微生物によるビタミンB_1の分解に関する研究 : (II)アノイリナーゼ菌の分離と糞便アノイリナーゼ

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Present experiment was conducted to verify the interrelation between the thiaminase activities of human feces and the presence of "thiaminase bacteria". Frequency of feces showing positive thiaminase activity increased significantly when the activity test was performed in the presence of pyridine. Eight strains of "thiaminase bacteria" isolated from 330 samples of feces belonged to Bacillus thiaminolyticus Matsukawa et Misawa, one to Bacillus aneurinolyticus Kimura et Aoyama and 5 to Clostridium thiaminolyticum Kimura et Liao. The author could not always isolate thiaminase bacteria from feces showing thiaminase activity, nevertheless the frequency of isolation from feces having thiaminase activity was significantly higher than that of isolation from feces having no activity.
日本ビタミン学会の論文