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Analysis of tocopherols and phenolic compounds in extruded lentil flour formulations for development of snack-type functional foods

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dc.contributor.authorCiudad-Mulero, María
dc.contributor.authorFernandes, Ângela
dc.contributor.authorBarros, Lillian
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorBerrios, José de J.
dc.contributor.authorMontaña, Cámara
dc.contributor.authorMorales, Patricia
dc.contributor.authorFernández-Ruiz, Virginia
dc.date.accessioned2018-02-14T10:37:17Z
dc.date.available2018-02-14T10:37:17Z
dc.date.issued2017
dc.description.abstractPulses are currently considered as functional gluten-free foods, which could be included in extrusion formulations in order to develop functional products with high nutritional value [1]. In the present study individual phenolic compounds and tocopherols were evaluated in different lentil flours (raw and extruded at 140 and 160ºC) formulated with nutritional yeasts.Phenolic compounds were analysed by using a HPLC equipped with a diode-array detector and coupled to a mass detector [2].For the analysis of tocopherols, it was used HPLC coupled to a fluorescence detector [1]. Extrusion cooking may affect bioavailability of phenolic compounds due to high temperature that causes decomposition of heat-labile phenolic compounds and may also lead to polymerization of some phenolic compounds under high pressure [3]. Catechin hexoside was the most abundant phenolic compound, with values around 30.7 to 66.1 mg/100g dw in raw samples. After the extrusion process, it was observed the highest decrease in the lentil flours formulated with the highest amount of nutritional yeast (16%). The other phenolic compounds, also experiment a decrease but in a less extend, probably due to partial hydrolysis of conjugated phenolics[4].Particularly in the case of kaempferol-O-desoxyhexide-O-hexoside- O-rutinoside, quercetin-3-O-glucoside, quercetin-O-hexoside and quercetin-O-pentoside. Regarding tocopherols content, there was a significant decrease in all tocopherol vitamer safter the extrusion process.In the studied raw samples, total tocopherols content ranged from 2.05 to 3.02 mg/ 100g (dw). The results showed a reduction of 81.5-92% in total tocopherols, which is in accordance with other authors [3].pt_PT
dc.description.sponsorshipThe authors are grateful to ALIMNOVA research group (UCM-951505/2012), FCT, Portugal and FEDER under Programme PT2020 (financial support to CIMO (UID/AGR/00690/2013, A. Fernandes grant (SFRH/BPD/114753/2016) and L. Barros contract).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCiudad-Mulero, María; Fernandes, Ângela; Barros, Lillian; Ferreira, Isabel C.F.R.; Berrios, José de J.; Montaña, Cámara; Morales, Patricia; Fernández-Ruíz, Virginia (2017). Analysis of tocopherols and phenolic compounds in extruded lentil flour formulations for development of snack-type functional foods. In 10º Encontro Nacional de Cromatografia. Bragança. ISBN 978-972-745-234-7pt_PT
dc.identifier.isbn978-972-745-234-7
dc.identifier.urihttp://hdl.handle.net/10198/15714
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherInstituto Politécnico de Bragançapt_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.titleAnalysis of tocopherols and phenolic compounds in extruded lentil flour formulations for development of snack-type functional foodspt_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.conferencePlaceBragança, Portugalpt_PT
oaire.citation.title10º Encontro Nacional de Cromatografiapt_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
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