Studies on Growth and Formation of Capsule of Bacterial Culture by Rice Bran : A case of Isolation Culture for an Amount Frequency

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  • Yamada Iwao
    九州大学医学部保健学科検査技術科学専攻

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  • 米ぬかによる細菌の発育増殖性と莢膜の形成性について : 高頻度に分離される細菌の場合
  • コメヌカ ニ ヨル サイキン ノ ハツイク ゾウショクセイ ト キョウマク ノ ケイセイセイ ニ ツイテ コウヒンド ニ ブンリ サレル サイキン ノ バアイ

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The purpose of this study is to examine growth and formation of capsule of bacterial culture by Rice Bran. As the result , the following findings were obtained. 1) The growth by Rice Bran agar was confirmed in after cultivation of 48-72 hours, but isolated colony formation was difficult. 2) The growth by Rice Bran broth could be confirmed after the cultivation of 24 hours on all bacterial culture. 3) The formation of cupsule by Rice Bran broth could be confirmed in E. coli, K. pneumoniae, K. oxytoca. 4) As for K. pneumoniae, formation of capsule by blood broth was confirmed in both blood broths. E. coli, K. oxytoca were confirmed in human blood broth. In addition, a capsule of K. pneumoniae was thicker in Rice Bran broth than in blood broth.

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