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Öğe Determination of the effects of initial glucose on the production of ?-amylase from Penicillium sp under solid-state and submerged fermentation(Taylor & Francis Ltd, 2014) Ertan (Inceoglu), Figen; Balkan, Bilal; Yarkin, ZehraThe effects of catabolite repression of initial glucose on the synthesis of alpha-amylase from Penicillium chrysogenum and Penicillium griseofulvum were investigated under solid-state fermentation (SSF) and submerged fermentation (SmF) systems. The results obtained from either fermentation were compared with each other. In the SmF system, initial glucose concentration above 10 mg/mL completely repressed the production of alpha-amylase from P. chrysogenum and P. griseofulvum. However, the repression in the SSF system was not complete, even when the glucose level was raised to 160 mg/g.