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Optimization of microwave-assisted extration of phenolic compounds from tomao by full factorial design coupled with response surface methodology

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dc.contributor.authorPinela, José
dc.contributor.authorPrieto Lage, Miguel A.
dc.contributor.authorCarvalho, Ana Maria
dc.contributor.authorBarreiro, M.F.
dc.contributor.authorOliveira, Beatriz
dc.contributor.authorBarros, Lillian
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2016-09-19T16:19:29Z
dc.date.available2016-09-19T16:19:29Z
dc.date.issued2016
dc.description.abstractTomato (Lycopersicon esculentum Mill.), apart from being a functional food rich in carotenoids, vitamins and minerals, is also an important source of phenolic compounds [1 ,2]. As antioxidants, these functional molecules play an important role in the prevention of human pathologies and have many applications in nutraceutical, pharmaceutical and cosmeceutical industries. Therefore, the recovery of added-value phenolic compounds from natural sources, such as tomato surplus or industrial by-products, is highly desirable. Herein, the microwave-assisted extraction of the main phenolic acids and flavonoids from tomato was optimized. A S-Ieve! full factorial Box-Behnken design was implemented and response surface methodology used for analysis. The extraction time (0-20 min), temperature (60-180 "C), ethanol percentage (0-100%), solidlliquid ratio (5-45 g/L) and microwave power (0-400 W) were studied as independent variables. The phenolic profile of the studied tomato variety was initially characterized by HPLC-DAD-ESIIMS [2]. Then, the effect of the different extraction conditions, as defined by the used experimental design, on the target compounds was monitored by HPLC-DAD, using their UV spectra and retention time for identification and a series of calibrations based on external standards for quantification. The proposed model was successfully implemented and statistically validated. The microwave power had no effect on the extraction process. Comparing with the optimal extraction conditions for flavonoids, which demanded a short processing time (2 min), a low temperature (60 "C) and solidlliquid ratio (5 g/L), and pure ethanol, phenolic acids required a longer processing time ( 4.38 min), a higher temperature (145.6 •c) and solidlliquid ratio (45 g/L), and water as extraction solvent. Additionally, the studied tomato variety was highlighted as a source of added-value phenolic acids and flavonoids.pt_PT
dc.identifier.citationPinela, José; Prieto, M.A.; Carvalho, Ana Maria; Barreiro, M.F.; Oliveira, M.B.P.P.; Barros, Lillian; Ferreira, Isabel C.F.R. (2016). Optimization of microwave-assisted extration of phenolic compounds from tomao by full factorial design coupled with response surface methodology. In 5° Encontro Português de Jovens Químicos (PYCheM) e o 1° Encontro Europeu de Jovens Químicos (EYCHeM). Guimarãespt_PT
dc.identifier.urihttp://hdl.handle.net/10198/13270
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationRECOVERY OF THE SUSTAINABLE USE OF TRADITIONAL FOODS THROUGH EMERGING PRESERVATION TECHNOLOGIES
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.titleOptimization of microwave-assisted extration of phenolic compounds from tomao by full factorial design coupled with response surface methodologypt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleRECOVERY OF THE SUSTAINABLE USE OF TRADITIONAL FOODS THROUGH EMERGING PRESERVATION TECHNOLOGIES
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/5876/PEst-OE%2FAGR%2FUI0690%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F50006%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F92994%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F107855%2F2015/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FEQU%2F50020%2F2013/PT
oaire.citation.conferencePlaceGuimarães, Portugalpt_PT
oaire.citation.title5° Encontro Português de Jovens Químicos (PYCheM) e o 1° Encontro Europeu de Jovens Químicos (EYCHeM)pt_PT
oaire.fundingStream5876
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNamePinela
person.familyNamePrieto
person.familyNameCarvalho
person.familyNameBarreiro
person.familyNameBarros
person.familyNameFerreira
person.givenNameJosé
person.givenNameMiguel A.
person.givenNameAna Maria
person.givenNameFilomena
person.givenNameLillian
person.givenNameIsabel C.F.R.
person.identifier107688
person.identifierID G-7399-2011
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person.identifier.ciencia-id3418-47D5-5746
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0001-7523-1637
person.identifier.orcid0000-0002-3513-0054
person.identifier.orcid0000-0001-5508-5935
person.identifier.orcid0000-0002-6844-333X
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridB-4466-2014
person.identifier.ridG-4516-2011
person.identifier.ridL-9802-2014
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id54392272800
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person.identifier.scopus-author-id57188719717
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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.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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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