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An inducible extracellular exoinulinase (isoform II) was purified from the extracellular extract of Aspergillus fumigatus by ammonium sulphate precipitation, followed by successive chromatographies on DEAE-Sephacel, Octyl-Sepharose (HIC), Sephacryl S-200, affinity chromatography on ConA-CL Agarose and Sephacryl S-100 columns. The enzyme was purified 75-folds with 3.2% activity yield from the starting...
Thermostable inulinase activity was identified in the extracellular extract of Aspergillus fumigatus. At its optimum temperature of 60°C, the ammonium sulphate fraction retained approximately 70% of its maximum activity after 72h incubation in the absence of inulin. The two isoforms of A. fumigatus inulinase were purified and their thermostability was studied. In the presence of inulin, isoform II...
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