和紙原料の醗酵精練(第9報) : 四國産の原料植物より分離した有用嫌氣性細菌について

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We have isolated anaerobic bacteria for fermentation-retting of the barks of Mitsumata, Ganpi, paper-mulberry and mulberry trees. From the characteristics of an anaerobic strain menthioned in our previous paper, we proposed to name the bacterium Clostridium felsineum var. sikokianum.In the present paper, we have compared the nature of other two strains and have concluded that one of them belongs to Clost. acetobutylicum and the other to Clost. butyricum. When Clost. felsineum var. sikokianum was employed the fermentation-retting of Mitsumata and the other barks was carried out completely in 24 hr. With Clost. acetobutylicum the same retting effect was observed by 41 hr's fermentation, while complete retting was never attained with Clost. butyricum even in 96 hr's fermentation.Although the butyric acid bacteria of plectridial type were widely distributed on the plant materials in Sikoku-island, Clost. felsineum sp. was isolated very rarely.It has been found that, for the fermentation-retting Clost. felsineum sp. is the most suitable organism, Clost. acetcbutylicnm sp. a fairly useful one, but Clost, butyricum has no industrial significance.
公益社団法人日本生物工学会の論文
1952-08-15