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|Título:||Characterization of phenolic compounds of OMW: toxicity and degradability by yeasts|
Ferreira, João P.
Peres, António M.
Cardoso, Susana M.
|Editora:||Universidade do Minho, Ordem dos Engenheiros, Institute for Biotechnology and Bioengeneering|
|Citação:||Gonçalves, Cristiana; Ferreira, João P.; Lopes, Marlene; Falcão, Soraia; Peres, António M.; Cardoso, Susana M.; Belo, Isabel (2008) - Characterization of phenolic compounds of OMW: toxicity and degrability by yeasts. In 10th International Chemical and Biological Engineering Conference. Braga. p. 2121-2126. ISBN 978-972-97810-3-2|
|Resumo:||The characterization of Olive Mill Wastewaters (OMW), focusing the phenolic compounds, is one of the aims of the present work. As a first approach to characterize the phenolic compounds of OMW, the extraction methods used were: a liquid-liquid extraction by acidified ethyl acetate and a solid-liquid extraction with acidified methanol. The analysis of these extracts by reversed phase liquid chromatography confirmed that hydroxytyrosol was the most abundant phenolic compound in OMW, and that this compound was more efficiently recovered by the solid-liquid extraction technique. It was also a goal of this work to study the phenolic compounds toxicity to some yeast strains. Among the phenolic compounds tested catechol is the most inhibitory one to the cells. The phenols degradation was quite difficult, particularly when more easily degradable carbon source is still present in the medium.|
|Aparece nas colecções:||CIMO - Artigos em Proceedings Não Indexados à WoS/Scopus|
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|2008_Actas_ 10th International Chemical and Biolo. Eng.pdf||1,31 MB||Adobe PDF||Ver/Abrir|
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