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Biostimulant potential of Scenedesmus obliquus grown in brewery wastewater

2020Journal article Open access
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dc.contributor.authorNavarro-Lopez, Elvira
dc.contributor.authorRuiz-Nieto, Angela
dc.contributor.authorFerreira, Alice
dc.contributor.authorAcien, Gabriel
dc.contributor.authorGouveia, Luisa
dc.date.accessioned2020-09-22T15:47:05Z
dc.date.available2020-09-22T15:47:05Z
dc.date.issued2020
dc.description.abstractABSTRACT: Microalgae are microorganisms with the capacity to contribute to the sustainable and healthy food production, in addition to wastewater treatment. The subject of this work was to determine the potential of Scenedesmus obliquus microalga grown in brewery wastewater to act as a plant biostimulant. The germination index of watercress seeds, as well as the auxin-like activity in mung bean and cucumber, and in the cytokinin-like activity in cucumber bioassays were used to evaluate the biostimulant potential. Several biomass processes were studied, such as centrifugation, ultrasonication and enzymatic hydrolysis, as well as the final concentration of microalgal extracts to determine their influence in the biostimulant activity of the Scenedesmus biomass. The results showed an increase of 40% on the germination index when using the biomass at 0.1 g/L, without any pre-treatment. For auxin-like activity, the best results (up to 60% with respect to control) were obtained at 0.5 g/L of biomass extract, after a combination of cell disruption, enzymatic hydrolysis and centrifugation. For cytokinin-like activity, the best results (up to 187.5% with respect to control) were achieved without cell disruption, after enzymatic hydrolysis and centrifugation at a biomass extract concentration of 2 g/L.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationNavarro-López, Elvira... [et.al.] - Biostimulant potential of Scenedesmus obliquus grown in brewery wastewater. In: Molecules, 2020, Vol.25 (3), article nº 664pt_PT
dc.identifier.doi10.3390/molecules25030664pt_PT
dc.identifier.eissn1420-3049
dc.identifier.urihttp://hdl.handle.net/10400.9/3310
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationEuropean Union (EU) - Grant Number 727874pt_PT
dc.relationPOCI-01-0247-FEDER-035234pt_PT
dc.relationLISBOA-01-0247-FEDER-035234pt_PT
dc.relationALG-01-0247-FEDER-035234pt_PT
dc.relationALG-05-3559-FSE-000010pt_PT
dc.relationDevelopment of agricultural bioproducts biofertilizers, biostimulants and biopesticides from piggery wastewater treatment-based microalgae
dc.relationProcessing of brewery wastes with microalgae for producing valuable compounds
dc.relation.publisherversionhttps://doi.org/10.3390/molecules25030664pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMicroalgaept_PT
dc.subjectScenedesmus obliquuspt_PT
dc.subjectWastewater treatmentpt_PT
dc.titleBiostimulant potential of Scenedesmus obliquus grown in brewery wastewaterpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleDevelopment of agricultural bioproducts biofertilizers, biostimulants and biopesticides from piggery wastewater treatment-based microalgae
oaire.awardTitleProcessing of brewery wastes with microalgae for producing valuable compounds
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F144122%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/ERANETLAC%2F0001%2F2014/PT
oaire.citation.issue3pt_PT
oaire.citation.titleMoleculespt_PT
oaire.citation.volume25pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameFerreira
person.familyNameAcien Fernandez
person.familyNameGouveia
person.givenNameAlice
person.givenNameF. Gabriel
person.givenNameLuisa
person.identifierH-4046-2011
person.identifier.ciencia-idD115-8FF3-9097
person.identifier.ciencia-idAD1A-3599-9E98
person.identifier.ciencia-id581B-924A-84DD
person.identifier.orcid0000-0002-2397-3943
person.identifier.orcid0000-0002-8434-0365
person.identifier.orcid0000-0003-0196-6360
person.identifier.ridH-1894-2015
person.identifier.scopus-author-id55385950700
person.identifier.scopus-author-id7004135834
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
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication321b3ee5-1753-4064-b2ad-250913f9812f
relation.isAuthorOfPublication63dcbe08-14df-4886-98b7-2945cbe0e062
relation.isAuthorOfPublication.latestForDiscoveryd0b70ea9-bb53-452c-ab86-b4bf8aee0249
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