Kagoshima Women's Junior College Repository / 鹿児島女子短期大学リポジトリ
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    Antibacterial Activity of Sweetpotato (Ipomoea batatas L.) Fiber on Food Hygienic Bacteria

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    P(論文)The antibacterial activity of sweetpotato fiber against pathogenic Escherichia coli (O157:H7), Salmonella typhimurium, Staphylococcus aureus, and Saccharomyces cerevisiae was investigated using microcalorimetry. The fiber enzymatically prepared from three varieties of sweetpotato storage roots (Koganesengan, Shiroyutaka, and Kyushu No. 124) exhibited bacteriostatic activity against pathogenic E. coli, S. typhimurium, and S. aureus; however, commercial fiber (Satsumaimo fiber) after citric acid fermentation of sweetpotato starch waste did not exhibit antibacterial activity against these bacteria. All sweetpotato fiber, including Satsumaimo fiber, used in this experiment exhibited no antibacterial activity against S. cerevisiae. Chitin exhibited no activity against pathogenic E. coli; however, clear activity of pectin, calcium alginate, and Kyushu No. 124 was observed, in that order. The yield of boiled-water extract from enzymatically prepared fiber was three times greater than that from Satsumaimo fiber. Chemical analysis of the boiled-water-soluble fraction suggested that its main component is pectin. The acid sugar content of sweetpotato fiber was much higher than that of Satsumaimo fiber. The boiled-water-insoluble fraction exhibited bacteriostatic activities, but the boiled-water-soluble fraction did not. Bacteriostatic activity of sweetpotato fiber was suggested to be due to the synergistic effect of cellulose, hemicellulose, and pectin of the fiber.departmental bulletin pape

    A Teaching Trial Effective in Cultivating Emotional Self-expression in Music Class

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    P(論文)This paper presents a study into the cultivation of emotional self-expression abilities of senior high school students and elementary school pupils through including and carrying out of the music classes program arranged for this purpose. A positive and effective influence had been confirmed through a questionnaire taken among students of K-12 level at the end of the program. The questionnaire also showed a deficiency in fostering of the emotional self-expression abilities in elementary and high school education and a necessity to re-examine the contents of the music classes taught at school. Then a suitable adoption of the elementary school music classes' program had been made and tested with an emphasis on bolstering up of the pupils' emotional and verbal expression abilities. It can be said that the undertaking of ameliorative reforms in school music class program will positively contribute to the process of children's self-expression development.departmental bulletin pape

    研究活動報告(中扉)

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    紀要編集委員

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    紀要第46号(標題紙)

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    裏表紙

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    Kagoshima Women's Junior College Repository / 鹿児島女子短期大学リポジトリ
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