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Biactive properties of Greek garlic genotypes

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dc.contributor.authorFernandes, Ângela
dc.contributor.authorPetropoulos, Spyridon Α.
dc.contributor.authorBarros, Lillian
dc.contributor.authorĆirić, Ana
dc.contributor.authorSoković, Marina
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2018-10-29T11:21:31Z
dc.date.available2018-10-29T11:21:31Z
dc.date.issued2018
dc.description.abstractGarlic (Allium sativum L.) is one of the most economically important species of the Allium genus throughout the world. One of the major beneficial effects of garlic is related with antioxidant properties which have been associated with many therapeutic effects, including cancer prevention, antithrombotic effects, cardiovascular protection and anti-aging effects. The aim of the present study was to determine the bioactive properties from various Greek garlics in order to determine the variability in their antimicrobial and antioxidant properties, as well as to compare them with commercial cultivars. The collected samples included: one local garlic cultivar from Evros “Nea Vissa” (samples G1 and G2); one sample of a local landrace and one sample of Chinese origin cultivated in Neapoli; (samples G3 and G4, respectively); one sample from Euboea Prefecture of Chinese origin (G5); one sample of local cultivar of “Platykampos”, one commercial sample of Chinese origin and one sample of commercial cultivar Gardos, all cultivated in Magnissia Perfecture (G6-G8, respectively), and three samples from Arcadia Prefecture of local cultivar of “Tripoli” (G9-11). The antioxidant activity was evaluated by DPPH radical-scavenging activity, reducing power, inhibition of beta-carotene bleaching and inhibition of lipid peroxidation. The antimicrobial activity was evaluated against four Gram positive bacteria, six Gram negative bacteria and two fungi, using the microdilution method, in order to obtain the minimal growth inhibititory concentrations and minimal bactericidal/funcicidal concentrations. Genotype G5 showed the lowest EC50 values for all the tested antioxidant activity assays. The antimicrobial activity was significant, especially against the bacteria P. mirabilis and antibiotic resistant E. coli. Significant variation was observed between the studied garlic genotypes, indicating the importance of both growing conditions and genotype on the bioactive properties of dry garlic. This variation could be further exploited in breeding programs in order to select elite genotypes with increased bioactive properties.pt_PT
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financial support to CIMO (UID/AGR/00690/2013), grant to A. Fernandes (SFRH/BPD/114753/2016) and L. Barros contract.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFernandes, Ângela; Petropoulos, Spyridon A.; Barros, Lillian; Ciric, Ana; Sokovic, Marina; Ferreira, Isabel C.F.R. (2018). Bioactive properties of Greek garlic genotypes. In UNIFood Conference. Belgrado, Sérviapt_PT
dc.identifier.urihttp://hdl.handle.net/10198/18128
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationBioresidues of Agaricus bisporus Portobello as sustainable sources of vitamin D2: yield improvement by irradiation, refinement and stabilization to functionalize novel food formulations.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAllium sativum L.pt_PT
dc.subjectGreek garlicpt_PT
dc.titleBiactive properties of Greek garlic genotypespt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleBioresidues of Agaricus bisporus Portobello as sustainable sources of vitamin D2: yield improvement by irradiation, refinement and stabilization to functionalize novel food formulations.
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FAGR%2F00690%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/FARH/SFRH%2FBPD%2F114753%2F2016/PT
oaire.citation.conferencePlaceBelgrado, Sérviapt_PT
oaire.citation.titleUNIFood Conferencept_PT
oaire.fundingStream5876
oaire.fundingStreamFARH
person.familyNameFernandes
person.familyNameBarros
person.familyNameFerreira
person.givenNameÂngela
person.givenNameLillian
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifier144781
person.identifier.ciencia-id2015-0434-AE7C
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0002-0157-9873
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id36868826600
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
relation.isAuthorOfPublication6233e657-3885-40a3-885e-0d51cf4dbaad
relation.isAuthorOfPublication3af07ffe-f914-48ba-a5d5-efcf70fdce01
relation.isAuthorOfPublicationbd0d1537-2e03-41fb-b27a-140af9c35db8
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