Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol.13, Issue 1, 2011; Page No.(167-169)

A NOVEL APPROACH TO PACK A FERMENTOR WITH DEFOAMER COATED OPEN CELLED POLYURETHANE FOAM AND TO TEST FOR FEASIBILITY OF STERILIZATION

M. GANGADHARA NAIDU AND K.M. SUBBU RATHINAM

Abstract

A piece of open celled polyurethane foam (PUF) coated with undiluted defoaming agent was fixed at a particular position within a standard glass laboratory fermentor and subjected for steam sterilization at 121deg.C. Post sterilization observations showed that there was no appearance of any defoamer droplets on the contents of fermentor vessel and no presence of moisture within the sterilized defoamer coated open celled PUF. From this study, it can be concluded that a fermentor can be packed with a defoamer coated open celled PUF at a particular position and can be steam sterilized.

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