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Evaluation of two Portuguese strains of Botryococcus braunii as biofuel feedstock

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dc.contributor.authorTavares, João
dc.contributor.authorPardal, Tiago
dc.contributor.authorMelo, Ricardo
dc.date.accessioned2019-05-22T13:56:07Z
dc.date.available2019-05-22T13:56:07Z
dc.date.issued2017
dc.description.abstractACOI 58 and ACOI 1257, two different Portuguese strains of colonial green microalga Botryococcus bruanii Kutz obtained from Coimbra Collection of Algae (ACOI), were evaluated on their potential for biofuel production, which was assessed from batch culture in photobioreactors under indoors and outdoors conditions using pretreated waste water and semisynthetic culture media. In the experiments, the maximum specific growth rate achieved was 0.4 day-1 with doubling times ranging from 2 to 7 days in the fastest growing phase. However, both strains showed ability to absorb nutrients in waste water cultures, to grow and accumulate oil. The maximum lipid extraction on a dry matter basis was 36% in CHU media and 29% in waste water cultures, which revealed the promising potential of these B. braunii isolates to be used in biofuel production applications. This is also supported by the predominance of oleic (C18:1, 42 to 63%) and palmitic acid (C16:0, 8 to 18%) in the lipid extract, since the methyl esters of these fatty acids (FAME) are ideal for biodiesel production. In summary, although these strains of B. braunii have presented a typical growth for this species, they produced considerable lipid content and were able to grow in waste water and under outdoors conditions that warrants further investment in their study.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.5897/IJBMBR2017.0274pt_PT
dc.identifier.issn2141-2154
dc.identifier.urihttp://hdl.handle.net/10451/38365
dc.language.isoengpt_PT
dc.subjectMicroalgapt_PT
dc.subjectBotryococcus brauniipt_PT
dc.subjectwastewaterpt_PT
dc.subjectphotobioreactorspt_PT
dc.subjectbiofuelspt_PT
dc.titleEvaluation of two Portuguese strains of Botryococcus braunii as biofuel feedstockpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage29pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage20pt_PT
oaire.citation.titleInternational Journal of Biotechnology and Molecular Biology Researchpt_PT
oaire.citation.volume8pt_PT
person.familyNameMelo
person.givenNameRicardo
person.identifier210023
person.identifier.ciencia-idA411-41CD-3161
person.identifier.orcid0000-0001-6995-2630
person.identifier.ridB-1391-2012
person.identifier.scopus-author-id7007027493
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication9b44e90e-66d9-47df-8ceb-4ab2da6abd37
relation.isAuthorOfPublication.latestForDiscovery9b44e90e-66d9-47df-8ceb-4ab2da6abd37

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