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Publication Information

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Title: Effects of culture conditions on the fermentation of xylose to ethanol by Candida shehatae

Author: Jeffries, T. W.;

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

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.

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

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.

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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.

 


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