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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.6
- 수록면
- 755 - 760 (6page)
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초록· 키워드
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The growth-inhibiting activities of persimmon roots-derived materials against intestinal bacteria were evaluated and compared with that of 1,4-naphthoquinone as a positive control. The active constituent isolated from persimmon roots was characterized as 5-hydroxy-2-methyl-1,4-naphthoquinone using various spectroscopic analyses. Treatment with 1,4-naphthoquinone at a dose of 1.0 ㎎/disc strongly inhibited the growth of 6 intestinal bacteria. Furthermore, when the structure-activity relationships of 1,4-naphthoquinone’s derivatives were evaluated, 5-hydroxy-2-methyl-1,4-naphthoquinone and 2-methyl-1,4-naphthoquinone were found to strongly inhibit the growth of Clostridium difficile, Clostridium perfringens, and Escherichia coli without adversely affecting the growth of Bifidobacterium adolescentis, Bifidobacterium longum, and Lactobacillus acidophilus. Additionally, 2-hydroxy-1,4-naphthoquinone and 5-hydroxy-1,4-naphthoquinone strongly inhibited the growth of C. difficile and C. perfringens, but did not inhibit the growth of E. coli. Taken together, these results indicate that persimmon roots-derived materials and some of 1,4-naphthoquinone’s derivatives could be useful preventive agents against diseases caused by harmful intestinal bacteria.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
References
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