Article

Biotechnology Letters

, Volume 18, Issue 11, pp 1351-1356

First online:

Production of fuel alcohol by Saccharomyces strains from tropical habitats

  • Morais P. B. Affiliated withDepartamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais
  • , Rosa C. A. Affiliated withDepartamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais
  • , Linardi V. R. Affiliated withDepartamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais
  • , Carazza F. Affiliated withDepartamento de Química, Instituto de Ciências Exatas, UFMG
  • , Nonato E. A. Affiliated withDepartamento de Química, Instituto de Ciências Exatas, UFMG

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Summary

Strains of Saccharomyces spp. from tropical substrates tolerated temperatures up to 40 ° C, sucrose concentrations up to 50% (w/v) and ethanol concentrations up to 20 g/L in fermentation conditions. Strain TD200 tolerated 20 g/l of ethanol. The ethanol produced by strain DR1459 was comparable to that of industrial strain HTYM-81. These strains have potential use for the production of fuel alcohol.