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Leccinum vulpinum Watling: nutritional, antioxidant and antitumour potential

dc.contributor.authorReis, Filipa S.
dc.contributor.authorSousa, Diana
dc.contributor.authorBarros, Lillian
dc.contributor.authorMartins, Anabela
dc.contributor.authorMorales, Patricia
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorVasconcelos, M. Helena
dc.date.accessioned2017-01-18T11:47:51Z
dc.date.available2017-01-18T11:47:51Z
dc.date.issued2016
dc.description.abstractThe global economic value of mushrooms is significant, not only due to their value as food [1] but also their medicinal properties, some of them having particularly been described to have antioxidant and antitumour potential [2,3]. Furthermore, some mushroom extracts have reached clinical trials. Additionally, in Japan, PSK (a polysaccharide conjugate isolated from Trametes versicolor (L.) Lloyd), is prescribed as an adjunct to conventional cancer therapies and surgical treatments of colorectal and gastric cancers [4]. The aim of this work was to study the chemical profile of Leccinum vulpinum Watling, regarding its content in nutrients and non-nutrients. Moreover, to study the in vitro antioxidant and antitumour potential of its phenolic extract. L. vulpinum wild samples were collected in Bragança, in the northeastern region of Portugal. The nutritional value was assessed following standard procedures. The individual profiles in soluble sugars, fatty acids and micronutrients were obtained through chromatographic techniques. The antioxidant potential of the phenolic extract was evaluated through the reducing power, DPPH radical-scavenging activity and lipid peroxidation inhibition assays. To assess the antitumour potential, the extract was screened against a panel of human tumour cell lines (MCF-7, NCI-H460, HCT-15 and AGS). Studies of effect on cell proliferation, cell cycle profile and apoptosis were performed on MCF-7 cells. The effect on DNA damage was evaluated with the Comet assay. L. vulpinum showed a nutritional profile with low fat levels, fructose, mannitol and trehalose as the foremost free sugars, and high percentage of mono- and polyunsaturated fatty acids. The main isoforms of vitamin E detected were the β- and γ-tocopherol. L. vulpinum also revealed the presence of phenolic acids (e.g., gallic, protocatechuic and p-hydroxybenzoic acids) and other organic acids (e.g., citric acid). The phenolic extract presented reducing capacity, radical-scavenging activity and lipid peroxidation inhibition. Regarding the antitumour potential, the extract inhibited the growth of all the tested cell lines. In addition, it decreased cellular proliferation, induced apoptosis and caused DNA damage of MCF-7 cells. The present study highlights the importance of conserving the national mycological resources, as a source of bioactive compounds with antioxidant and antitumour activity.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationReis, Filipa S.; Sousa, Diana; Barros, Lillian; Martins, Anabela; Morales, Patrícia; Ferreira, Isabel C.F.R.; Vasconcelos, Maria Helena (2016). Leccinum vulpinum Watling: nutritional, antioxidant and antitumour potential. In i3S Annual Meeting. Póvoa do Varzimpt_PT
dc.identifier.urihttp://hdl.handle.net/10198/13863
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationStudy of nutritional, antioxidant, anti-proliferative and programmed cell death induction properties of wild mushrooms
dc.relationUnderstanding the interactions between P-glycoprotein and microRNAs in the transfer of drug resistance by extracellular vesicles
dc.relationProviding industry and consumers with new alternative sources of natural additives from plant origin in the classes of preservatives and colouring agents: extraction, purification, stabilization and product development
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.titleLeccinum vulpinum Watling: nutritional, antioxidant and antitumour potentialpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleStudy of nutritional, antioxidant, anti-proliferative and programmed cell death induction properties of wild mushrooms
oaire.awardTitleUnderstanding the interactions between P-glycoprotein and microRNAs in the transfer of drug resistance by extracellular vesicles
oaire.awardTitleProviding industry and consumers with new alternative sources of natural additives from plant origin in the classes of preservatives and colouring agents: extraction, purification, stabilization and product development
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/FARH/SFRH%2FBD%2F111753%2F2015/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F98054%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F107855%2F2015/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FAGR%2F00690%2F2013/PT
oaire.citation.conferencePlacePóvoa de Varzim, Portugalpt_PT
oaire.citation.title5th Annual Meetingpt_PT
oaire.fundingStreamFARH
oaire.fundingStream5876
person.familyNameReis
person.familyNameBarros
person.familyNameMartins
person.familyNameFerreira
person.givenNameFilipa S.
person.givenNameLillian
person.givenNameAnabela
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifier144781
person.identifier.ciencia-id391F-AFE1-64C7
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id7B18-A810-6B93
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0002-9159-0530
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0001-6218-4413
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridI-2093-2013
person.identifier.ridJ-3600-2013
person.identifier.ridG-5488-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id36982144400
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id7203013518
person.identifier.scopus-author-id36868826600
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
rcaap.embargofctFCT for the grant of F.S. Reis (SFRH/BD/111753/2015), D. Sousa (SFRH/BD/98054/2013), and L. Barros (SFRH/BPD/107855/2015), and FCT and FEDER for CIMO (UID/AGR/00690/2013) support.pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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