糸状菌類のDiastase組成に關する研究(第3報) : 泡盛白麹菌に就て : 其1 形態的並に2,3の生理的性質に就て

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This mold is said to be born by the mutation of a certain species of black aspergillus.From ancient times, distillers in the southern provinces of Japan, Kagoshima and Okinawa, only black species of aspergillus had been used for saccharifying starchy materials, but in recent years consumers of the above mentioned white variant are gradually increasing.But as there was no scientific literature upon this mold, we were obliged to study its characters, and obtained the following result.Morphology : The growth on malt-extract-agar, ochre color. Mycelia colorless, septate, 5〜8μ breadth. Conidiophore arises from broaded and thicknened foot-cell, 400-750×10-15μ, surface smooth. Blases almost spherical, having diameter 20-30μ, Sterigmata single phase. 8-10×2.5-4μ. Conidia spherical. 3-4.5μ diameter, rough, ochre color. Perthecium has not yet been certified.Physiology ; In luqiud medium containing sucrose, it forms citric acid. (8% of sugar consumed), and slight amount of oxalic acid.In glucose Ca carbonate medium, it forms gluconic acid at the yield of about 70% Liquiefies gelatine and inverts sucrose. Optimum temeprature 30-35°. From its culture on wheat-bran, we extracted, as reported in Part I and II, powerful diastase which is composed of α-amylase, and β-amylase maltase.We concluded from these data taht this mold may be useful for vairous industries, and gave the name of Aspergillus kawachii nov. sp.
公益社団法人日本生物工学会の論文
1949-07-15

糸状菌類のDiastase組成に關する研究(第3報) : 泡盛白麹菌に就て : 其1 形態的並に2,3の生理的性質に就て

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