Sugar-cane pressmud as a novel and inexpensive substrate for production of lactic acid in a solid-state fermentation system
1994
Xavier, S. | Lonsane, B.K.
Lactobacillus casei subsp. casei CFTRI 2022 produced a higher concentration of lactic acid (5.27 g/100 g dry sugar-cane pressmud) in a solid-state fermentation (SSF) system as compared to L. helveticus CFTRI 2026 and Streptococcus thermophilus CFTRI 2034. The lactic acid production by L. casei subsp. casei CFTRI 2022 was found to be significantly influenced by the initial moisture content, initial pH and initial sugar concentration of the medium. Studies on four inert materials to reduce the initial sugar concentration in the medium showed the high potential of microcrystalline cellulose whereas the use of diatomaceous earth, acid-washed river sand and washed pith bagasse posed problems. The data indicate the potential of lactic acid production from sugar-cane pressmud in an SSF system.
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