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Master's Dissertation
DOI
https://doi.org/10.11606/D.11.2010.tde-26112010-100814
Document
Author
Full name
Bruno Miguel dos Santos Monteiro
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 2010
Supervisor
Committee
Alcarde, André Ricardo (President)
Novaes, Fernando Valadares
Valsechi, Octavio Antonio
Title in Portuguese
Composição química de aguardentes de cana-de-açúcar obtidas por fermentação com diferentes  cepas de levedura Saccharomyces cerevisiae
Keywords in Portuguese
Aguardente
Cachaça
Cana-de-açúcar
Composição química
Destilação
Fermentação alcoólica
Leveduras.
Abstract in Portuguese
O objetivo deste trabalho foi estudar os componentes químicos de aguardentes de cana-de-açúcar, fermentadas por diferentes cepas comerciais da levedura Saccharomyces cerevisiae e duplamente destiladas em alambique. Vinhos de mosto de caldo de cana-de-açúcar fermentados pelas leveduras CA-11, Y-904, BG-1, PE-2, SA-1 e CAT-1 foram destilados em alambique seguindo a metodologia utilizada para a produção de whisky. Os destilados, tanto da primeira como da segunda destilação, foram analisados quanto às concentrações de etanol, acidez volátil, aldeídos, ésteres, furfural, álcoois superiores e metanol. As aguardentes provenientes das fermentações com as diferentes cepas de levedura apresentaram diferentes composições químicas. As cepas CA-11 e a CAT-1 foram as que prporcionaram composição química mais adequada para aguardente duplamente destilada em alambique.
Title in English
Chemical composition of sugar cane spirits fermented by different yeast strains of Saccharomyces cerevisiae
Keywords in English
Cachaça.
Distillation
Fermentation
Yeast
Abstract in English
The objective of this was to study the chemical components from sugar cane spirits, fermented by different commercial yeast strains of Saccharomyces cerevisiae and double distilled in pot still. Sugar cane juices were fermented by the yeasts CA-11, Y-904, BG-1, PE-2, SA-1 and CAT-1 and distilled in simple still according to methodology used for Whisky production. Both distillates, from first and second distillation, was analyzed for concentrations of ethanol, volatile acidity, aldehydes, esters, furfural, higher alcohols and methanol. The sugar cane spirits came from the fermentations carried out by the different yeast strains presented different chemical compositions. The sugar cane spirits produced by the strains CA-11 and CAT-1 presented a more desirable chemical composition.
 
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Bruno_Monteiro.pdf (1.06 Mbytes)
Publishing Date
2010-12-13
 
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