非醗酵性糖に關する研究 (第5報) : 各種糸状菌酵素によるmaltoseからの生成糖類及び其の分解に就いて

概要

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We studied the production of unfermentable sugars by the action of fungal enzyme on maltose. 1) Filtrates from the fungal cultures (Asp. niger NRRL 337,Asp. niger sp., Asp. oryzae (S4-15), Asp. usamii, Asp. awamori, Rhiz. javanicus T., Rhiz. Peka) ware added as fungal enzyme to the buffered maltose solutions and the reaction mixtures were incubated for 72 hr at 55℃. We have demonstrated by papar partition chromatography that these filtrates synthesize unfermentable sugars (sakebiose, kojibiose, isomaltose, panose, dextrantriose and 2〜3 oligosaccharides) from maltose. The quantitative analyses of these sugars had been made.2) By the action of acetone preparations of the eight kinds of mycelial felts on maltose we obtained the same sugars.3) By the action of acetone preparations of the same mycelial felts and by the surface culture of mycelia, isomaltose was degradated to glucose.
公益社団法人日本生物工学会の論文
1953-08-15