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스테비아 잎추출물을 첨가한 그릭스타일 요거트의 발효특성 및 저장기간 중 품질특성
김하나 ( Ha-na Kim ),윤지우 ( Ji-woo Yoon ),문선아 ( Seon-ah Moon ),최승배 ( Sung-bae Choi ),서용민 ( Yong-min Seo ),박준홍 ( Jun Hong Park ),주진우 ( Jin-woo Jhoo ),안성일 ( Sung-il Ahn ),김거유 ( Gur-yoo Kim ) 한국유가공기술과학회 2016 Journal of Dairy Science and Biotechnology (JMSB) Vol.34 No.1
In this study, the fermentation and quality characteristics of Greek-style yogurt supplemented with stevia leaf extract during storage were examined. Stevia leaf extract was extracted from dried leaves with hot water and 70% ethanol. The pH decreased significantly in all samples over time during fermentation (p<0.05). In particular, the sharpest decrease was detected in the group in which the hot water extract of stevia was added. Acidity increased significantly over time during fermentation (p<0.05). Lactic acid bacteria counts increased in all samples up to 9 h after the start of fermentation, but decreased after 12 h. The sugar content decreased over time, and there were no major differences between samples. Based on the results of a sensory evaluation, the group treated with stevia extract was rated high in sweetness, but was rated somewhat low in color and flavor. Accordingly, it was rated low in overall acceptability. In a storability experiment, as the days of storage increased, the pH gradually decreased, and acidity showed a tendency to increase. The sugar content showed a tendency to decrease and then increase.
문선화,이선애 한국영유아보육학회 2003 한국영유아보육학 Vol.0 No.33
The purpose of this study was to investigate the factors that affect of integrated day care services including the efficiencies, problems and preparations to be providing this programs to both regular and exceptional children. The factors are classified with personnel related this service and day care facilities. The 112 persons out of 170 were responded for this research and their background was the day care teachers, special educators, PT/OT, and social workers who are directly or indirectly working with either regular or exceptional children at the regular day care centers, the center for the handicapped children only and the center for the integrated facilities. The results of this research findings are as follows: First, children whether they are disabilities or not helping each other. The number of children per a teacher and in a classroom were overcrowded, but guidelines or restrictions and regulations to the facilities are not adequately established. Second, the respondents' licenses vary from different resources and purposes, so it would be provided sometimes insufficient services in need of both regular and handicapped children. Third, integrated day care centers showed rather a high tendency of sufficient services than other day care programs. Fourth, teacher's age, kind of licenses and type of day care centers are influential factors affecting providing services to the children, but factors had feeble influence on the efficiencies and preparations of integrated day care.