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Effects of the seasonal variation in the phytochemical composition and bioactivities of the wild halophyte Suaeda fruticosa

2022Journal article Open access
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dc.contributor.authorTeixeira, José Eduardo
dc.contributor.authorBragada, José A.
dc.contributor.authorMandim, Filipa
dc.contributor.authorCalhelha, Ricardo C.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorAchour, Lotfi
dc.contributor.authorKacem, Adnen
dc.contributor.authorDias, Maria Inês
dc.contributor.authorBarros, Lillian
dc.date.accessioned2022-04-04T09:42:00Z
dc.date.available2022-04-04T09:42:00Z
dc.date.issued2022
dc.description.abstractSuaeda fruticosa is an edible medicinal species belonging to the Amaranthaceae (Chenopodiaceae) family widely distributed in the Mediterranean regions, especially in Tunisia. This species shoots change their colour from green to red-violet along the different seasons, being an interesting matrix to study for its chemical composition. Therefore, in a ground-breaking study, the hydromethanolic extracts of green and red-violet Tunisian S. fruticosa shoots were profiled for their individual phenolic compounds and betalains by High Performance Liquid Chromatography coupled with a Diode-Array Detector and Mass Spectrometry by Electrospray Ionization (HPLCDAD/ ESI-MS), and the in vitro antioxidant, antibacterial, and hepatotoxic properties were also assessed. The obtained results revealed that the hydromethanolic extracts contain interesting levels of phenolic compounds especially O-glycosylated and acylated flavonoids, while betacyanins were the main betalain compounds found. As expected, red-violet shoots were richer in phenolic compounds (45.5 ± 0.2 mg/g extract) and betalains (33.3 ± 0.2 mg/g extract) than greener shoots. Flavonoid/betalains rich extracts presented lower EC50 values for ABTS+, DPPH, and TBARS; as also lower MIC values against Gram-positive bacteria. This study showed that the wild halophyte growing in a hard environment, were drought and salinity are dominant, is an important source of flavonoids and betanin, important molecules that can find application in different industries, given the constant demands for natural bioactives and colouring compounds. Overall, these natural compounds may be valorised and further investigated to validate their potential as functional ingredients.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationTeixeira, José Eduardo; Bragada, José A.; Mandim, Filipa; Calhelha, Ricardo C.; Ferreira, Isabel C.F.R.; Achour, Lotfi; Kacem, Adnen; Dias, Maria Inês; Barros, Lillian. (2022). Effects of the seasonal variation in the phytochemical composition and bioactivities of the wild halophyte Suaeda fruticose. Food Bioscience. ISSN 22124292. 50, p. 1-7pt_PT
dc.identifier.issn22124292
dc.identifier.urihttp://hdl.handle.net/10198/25317
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectHalophytept_PT
dc.subjectSuaeda fruticosapt_PT
dc.subjectHPLC-DAD/ESI-MSpt_PT
dc.subjectO-glycosylated and acylated flavonoidspt_PT
dc.subjectBetalainspt_PT
dc.subjectBioactivities
dc.titleEffects of the seasonal variation in the phytochemical composition and bioactivities of the wild halophyte Suaeda fruticosapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleFood Biosciencept_PT
person.familyNameTeixeira
person.familyNameBragada
person.familyNameMandim
person.familyNameCalhelha
person.familyNameFerreira
person.familyNameDias
person.familyNameBarros
person.givenNameJosé Eduardo
person.givenNameJosé A.
person.givenNameFilipa
person.givenNameRicardo C.
person.givenNameIsabel C.F.R.
person.givenNameMaria Inês
person.givenNameLillian
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person.identifier.ridJ-2172-2014
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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