Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/1504

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dc.contributor.authorBrányik, Tomáš-
dc.contributor.authorVicente, A. A.-
dc.contributor.authorCruz, José Machado-
dc.contributor.authorTeixeira, J. A.-
dc.date.accessioned2005-05-09T16:42:16Z-
dc.date.available2005-05-09T16:42:16Z-
dc.date.issued2002-
dc.identifier.citation“Journal of the Institute of Brewing”. ISSN 0046-9750. 108:4 (2002) 410-415.eng
dc.identifier.issn0046-9750por
dc.identifier.urihttp://hdl.handle.net/1822/1504-
dc.description.abstractThis work demonstrated the technological feasibility of the three-phase airlift bioreactor (ALR) with brewing yeast immobilized on spent grains (a brewing by-product) for continuous beer production. The optimum fermentation performance of the one stage immobilized cell bioreactor was achieved at residence times between 18–25 h (dilution rate 0.04–0.055 hˉ¹) and was characterized by an apparent degree of attenuation in the range of 70–80%. The productivity of the system in terms of ethanol concentration in green beer (ca. 4.2%) was satisfactory. Although the diacetyl concentration in the young beer was high (0.32 mg Lˉ¹ at D = 0.04 hˉ¹) it is speculated that the level could be reduced by cell growth control, aeration and temperature optimisation. The immobilized yeast fermentation in the ALR was shown to be robust in recovery after process upsets.eng
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (FCT) - SFRH/BPD/3541/2000.por
dc.language.isoengeng
dc.publisherInstitute of Brewing & Distillingeng
dc.relation.ispartofseries2002;03eng
dc.rightsopenAccesseng
dc.subjectBeereng
dc.subjectContinuouseng
dc.subjectImmobilizedeng
dc.subjectFermentationeng
dc.subjectSpent grainseng
dc.subjectYeasteng
dc.titleContinuous primary beer fermentation with brewing yeast immobilized on spent grainseng
dc.typearticleeng
dc.peerreviewedyeseng
oaire.citationStartPage410por
oaire.citationEndPage415por
oaire.citationIssue4por
oaire.citationVolume108por
dc.identifier.doi10.1002/j.2050-0416.2002.tb00569.xpor
dc.subject.wosScience & Technologypor
sdum.journalJournal of the Institute of Brewingpor
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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