In Vitro Anti-Helicobacter pylori Activity of Chinese Chive (Allium tuberosum)
スポンサーリンク
概要
- 論文の詳細を見る
The anti-Helicobacter pylori (H. pylori) activity of a water extract of Chinese chive (Allium tuberosum) (WCC) was investigated. On disk diffusion assay, WCC effectively inhibited the growth of all 21 strains tested, including isogenic mutants, showing inhibition diameters of 12 to 29 mm, irrespective of drug susceptibility and clinical manifestation. The minimum inhibitory concentration (MIC) of WCC was 2.45 mg dry weight/mL. Killing assay with multiples of MIC confirmed that WCC had bactericidal activity and that the inhibitory effects were dose dependent. In addition, to determine whether the inhibitory activity of WCC under severe stress conditions, such as heat and acidity, is altered, the stability of WCC was evaluated. The inhibitory activity of WCC exposed to acidic conditions (pH 1.0 to 6.4) was stable, while heat-treated WCC (100°C, 10 min) showed slightly decreased inhibition activity. On combination assay with antibiotics frequently used in clinical practice, WCC was found to be an innocuous agent for antibiotic activity. These results suggest that daily intake of WCC is able to prevent H. pylori colonization in the stomach, and that it could be applied as adjuvant therapy in H. pylori eradication.
- 社団法人 日本食品科学工学会の論文
- 2011-11-01
著者
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Sugiura Tetsuro
Department Of Clinical Laboratory Medicine Kochi Medical School
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Takeuchi Hiroaki
Department Of Applied Chemistry School Of Science And Engineering Waseda University
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Kadota Youshu
Department Of Clinical Laboratory Medicine Kochi University School Of Medicine
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KUDO Hayato
Faculty of Agriculture, Kochi University
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SHIMAMURA Tomoko
Faculty of Agriculture, Kochi University
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UKEDA Hiroyuki
Faculty of Agriculture, Kochi University
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Kudo Hayato
Faculty Of Agriculture Kochi University
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Shimamura Tomoko
Faculty Of Agriculture Kochi University
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Ukeda Hiroyuki
Faculty Of Agriculture Kochi University
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Takeuchi Hiroaki
Department Of Clinical Laboratory Medicine Kochi University School Of Medicine
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