絲状菌類のDiastase組成に關する研究(第7報) : Asp. cinnamomeus SHIEMANNのγ-Amylase及び耐酸性α-Amylaseに就て

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Diastase system fo A. cinnamomeus SCHIEMANN is like "A, awamori sp." composed of γ-amylase, aciduric α-amylase and maltase.Molecular ratio of glucose to maltose produced from starch by the action of γ-amylase was approximately 2 : 1.Aciduric α-amylase differs from ordinary α-amylase in its resisting property against acidic treatment (pH 3.0,65°C, 15min.) howedver, its product from starch is nothing but maltose. (In the case of A. cinnamomeus the aciduric α-amylase can be obtained free from maltase, then the product of its action can be investigated.)It will be infered also from diastase systems, (see part VI), that SCHIEMANN'S "mutation parent" of A. cinnamomeus will not have been the original strain of VAN TIEGHEM'S A. miger, but perhaps a strain which was closely resembled to our "A. awamori sp."
公益社団法人日本生物工学会の論文
1950-10-15