日本産食品に関与する微生物に対するγ線の影響とその応用に就いて(第8報) : 酒造米に対するγ線の影響

概要

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A number of informations have been presented dealing with the sterilization of grains by ionizing radiation. The present study is concerned with the sterilization of rice for sake-brewing by gamma-irradiation and the physical and chemical changes in the rice brought about thereby. According to our researches. a dose of 10^6r can destory all bacteria and fungi on the rice. The intrinsic viscosity of rice starch prepared from the irradiated one is decreased as the dose is increased.The nitrogenous components of rice is slightly destroyed by gamma-irradiation. The enzym activity of rice-koji prepared from irradiated rice shows no difference from non-irradiated control, and the "moto" production is also unaffected.
社団法人日本生物工学会の論文
1961-02-15