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A collaborative study for the performance evaluation of analytical methods for própolis. An IHC trial

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dc.contributor.authorLopes, Mélissa
dc.contributor.authorPereyra, A.
dc.contributor.authorBeckh, G.
dc.contributor.authorSchreiter, H.
dc.contributor.authorÇelemli, Ömür Gençay
dc.contributor.authorSorkun, K.
dc.contributor.authorGeorgé, Stéphane
dc.contributor.authorPaulo, L.
dc.contributor.authorSancho, M.
dc.contributor.authorBankova, Vassya
dc.contributor.authorDastan, T.
dc.contributor.authorTanaki, C.
dc.contributor.authorNunes, Luís
dc.contributor.authorVilas-Boas, Miguel
dc.date.accessioned2019-03-11T11:51:52Z
dc.date.available2019-03-11T11:51:52Z
dc.date.issued2018
dc.description.abstractPropolis is well known for its potential applications but also for its chemical complexity, making it very hard to define quality standards for its commercialization. Every day it is possible to find new publications on this bee product describing a new singularity, a particular substance with high bioactivity never described or a new application. This systematic increment in scientific information, although relevant, do not always enable a clear comparison between samples due to the different methods and procedures used to assess its quality parameters. To strength the scientific studies on propolis and establish a background for future definition of standards for industry, producers and laboratories, the Propolis Working group of the International Honey Commission, performed an interlaboratory study to harmonize basic analytical methods and evaluate their accuracy and robustness. The collaborative study was accomplished by 12 laboratories from 9 countries and a company experienced in propolis trade. The samples under analysis, representing fifteen different origins around the globe, where fractionated and distributed to each laboratory, and so all participants analysed the same material. Overall, six parameters were evaluated: ashes, wax and balsamic extract on raw propolis, and total-phenolics, flavones and flavanones on propolis extract. The results were analysed following the international guidelines ISO 57251. Outliers were removed using Cochran’s test, to check the homogeneity of variances at certain levels, and Grubb test’s, to check the consistency of the laboratories average. The results revealed good reproducibility for ash, wax, balsamic content and flavones, while for flavanones the method is clearly unsuitable.pt_PT
dc.description.sponsorshipProject PDR2020-1.0.1-FEADER-031734: “Diversification and Innovation on Beekeeping Production”pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLopes, Melissa; Pereyra, A.; Beckh, G.; Schreiter, H.; Çelemi, O.; Sorkun, K.; Georgé, S.; Paulo, L.; Sancho, M.; Bankova, Vassya; Dastan, D.; Tanaki, C.; Nunes, Luís; Vilas-Boas, Miguel (2018). A collaborative study for the performance evaluation of analytical methods for própolis. An IHC trial. In Propolis in Human & Bee Health Conference. Sofia, Bulgariapt_PT
dc.identifier.urihttp://hdl.handle.net/10198/19122
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPropolispt_PT
dc.subjectBeekeeping productionpt_PT
dc.titleA collaborative study for the performance evaluation of analytical methods for própolis. An IHC trialpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceBulgáriapt_PT
oaire.citation.titlePropolis in Human & Bee Health Conferencept_PT
person.familyNameNunes
person.familyNameVilas-Boas
person.givenNameLuís
person.givenNameMiguel
person.identifier1693134
person.identifier.ciencia-idA918-C6FF-81A4
person.identifier.orcid0000-0002-8913-785X
person.identifier.orcid0000-0002-8665-5280
person.identifier.ridI-5949-2013
person.identifier.scopus-author-id35222136600
person.identifier.scopus-author-id6602648497
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublicatione5a7d07d-f55c-4068-a4ec-258574539652
relation.isAuthorOfPublicationf58280c8-298b-4e4c-9f7c-4517300d3382
relation.isAuthorOfPublication.latestForDiscoveryf58280c8-298b-4e4c-9f7c-4517300d3382

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