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Nutritional profile and mineral content of Sonchus asper: a wild edible plant from the Mediterranean area

2022Conference object Open access
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dc.contributor.authorPaschoalinotto, B.H.
dc.contributor.authorPrieto Lage, Miguel A.
dc.contributor.authorCompocholi, Maria
dc.contributor.authorPolyzos, Nikolaos
dc.contributor.authorPetropoulos, Spyridon Α.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorDias, Maria Inês
dc.contributor.authorBarros, Lillian
dc.date.accessioned2023-03-10T10:38:05Z
dc.date.available2023-03-10T10:38:05Z
dc.date.issued2022
dc.description.abstractAgrobiodiversity as part of overall biodiversity can be defined as the variety of living forms within agricultural ecosystems and is strongly linked with diversity in food and agricultural production and, thus, with nutrition and human health. In addition to the diversity of common crop species, Mediterranean agrobiodiversity resources also include Wild Edible Plants (WEPs)1. Sonchus asper is considered a wild edible plant and is popularly known as spiny sow thistle. This species of European origin, but found on other continents, is traditionally harvested by local people from nature, to be consumed mainly sautéed with sauces and broths of the well-known Mediterranean diet2. The unrestrained collection of wild plants can cause serious environmental problems as well as health problems for the consumer, since these species grow spontaneously to maintain themselves and are not managed or cultivated, so there is no reproducibility in the nutritional contribution. Thus, the objective of the present study was to characterize the nutritional profile, mineral content, and energy of the leaves of two wild spiny sow thistle (SA1 and SA2), grown on different medium, using AOAC methods. The content of crude protein (AOAC, 991.02), total fat (AOAC, 989.05), total dietary fiber (AOAC, 991.43), ash (AOAC, 935.42) and carbohydrates (by difference) were evaluated. The mineral content was measured using atomic absorption spectrophotometry and the energy was calculated according to the equation: energy (kcal per 100 g) = 4 x (g protein + g carbohydrate) + 2 x (g total dietary fiber) + 9 x (g fat). In all nutritional parameters, wild Sonchus asper samples showed different values. In total fat, SA1 presented the highest amount (5.6 g/100 g dw) while SA2 presented 2.8 g/100 g dw. In terms of carbohydrates, SA2 showed twice the concentration when compared to SA1. In terms of crude protein and total dietary fiber, SA1 shows promising concentrations (15.96 and 41.6 g/100 g dw, respectively), while SA2 contained namely 11.86 and 37.45 g/100 dw. Regarding ash, the leaves of SA2 showed values lower than SA1. Although SA1 presented the highest concentrations of total fat, crude protein, total dietary fiber, and ash, the SA2 sample presented the highest energy contribution (304.5 kcal/100 g), possibly due to the significant presence of carbohydrates. The mineral content also showed great differences between SA1 and SA2, mainly with regard to the concentration (mg/g of dw) of manganese, with the sample SA1 showing a content of 30% higher when compared to SA2. For potassium, copper, and zinc, the sample SA2 showed the highest concentrations, on the other hand, SA1 showed high concentrations in the content of sodium, calcium, magnesium, and iron (9.4, 10.5, 3.2, 0.2 mg/g of dw, respectively). This distinct nutritional profile of the two wild thistles is possibly caused by the quality of the soil, since the primary metabolism depends on the edaphoclimatic conditions in which the plant grows, namely light, salinity, and temperature3. The preliminary results obtained point out the great differences in the nutritional value of spiny sow thistle, highlighting the need to implement an adequate cultivation system that enhances this species functional macro and micronutrients.pt_PT
dc.description.sponsorshipAuthors thanks to Fundação para a Ciência e Tecnologia (FCT, Portugal) for financial support through national funds FCT/MCTES to CIMO (UIDB/00690/2020) and to Project PRIMA Section 2 - Multi-topic 2019: VALUEFARM (PRIMA/0009/2019).; to the National funds of FCT, P.I. for the institutional scientific employment program-contract of L. Barros and M.I. Dias. To MICINN for the Ramón y Cajal Scholarship by M.A. Prieto (RYC-2017-22891); To the General Secretariat for Research and Technology of Greece and PRIMA Foundation for the Valuefarm project (Prima 2019-11) and the contract of N. Polyzospt_PT
dc.description.versionN/Apt_PT
dc.identifier.citationPaschoalinotto, B.H.; Prieto Lage, Miguel A.; Compocholi, Maria; Polyzos, Nikolas; Petropoulos, Spyridon Α.; Ferreira, Isabel C.F.R.; Dias, Maria Inês; Barros, Lillian (2022). Nutritional profile and mineral content of Sonchus asper: a wild edible plant from the Mediterranean area. In Ofélia Anjos; Soraia I. Pedro; Natália Martins Roque; Carlos Antunes (Eds.) XVI Encontro de Química dos Alimentos - Bio-Sustentabilidade e Bio-Segurança Alimentar, Inovação e Qualidade Alimentar: Livro de Resumos. Castelo Brancopt_PT
dc.identifier.isbn978-989-8124-36-4
dc.identifier.urihttp://hdl.handle.net/10198/27609
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSociedade Portuguesa de Químicapt_PT
dc.relationMountain Research Center
dc.relationValueFarm - Valorization of Mediterranean small-scale farms by cropping wild unexploited species
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectWild Edible Plantpt_PT
dc.subjectResearch Subject Categories::TECHNOLOGY::Chemical engineeringpt_PT
dc.titleNutritional profile and mineral content of Sonchus asper: a wild edible plant from the Mediterranean areapt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleValueFarm - Valorization of Mediterranean small-scale farms by cropping wild unexploited species
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PRIMA%2F0009%2F2019/PT
oaire.citation.conferencePlaceCastelo Brancopt_PT
oaire.citation.endPage304pt_PT
oaire.citation.startPage304pt_PT
oaire.citation.titleXVI Encontro de Química dos Alimentos - Bio-Sustentabilidade e Bio-Segurança Alimentar, Inovação e Qualidade Alimentar: Livro de Resumospt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream3599-PPCDT
person.familyNamePaschoalinotto
person.familyNamePrieto Lage
person.familyNameFerreira
person.familyNameDias
person.familyNameBarros
person.givenNameBeatriz H.
person.givenNameMiguel A.
person.givenNameIsabel C.F.R.
person.givenNameMaria Inês
person.givenNameLillian
person.identifier107688
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person.identifier.ciencia-id9616-35CB-D001
person.identifier.orcid0000-0002-5813-4453
person.identifier.orcid0000-0002-3513-0054
person.identifier.orcid0000-0003-4910-4882
person.identifier.orcid0000-0001-8744-7814
person.identifier.orcid0000-0002-9050-5189
person.identifier.ridG-4516-2011
person.identifier.ridE-8500-2013
person.identifier.ridM-8242-2013
person.identifier.ridJ-3600-2013
person.identifier.scopus-author-id35937495700
person.identifier.scopus-author-id36868826600
person.identifier.scopus-author-id54388787000
person.identifier.scopus-author-id35236343600
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
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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