2007•Nanjing Linye Daxue xuebaoRequires access
Effects of Restrainers on Fermentation of Pentose by Pichia stipitis
Shiyuan Yu
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Abstract
Effects of fermentation restrainers such as formic acid,acetic acid and ethanol on xylose fermentation by Pichia stipitis P2 were discussed.The growth and xylose fermentation were normal when 4.0 g/L acetic acid was added to culture medium.When 5.0 g/L formal acid was added to culture medium,the ratio of xylose fermentation decreased and the growth of yeast was normal.The yeast could sustain and ferment xylose when 40.0 g/L ethanol was added.