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Two‐stage continuous fermentation of Saccharomycopsis fibuligeria and Candida utilis
Author(s) -
Admassu Wudneh,
Korus Roger A.,
Heimsch Richard C.
Publication year - 1983
Publication title -
biotechnology and bioengineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.136
H-Index - 189
eISSN - 1097-0290
pISSN - 0006-3592
DOI - 10.1002/bit.260251112
Subject(s) - fermentation , dilution , biomass (ecology) , yeast , food science , biology , stage (stratigraphy) , agronomy , biochemistry , paleontology , physics , thermodynamics
Biomass production and carbohydrate reduction were determined for a two‐stage continuous fermentation process with a simulated potato processing waste feed. The amylolytic yeast Saccharomycopsis fibuligera was grown in the first stage and a mixed culture of S. fibuligera and Candida utilis was maintained in the second stage. All conditions for the first and second stages were fixed except the flow of medium to the second stage was varied. Maximum biomass production occurred at a second stage dilution rate, D 2 , of 0.27 h −1 . Carbohydrate reduction was inversely proportional to D 2 , between 0.10 and 0.35 h −1 .