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Enzyme stability of fraction D1. (a) High performance liquid chromatography (HPLC) chromatography of 0.25% trypsin after incubation. (b) HPLC chromatography of 20 mg/ml fraction D1 after incubation. (c) HPLC chromatography of 20 mg/ml fraction D1 and 0.25% trypsin after incubation
