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    Author(s): T. W. Jeffries
    Date: 1985
    Source: Proceedings of 7th symposium on biotechnology for fuels and chemicals. New York : Wiley, 1985. Biotechnology and bioengineering symposium ; no. 15: pages 149-166.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (156 KB)

    Description

    This research examined four factors on the fermentation of xylose by Candida shehatae, and the following conclusions were reached: (1) A minimal medium is effective for producing ethanol. (2) Peptone and casamino acids stimulate ethanol production. (3) Aeration is important in obtaining good ethanol production rates and yields. (4) The maximal rate of ethanol production is attained around pH 3.2-3.4. Under the best conditions employed, C. shehatae ATCC 22984 produced up to 4% (w/v) ethanol from 20% xylose in four days. With 9% xylose, ethanol yields approximating 0.4 g/g xylose were obtained.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Jeffries, T. W. 1985. Effects of culture conditions on the fermentation of xylose to ethanol by Candida shehatae. Proceedings of 7th symposium on biotechnology for fuels and chemicals. New York : Wiley, 1985. Biotechnology and bioengineering symposium ; no. 15: pages 149-166.

    Keywords

    Nitrogen, pH, aeration, sugar concentration, peptone, casamino, fermentation, xylose, ethanol, aeration

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