Secretion of α-L-Rhamnosidase by Some Indigenous Fungal Strains Belonging to Penicillium Genera

  • S. Yadav
  • S. Yadava
  • K. D. S. Yadav


Secretion of α-L-rhamnosidase by Penicillium purpurogenum MTCC-3010, Penicillium greoroseum MTCC-9424, Penicillium citrinum MTCC-3565, Penicillium corylophilum MTCC-2011, Penicillium brevicompactum MTCC-1999, Penicillium corylophilum MTCC-6492, Penicillium waksmanii MTCC-6480 in the liquid culture medium have been reported. The enzyme characteristics of α-L-rhamnosidase like Km, pH and temperature optima have been determine using p-nitrophenyl α-L-rhamnopyranoside as substrate. The Km values are found to be in the range 0.25–0.50 mM, pH optima values are found to be between 6.0–11.0 and temperature optima values are between 50–60 °C.


Liquid Culture Medium Fungal Strain Fungal Spore Steady State Velocity Penicillium Purpurogenum 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • S. Yadav
    • 1
  • S. Yadava
    • 1
  • K. D. S. Yadav
    • 1
  1. 1.Department of ChemistryDDU Gorakhpur UniversityGorakhpurIndia

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