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Aspergillus oryzae와 Asp. oryzae var. fulvus의 amylase 성능에 미치는 각종 탄소원의 영향에 관하여

Studies on the amylase activity of Asp. oryzae and Asp. oryzae var. fulvus in various carbon-source media

미생물학회지 1968년 6권 3호 p.81 ~ 86
박계인, 윤정의,
소속 상세정보
박계인 (  ) - 국립공업연구소
윤정의  (  ) - 서울보건대학

Abstract


1. Amylolytic enzyme activities of Asp. oryzae and Asp. oryzae var. fulvus using the glucose as the carbon sources increased remarkably according to the decrease of the residual sugars. 2. The amylase productions of Asp. oryzae and Asp. oryzae var. fulvus were increased and enhanced when the organisms lave belen cultured in modified Koji media containing maltose as adaptive substrate. However, being devoid of maltose the level of amylase activities were lower and the begining of the production was prolonged. 3. The effects of C-sources on the amylase production of them were observed. The level of amylase activity varied with C-sources and their concentrations. Marked increase of amylase production was afforded by starch and maltose. The effects of citric acid and tartaric acid were little or nothing. 4. Using the sucrose and lactose as the adaptive substrates both strains show the maximum amylolytic enzyme activities at the 3% concentrations of those sugars.

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