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Influence of cultivation conditions on the bioenergy potential and bio-compounds of Chlorella vulgaris

2020Journal article Open access
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dc.contributor.authorCaetano, Nídia
dc.contributor.authorMelo, A.R.
dc.contributor.authorGorgich, M.
dc.contributor.authorBranco-Vieira, M.
dc.contributor.authorMartins, A.A.
dc.contributor.authorMata, T.M.
dc.date.accessioned2021-03-01T17:13:47Z
dc.date.available2021-03-01T17:13:47Z
dc.date.issued2020
dc.description.abstractThis study aims to evaluate the influence of cultivation conditions on the bioenergy and high value biocompounds contents of Chlorella vulgaris. Results show that the use of nitrate rich media, from 170.7 mg/L, favors a faster biomass growth, reaching values above 800 mg/L biomass. In addition, it favors higher pigments concentrations with more emphasis for the cultures with a nitrate concentration of 569 mg/L, where chlorophyll-a and carotenoids reached maximum concentrations of 6 and 2 mg/L, respectively. As regards the lipid content, nitrate deprivation (<28.4 mg/L) favors the accumulation of lipid content by microalgae (around 42%). The use of media with lower iron concentrations (0.5 mg/L) was favorable for obtaining biomass with higher concentrations of chlorophyll-a, at an initial stage, with values varying from 0.2 to 0.6 mg/L. In the tests carried out under mixotrophic conditions (addition of glucose), it was observed that contamination occurred in all the cultures, possibly due to the high concentration of carbon source that had values between 0.5 and 1.5 g/L of glucose, and consequently, growth decreased.pt_PT
dc.description.sponsorshipAuthors thank the financial support of the project IF/01093/2014/CP1249/CT0003 and research grants IF/01093/2014 and SFRH/BPD/112003/2015 funded by national funds through FCT/MCTES, and project UID/EQU/00305/2013 – Center for Innovation in Engineering and Industrial Technology – CIETI. This work was financially supported by: project UID/EQU/00511/2019 – Laboratory for Process Engineering, Environment, Biotechnology and Energy – LEPABE funded by national funds through FCT/MCTES (PIDDAC); Project POCI-01-0145-FEDER-006939 (Laboratory for Process Engineering, Environment, Biotechnology and Energy — LEPABE, UID/EQU/00511/2013) funded by FEDER through COMPETE2020-POCI and by national funds through FCT; Project “LEPABE-2-ECO-INNOVATION” — NORTE-01-0145-FEDER-000005, funded by Norte Portugal Regional Operational Programme (NORTE 2020), under PORTUGAL 2020 Partnership Agreement, through the European Regional Development Fund (ERDF).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.egyr.2019.08.076pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.22/17214
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relationIF/01093/2014pt_PT
dc.relationUID/EQU/00305/2013pt_PT
dc.relationRenewable Energy Storage Systems Based on Chemical Compounds: Sustainability Evaluation and Integration with Other Systems
dc.relationNORTE-01-0145-FEDER-000005pt_PT
dc.relationLaboratory for Process Engineering, Environment, Biotechnology and Energy
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S2352484719305992#!pt_PT
dc.subjectBiomasspt_PT
dc.subjectChlorella vulgarispt_PT
dc.subjectChlorophyll-apt_PT
dc.subjectLipidspt_PT
dc.subjectNutritional stresspt_PT
dc.subjectPigmentspt_PT
dc.titleInfluence of cultivation conditions on the bioenergy potential and bio-compounds of Chlorella vulgarispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleRenewable Energy Storage Systems Based on Chemical Compounds: Sustainability Evaluation and Integration with Other Systems
oaire.awardTitleLaboratory for Process Engineering, Environment, Biotechnology and Energy
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Investigador FCT/IF%2F01093%2F2014%2FCP1249%2FCT0003/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/FARH/SFRH%2FBPD%2F112003%2F2015/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FEQU%2F00511%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FEQU%2F00511%2F2013/PT
oaire.citation.endPage384pt_PT
oaire.citation.startPage378pt_PT
oaire.citation.titleEnergy Reportspt_PT
oaire.citation.volume6pt_PT
oaire.fundingStreamInvestigador FCT
oaire.fundingStreamFARH
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream5876
person.familyNameCaetano
person.givenNameNídia
person.identifierR-000-DJC
person.identifier.ciencia-id1F1D-73E2-BFBF
person.identifier.orcid0000-0002-2185-6401
person.identifier.ridI-3934-2012
person.identifier.scopus-author-id55901684900
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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