and showed middle levels in 30%~40% moisture addition groups. It seemed that the addition of sugar to Nokcha-julpyun affected the redness and yellowness of 40% and 45% moisture addition groups more than the other groups. In texture profile, springiness of Nokcha-julpyun was not different significantly among all the groups during storage. Cohesiveness was getting higher by increase of moisture level and getting lower by storage. Sugar addition seemed to lower the rate of decrease of cohesiveness. Chewiness and hardness were getting lower by increase of moisture level and getting higher during storage. In this case sugar addition seemed to interfere the Nokcha-julpyun to be hard. Adhesiveness showed to be decreased during storage, but didn't show any correlations with water level. Sugar addition to Nokcha-julpyun seemed to increase springiness and adhesiveness slightly. 35% moisture and sugar addition group had the lowest values in springiness, hardness and cohesiveness. Both 40% groups and 45% moisture and sugar addition group had high values in springiness, cohesiveness and adhesiveness but had the lowest values in hardness and chewiness. In sensory evaluation, 30%~40% moisture addition groups showed good preferences in color, flavor, taste, tenderness and chewiness, and the 35% moisture and no sugar addition group showed the best overall acceptance among the groups. Above results indicated that moisture addition level with 30%~35% seems to give the best quality to Nokcha-julpyun added green tea powder with 6% level, and for the purpose to reduce the changes of texture profiles during storage, it is benefit to add sugar a little to Nokcha-julpyun.
        4,000원
        4.
        2002.11 구독 인증기관·개인회원 무료
        This study was conducted to investigate cryopreservation of pearl oyster, Pinctada fucata martensii larvae. Four cooling rates (-0.25, -0.5, -0.75 and -1.0/min.) were used to examine a proper cooling rate during cryopreservation of trochophores before seeding temperature (-12). Seven developmental stages (early and late trochophores, early and late D-shaped larvae and early, middle and late umbo stage larvae) and different sugars (fructose, glucose and sucrose) were used to investigate optimal larval stage and effective sugar in cryopreservation of larvae. The survival rates of frozen-thawed trochophores increased at cooling rate of -1.0/min. As larval developing, survival rate of frozen-thawed larvae increased, except umbo stage larvae, and especially late D-shaped larvae highly survived as 91%. Addition of sugar revealed positive effect on cryopreservation in this experiment and 0.2 M glucose and sucrose mixed with 2.0 M dimethyl sulfoxide significantly enhanced survival rate of larvae (P<0.05). The results of our study indicate that desirable cooling rate, developmental stages of larvae and effective sugar far cryopreservation of pearl oyster, P. fucata martensii larvae are -1/min, late D-shaped larvae and 0.2 M glucose and sucrose, respectively.