Drupal-Biblio17<style face="normal" font="default" size="100%">Highly acidic phytase from Aspergillus niger NCIM 563 under submerged fermentation</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Strain improvement and up scaling of phytase production by aspergillus niger NCIM 563 under submerged fermentation conditions</style>Drupal-Biblio17<style face="normal" font="default" size="100%">Purification and characterization of two distinct acidic phytases with broad pH stability from aspergillus niger NCIM 563</style>