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Red Algae as a source of nutrients with antioxidant potential

2021Conference object Open access
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dc.contributor.authorCarpena Rodríguez, María
dc.contributor.authorCaleja, Cristina
dc.contributor.authorPereira, Eliana
dc.contributor.authorGarcía-Oliveira, Paula
dc.contributor.authorPereira, Carla
dc.contributor.authorPrieto Lage, Miguel A.
dc.contributor.authorNúñez Estévez, Bernabé
dc.contributor.authorChamorro Rivo, Franklin Noel
dc.contributor.authorSimal-Gandara, Jesus
dc.contributor.authorBarros, Lillian
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2022-02-04T16:07:23Z
dc.date.available2022-02-04T16:07:23Z
dc.date.issued2021
dc.description.abstractSeaweeds have been consumed since ancient times in different cultures, especially in Asian regions [1]. Currently, there are several scientific studies that, in addition to highlighting the nutritional content of seaweeds, also highlight their bioactive properties, normally associated with the presence of different compounds, namely phenolic compounds [2]. These factors may justify the growing demand and interest of consumers to include algae in their daily diet [3]. The present work aimed to determine the nutritional composition (ash, protein, fat, and carbohydrate content and energy value), the organic acids content and the antioxidant activity of three typical red algae from Galicia: Chondrus crispus, Mastocarpus stellatus, and Gigartina pistillata. The nutritional profile was evaluated using official analysis methods (AOAC), while organic acids were determined by UPFLC-PDA. The antioxidant activity was assessed using two in vitro assays: inhibition of lipid peroxidation through the formation of reactive substances of thiobarbituric acid (TBARS) and inhibition of oxidative hemolysis (OxHLIA). The results obtained showed a similar nutritional composition among the three algae analyzed, where it was found a low-fat content and a high content of proteins, carbohydrates, and energy. Malic acid was the major organic acid in all the studied algae, with M. stellatus revealing the highest total organic acids content. Finally, the in vitro assays showed the excellent antioxidant capacity of the three algae, in particular M. stellatus, which demonstrated the lowest EC50 value in the OxLHIA test (1.0 ± 0.1 μg/mL) and, therefore, the highest antioxidant activity. Thus, this study confirms the potential of red algae to be part of the human diet as a source of non-animal protein, due to its interesting nutritional content and due to their bioactive properties, acting as antioxidants. In addition, this study justifies the growing interest on using these algae in the development of new products in food and pharmaceutical industry.pt_PT
dc.description.sponsorshipTo MICINN supporting the Ramón&Cajal grant for M.A. Prieto (RYC-2017-22891); by Xunta de Galicia supporting supporting the Axudas Conecta Peme, the IN852A 2018/58 NeuroFood Project and the program EXCELENCIA-ED431F 2020/12 that supports the work of F. Chamorro and the pre-doctoral grant for of P. García-Oliveira (ED481A-2019/295); by University of Vigo for supporting the predoctoral grant of M. Carpena (Uvigo-00VI 131H 6410211); by Ibero-American Program on Science and Technology (CYTED - AQUA-CIBUS, P317RT0003); by EcoChestnut Project (Erasmus+ KA202) that supports the work of B. Nuñez-Estevez and by UP4HEALTH Project (H2020-BBI-JTI-2019). The authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES to CIMO (UIDB/00690/2020) for L. Barros and C. Pereira’s contract though the celebration of program-contract foreseen in No. 4, 5 and 6 of article 23º of Decree-Law No. 57/2016, of 29th August, amended by Law No. 57/2017, of 19th July; research contract of C. Caleja (Project AllNatt, POCI- 01-0145-FEDER-030463); to the Project Mobilizador Norte-01-0247-FEDER-024479: ValorNatural® for the contract of E. Pereira and to FEDER-Interreg España-Portugal programme for financial support through the project TRANSCoLAB 0612_TRANS_CO_LAB_2_P.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCarpena Rodríguez, María; Caleja, Cristina; Pereira, Eliana; García-Oliveira, Paula; Pereira, Carla; Prieto Lage, Miguel A.; Nuñez-Estevez, Barnabe; Chamorro, Franklin; Simal-Gandara, Jesus; Barros, Lillian; Ferreira, Isabel C.F.R. (2021). Red Algae as a source of nutrients with antioxidant potential. In 7th Portuguese Young Chemistry Meeting. ISBN 978-989-8124-31-0pt_PT
dc.identifier.isbn978-989-8124-31-0
dc.identifier.urihttp://hdl.handle.net/10198/25017
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationMountain Research Center
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectRed algaept_PT
dc.titleRed Algae as a source of nutrients with antioxidant potentialpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.citation.conferencePlaceonline editionpt_PT
oaire.citation.title7th Portuguese Young Chemists Meetingpt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameCaleja
person.familyNamePereira
person.familyNameGarcía-Oliveira
person.familyNamePereira
person.familyNamePrieto Lage
person.familyNameNúñez Estévez
person.familyNameBarros
person.familyNameFerreira
person.givenNameCristina
person.givenNameEliana
person.givenNamePaula
person.givenNameCarla
person.givenNameMiguel A.
person.givenNameBernabé
person.givenNameLillian
person.givenNameIsabel C.F.R.
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person.identifier.ridQ-8017-2018
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
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