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Título : | Variable flocculation profiles of yeast strains isolated from cachaça distilleries. |
Autor : | Alvarez, Florencia Correa, Lygia Fátima da Mata Araújo, Thalita Macedo Mota, Bruno Eduardo Fernandes Conceição, Luís Eduardo Fernandes Rodrigues da Castro, Ieso de Miranda Brandão, Rogélio Lopes |
Palabras clave : | Saccharomyces cerevisiae |
Fecha de publicación : | 2014 |
Citación : | ALVAREZ, F. et al. Variable flocculation profiles of yeast strains isolated from cachaça distilleries. International Journal of Food Microbiology, v. 190, p. 97-104, 2014. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0168160514004280>. Acesso em: 15 out. 2015. |
Resumen : | In cachaça production, the use of yeast cells as starters with predictable flocculation behavior facilitates the cell recovery at the end of each fermentation cycle. Therefore, the aim of this work was to explain the behavior of cachaça yeast strains in fermentation vats containing sugarcane through the determination of biochemical and molecular parameters associated with flocculation phenotypes. By analyzing thirteen cachaça yeast strains isolated from different distilleries, our results demonstrated that neither classic biochemical measurements (e.g., percentage of flocculation, EDTA sensitivity, cell surface hydrophobicity, and sugar residues on the cell wall) nor modern molecular approaches, such as polymerase chain reaction (PCR) and real-time PCR (q-PCR), were sufficient to distinctly classify the cachaça yeast strains according to their flocculation behavior. It seems that flocculation is indeed a strain-specific phenomenon that is difficult to explain and/or categorize by the available methodologies |
URI : | http://www.repositorio.ufop.br/handle/123456789/5999 |
metadata.dc.identifier.doi: | https://doi.org/10.1016/j.ijfoodmicro.2014.08.024 |
ISSN : | 0168-1605 |
metadata.dc.rights.license: | O periódico International Journal of Food Microbiology concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3732420669488. |
Aparece en las colecciones: | DEFAR - Artigos publicados em periódicos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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ARTIGO_VariablesFloculationProfiles.pdf | 539,44 kB | Adobe PDF | Visualizar/Abrir |
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