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Biochemical Composition of Pumpkin Seeds and Seed By-Products

2024Journal article Open access
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dc.contributor.authorPolyzos, Nikolaos
dc.contributor.authorFernandes, Ângela
dc.contributor.authorCalhelha, Ricardo C.
dc.contributor.authorPetrović, Jovana
dc.contributor.authorSoković, Marina
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorBarros, Lillian
dc.contributor.authorPetropoulos, Spyridon Α.
dc.date.accessioned2024-10-16T09:57:21Z
dc.date.available2024-10-16T09:57:21Z
dc.date.issued2024
dc.description.abstractThe goal of the current work was to assess the nutritional profile and phytochemical properties of cucurbit (Cucurbita maxima L.) seeds, seed oils and oil extraction by-products (e.g., seed-cakes). Our results suggest a high nutritional value for both cucurbit seeds and cucurbit cake, while γ-tocopherol was the richest compound, with traces of α, β and δ-tocopherol compounds also detected. Regarding the free sugars composition, there were recorded significant statistical differences between seeds and cucurbit seed-cake, although sucrose content was the highest for both matrices (1.97 and 2.9 g/100 g dw, respectively) followed by trehalose (0.26 and 0.25 g/100 g dw, respectively), fructose (0.20 and 0.34 g/100 g dw, respectively) and glucose (0.21 and 0.19 g/100 g dw, respectively). In terms of organic acids, oxalic was the only compound detected in seed cake (0.006 g/100 g dw), while in seeds only traces of oxalic and malic acid were detected. In relation to fatty acid composition, linolenic acid was the most abundant compound in both seeds and seed-cake (43.9% and 41.5%, respectively), while oleic acid (37.0% and 36.3%, respectively), palmitic acid (12.2% and 14.0%, respectively) and stearic acid (4.83% and 5.46%, respectively) were detected in lesser amounts. Moreover, polyunsaturated fatty acids (PUFA) were the major fatty acids class (44.5% and 42.3% in seeds and seed cake, respectively) compared to monounsaturated fatty acids (MUFA; 37.4% and 36.7% in seeds and seed cake, respectively) and saturated fatty acids (SFA; 18.1% and 21.0% in seeds and seed cake, respectively) which were detected in lower amounts. Furthermore, the tested extracts did not present any cytotoxic or hepatoxic activity at the maximum tested concentration (GI50 > 400 μg/mL), while seed oils presented satisfactory antimicrobial properties with inhibitory activity against the studied bacterial strains and fungi. Our findings provide valuable knowledge regarding the exploitation of pumpkin seeds and seed by-products as valuable natural sources of nutrients and phytochemicals in the food industry sector within the context of a circular economy.pt_PT
dc.description.sponsorshipThe project is funded by the General Secretariat for Research and Technology of the Ministry of Development and Investments under the PRIMA Programme. PRIMA is an Art.185 initiative supported and co-funded under Horizon 2020, the European Union’s Programme for Research and Innovation (Prima2019-08). The project is also funded by the Foundation for Science and Technology (FCT, Portugal) through the Project PRIMA Section 2—Multi-topic 2019: PulpIng (PRIMA/0007/2019). The authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES (PIDDAC): CIMO, UIDB/00690/2020 (DOI: 10.54499/UIDB/00690/2020) and UIDP/00690/2020 (DOI: 10.54499/UIDP/00690/2020); and SusTEC, LA/P/0007/2020 (DOI: 10.54499/LA/P/0007/2020), and for the national funding by FCT and P.I. in the form of the institutional scientific employment program for the contracts of L. Barros, Â. Fernandes (DOI: 10.54499/CEECINST/00016/2018/CP1505/CT0008), and R. Calhelha. FCT, P.I., within the scope of the Project PRIMA Section 2—Multi-topic 2019: PulpIng (PRIMA/0007/2019). This research is supported also by the Serbian Ministry of Science, Technological Development and Innovation [Contract No. 451-03-47/2023-01/200007].pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPolyzos, Nikolaos; Fernandes, Ângela; Calhelha, Ricardo C.; Petrović, Jovana; Soković, Marina; Ferreira, Isabel C. F. R.; Barros, Lillian; Petropoulos, Spyridon A. (2024). Biochemical Composition of Pumpkin Seeds and Seed By-Products. Plants. ISSN 2223-7747. 13:17, p. 1-14pt_PT
dc.identifier.doi10.3390/plants13172395pt_PT
dc.identifier.issn2223-7747
dc.identifier.urihttp://hdl.handle.net/10198/30437
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationPulpIng - Development of a Pumpkin Pulp Formulation using a Sustainable Integrated Strategy
dc.relationMountain Research Center
dc.relationMountain Research Center
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
dc.relationNot Available
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCucurbita maxima L.pt_PT
dc.subjectSeed oilspt_PT
dc.subjectProximate compositionpt_PT
dc.subjectSeed cakespt_PT
dc.subjectBioactive propertiespt_PT
dc.subjectFatty acids compositionpt_PT
dc.titleBiochemical Composition of Pumpkin Seeds and Seed By-Productspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitlePulpIng - Development of a Pumpkin Pulp Formulation using a Sustainable Integrated Strategy
oaire.awardTitleMountain Research Center
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardTitleNot Available
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PRIMA%2F0007%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC INST 2018/CEECINST%2F00016%2F2018%2FCP1505%2FCT0008/PT
oaire.citation.endPage14pt_PT
oaire.citation.issue17pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titlePlantspt_PT
oaire.citation.volume13pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC INST 2018
person.familyNameFernandes
person.familyNameCalhelha
person.familyNameFerreira
person.familyNameBarros
person.givenNameÂngela
person.givenNameRicardo C.
person.givenNameIsabel C.F.R.
person.givenNameLillian
person.identifier144781
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person.identifier.ciencia-id9418-CF95-9919
person.identifier.ciencia-id9616-35CB-D001
person.identifier.orcid0000-0002-0157-9873
person.identifier.orcid0000-0002-6801-4578
person.identifier.orcid0000-0003-4910-4882
person.identifier.orcid0000-0002-9050-5189
person.identifier.ridJ-2172-2014
person.identifier.ridE-8500-2013
person.identifier.ridJ-3600-2013
person.identifier.scopus-author-id6507978333
person.identifier.scopus-author-id36868826600
person.identifier.scopus-author-id35236343600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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