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Phytochemical profile and biological activities of 'Ora-pro-nobis' leaves (Pereskia aculeata Miller), an underexploited superfood from the Brazilian Atlantic Forest

2019Journal article Open access
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dc.contributor.authorGarcia, Jéssica A.A.
dc.contributor.authorCorrêa, Rúbia C.G.
dc.contributor.authorBarros, Lillian
dc.contributor.authorPereira, Carla
dc.contributor.authorAbreu, Rui M.V.
dc.contributor.authorAlves, Maria José
dc.contributor.authorCalhelha, Ricardo C.
dc.contributor.authorBracht, Adelar
dc.contributor.authorPeralta, Rosane M.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-01-06T14:09:41Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-01-06T14:09:41Z
dc.date.issued2019
dc.description.abstractPereskia aculeata Miller, known worldwide as ora-pro-nobis, is a highly nutritive species of the Cactaceae family from the Brazilian Atlantic Forest. In this work, we report inedited information on the phenolic profile of P. aculeata leaves, besides a broad study of their antioxidant potential using a set of five different methods. A total of ten phenolic compounds were identified, such as two phenolic acids (caffeic acid derivatives) and eight flavonoids (quercetin, kaempferol and isorhamnetin glycoside derivatives). Caftaric acid was the extract’s major phenolic constituent, accounting for more than 49% of the phenolic content, followed by quercetin-3-O-rutinoside (14.99%) and isorhamnetin-O-pentoside-O-rutinoside (9.56%). Overall, the ora-pro-nobis leaf extract showed relevant values of antioxidant capacity, with higher activities than the Trolox in the DPPH and ABTS trials. The antimicrobial activity exhibited by the extract against both Gram-positive and Gram-negative bacteria suggests the presence of a broad spectrum of phytochemicals with antibiotic activity.
dc.description.sponsorshipJ.A.A. Garcia thanks Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) for the financial support provided for her masters studies in the State University of Maringá. R.C.G. Corrêa thanks Conselho Nacional de Desenvolvimento Científico e Tecnologia (CNPq) for financing her postdoctoral research at State University of Maringá (Process number 167378/2017-1). R.M. Peralta (Project number 307944/2015-8) and A. Bracht (Project number 304090/2016-6) are CNPq research grant recipients. The authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financial support to CIMO (UID/AGR/ 00690/2019), L. Barros, R. C. Calhelha and C. Pereirás contracts; to FEDER-Interreg España-Portugal programme for financial support through the project 0377_Iberphenol_6_E; the European Regional Development Fund (ERDF) through the Regional Operational Program North 2020, within the scope of Project NORTE-01-0145-FEDER- 023289: DeCodE and project Mobilizador.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationGarcia, Jéssica A.A.; Corrêa, Rúbia C.G.; Barros, Lillian; Pereira, Carla; Abreu, Rui M.V.; Alves, Maria José; Calhelha, Ricardo C.; Bracht, Adelar; Peralta, Rosane M.; Ferreira, Isabel C.F.R. (2019). Phytochemical profile and biological activities of 'Ora-pro-nobis' leaves (Pereskia aculeata Miller), an underexploited superfood from the Brazilian Atlantic Forest. Food Chemistry. ISSN 0308-8146. 294, p. 302-308en_EN
dc.identifier.doi10.1016/j.foodchem.2019.05.074en_EN
dc.identifier.issn0308-8146
dc.identifier.urihttp://hdl.handle.net/10198/20243
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectAntioxidant potentialen_EN
dc.subjectCaftaric aciden_EN
dc.subjectCell-based assaysen_EN
dc.subjectHydroethanolic leaf extracten_EN
dc.subjectPereskia aculeateen_EN
dc.subjectPhenolic compositionen_EN
dc.titlePhytochemical profile and biological activities of 'Ora-pro-nobis' leaves (Pereskia aculeata Miller), an underexploited superfood from the Brazilian Atlantic Foresten_EN
dc.typejournal article
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person.givenNameRui M.V.
person.givenNameMaria José
person.givenNameRicardo C.
person.givenNameIsabel C.F.R.
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rcaap.rightsopenAccessen_EN
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