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Development of an organic culture medium for autotrophic production of chlorella vulgaris biomass

2020Journal article Open access
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dc.contributor.authorMachado, Adriana
dc.contributor.authorPereira, Hugo
dc.contributor.authorCosta, Margarida
dc.contributor.authorSantos, Tamara
dc.contributor.authorCarvalho, Bernardo
dc.contributor.authorSoares, Maria
dc.contributor.authorQuelhas, Pedro
dc.contributor.authorSilva, Joana T.
dc.contributor.authorTrovão, Mafalda
dc.contributor.authorBarros, Ana
dc.contributor.authorVarela, João
dc.contributor.authorVicente, António A.
dc.contributor.authorSilva, Joana
dc.date.accessioned2020-05-22T13:01:59Z
dc.date.available2020-05-22T13:01:59Z
dc.date.issued2020
dc.description.abstractMicroalgal biomass has gained increasing attention in the last decade for various biotechnological applications, including human nutrition. Certified organic products are currently a growing niche market in which the food industry has shown great interest. In this context, this work aimed at developing a certified organic culture medium for the production of autotrophic Chlorella vulgaris biomass. A preliminary assay in 2 L bubble column photobioreactors was performed in order to screen di erent commercial organic substrates (OS) at a normalized concentration of N (2 mmol L􀀀1). The highest growth performance was obtained using EcoMix4 and Bioscape which showed similar biomass concentrations compared to the synthetic culture medium (control). In order to meet the nutrient needs of Chlorella, both OS underwent elemental analyses to assess their nutrient composition. The laboratory findings allowed the development of a final organic culture medium using a proportion of Bioscape/EcoMix4 (1:1.2, m/m). This organic culture medium was later validated outdoors in 125 L flat panel and 10 m3 tubular flow through photobioreactors. The results obtained revealed that the developed organic medium led to similar microalgal growth performance and biochemical composition of produced biomass, as compared to the traditional synthetic medium. Overall, the formulated organic medium was e ective for the autotrophic production of organic C. vulgaris biomass.pt_PT
dc.description.sponsorshipPortugal 2020 program (grant agreement nº POCI-01-0247-FEDER-035234; LISBOA-01-0247-FEDER-035234; ALG-01-0247-FEDER-035234); FCT: UIDB/04326/2020pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/app10062156pt_PT
dc.identifier.issn2076-3417
dc.identifier.urihttp://hdl.handle.net/10400.1/13928
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCertified organic biomasspt_PT
dc.subjectBiochemical compositionpt_PT
dc.subjectChlorella vulgarispt_PT
dc.subjectBiochemical compositionpt_PT
dc.subjectPhotobioreactorspt_PT
dc.subjectScale-uppt_PT
dc.titleDevelopment of an organic culture medium for autotrophic production of chlorella vulgaris biomasspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue6pt_PT
oaire.citation.startPage2156pt_PT
oaire.citation.titleApplied Sciencespt_PT
oaire.citation.volume10pt_PT
person.familyNamePereira
person.familyNameSantos
person.familyNameVarela
person.givenNameHugo
person.givenNameTamara
person.givenNameJoão
person.identifier282781
person.identifier.ciencia-id331E-84FD-2F34
person.identifier.orcid0000-0002-1369-2099
person.identifier.orcid0000-0001-9008-4436
person.identifier.orcid0000-0003-3101-693X
person.identifier.ridE-9360-2015
person.identifier.ridM-4223-2013
person.identifier.scopus-author-id54080259900
person.identifier.scopus-author-id55741416000
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationebcb2180-5235-4502-b562-cd1e7786e6f9
relation.isAuthorOfPublication6011d40b-5657-4f76-8bb5-37f359562a11
relation.isAuthorOfPublicationd339a9e7-bc32-49c4-ba48-a17343d40092
relation.isAuthorOfPublication.latestForDiscoveryebcb2180-5235-4502-b562-cd1e7786e6f9

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