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Phytase production by the unconventional yeast <i>Pichia anomala</i> in fed batch and cyclic fed batch fermentations


Digvijay Verma
T Satyanarayana

Abstract

A marked enhancement in the production of cell-bound phytase in Pichia anomala was achieved in cyclic fed batch fermentation (47333 UL-1) in comparison with that in batch (11569 UL-1) and fixed volume fed batch (36911 UL-1) fermentations in cane molasses medium. Phytase productivity was sustainable in cyclic fed batch fermentation over seven days, and therefore, this mode of fed batch fermentation appears to be a better approach for producing phytase in a cost-effective manner.

Keywords: Fed-batch fermentation, cyclic fed batch fermentation, Pichia anomala, phytase


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eISSN: 1684-5315