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Nutritional and chemical study of strawberries and raspberries grown in the north of Portugal

2021Conference object Open access
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dc.contributor.authorMolina, Adriana K.
dc.contributor.authorPalmeira, Luís
dc.contributor.authorPereira, Carla
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorBarros, Lillian
dc.date.accessioned2022-01-24T16:33:13Z
dc.date.available2022-01-24T16:33:13Z
dc.date.issued2021
dc.description.abstractRed fruits such as strawberries and raspberries are worldwide consumed for their flavor and well-known beneficial effects in Human health. These fruits are called superfoods for their high content of phenolic compounds, fiber, iron, and vitamin C, among others, which confer them anti-inflammatory, antioxidant, antibacterial, depurative, and diuretic properties. For these reasons, is it is of great importance the study of different varieties of these red fruits in order to highlight their beneficial properties and encourage their consumption [1,2]. In this study, 'Portola' strawberry and 'Kweli' raspberry fruits were analyzed in terms of nutritional value, following AOAC procedures. The chemical composition was also assessed in what concerns sugars, by HPLC-RI, and fatty acids, by GC-FID. Their hydroethanolic extracts (ethanol:water 80:20, v/v) were also assessed regarding their antioxidant properties, namely the lipid peroxidation inhibition capacity (TBARS assay) and anti-hemolytic activity (OxHLIA assay). In terms of nutritional value, carbohydrates were the main macronutrients found in the two fruits, with raspberries presenting almost 2-fold higher concentration than strawberries, thus also generating a higher energy value. Regarding the composition in free sugars, fructose and glucose were detected, with predominance of fructose. Also, 21 fatty acids were identified in raspberries and 22 fatty acids in strawberries, with linoleic acid being the most abundant in both fruits. As expected, considering their chemical composition, both fruits presented a strong antioxidant capacity, being able to inhibit lipid peroxidation (TBARS) and oxidative hemolysis (OxHLIA). The results obtained in the present study provide information on the nutritional and chemical composition of 'Kweli' raspberry and 'Portola' strawberry fruits, as well as their antioxidant activity, corroborating the importance of their inclusion in the diet as health promoters.pt_PT
dc.description.sponsorshipThe 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). National funding by FCT, P.I., through the institutional scientific employment program-contract for C. Pereira and L. Barros contracts and A.K. Molina PhD grant (2020.06231.BD). To the European Regional Development Fund (ERDF) through the Regional Operational Program North 2020, within the scope of Project GreenHealth – Norte-01-0145-FEDER-000042pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMolina, Adriana K.; Palmeira, Luis; Pereira, Carla; Ferreira, Isabel C.F.R.; Barros, Lillian (2021). Nutritional and chemical study of strawberries and raspberries grown in the north of Portugal. In 5th International Symposium on Phytochemicals in Medicine and Food. Nanchang, Chinapt_PT
dc.identifier.urihttp://hdl.handle.net/10198/24895
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationMountain Research Center
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectRed fruitspt_PT
dc.subjectStrawberriespt_PT
dc.subjectRaspberriespt_PT
dc.titleNutritional and chemical study of strawberries and raspberries grown in the north of Portugalpt_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.conferencePlaceOn-linept_PT
oaire.citation.title5th International Symposium on Phytochemicals in Medicine and Foodpt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMolina
person.familyNamePalmeira
person.familyNamePereira
person.familyNameFerreira
person.familyNameBarros
person.givenNameAdriana K.
person.givenNameLuís
person.givenNameCarla
person.givenNameIsabel C.F.R.
person.givenNameLillian
person.identifier1415151
person.identifier144781
person.identifier469085
person.identifier.ciencia-idC110-0167-E58D
person.identifier.ciencia-idFE12-0309-F7C9
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person.identifier.ciencia-id9418-CF95-9919
person.identifier.ciencia-id9616-35CB-D001
person.identifier.orcid0000-0002-6234-2212
person.identifier.orcid0000-0003-3698-5641
person.identifier.orcid0000-0003-0093-771X
person.identifier.orcid0000-0003-4910-4882
person.identifier.orcid0000-0002-9050-5189
person.identifier.ridK-1629-2016
person.identifier.ridE-8500-2013
person.identifier.ridJ-3600-2013
person.identifier.scopus-author-id55627876424
person.identifier.scopus-author-id36868826600
person.identifier.scopus-author-id35236343600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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