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Ultrasound and microwave assisted extraction of Opuntia fruit peels biocompounds: Optimization and comparison using RSM-CCD

2019Journal article Open access
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dc.contributor.authorMelgar Castañeda, Bruno
dc.contributor.authorDias, Maria Inês
dc.contributor.authorBarros, Lillian
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorRodriguez-Lopez, Antonio D.
dc.contributor.authorGarcia-Castello, Esperanza M.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-01-06T14:09:40Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-01-06T14:09:40Z
dc.date.issued2019
dc.description.abstractUltrasound-assisted extraction (UAE) and microwave-assisted extraction (MAE) of bioactive compounds, peels from Opuntia engelmannii cultivar (cv.) Valencia were optimized by response surface methodology. Randomized extraction runs were performed for each of the technologies employed in order to build e ective models with maximum (bioactive molecules content and yield) and minimum (antioxidant activity) responses. A 5-level, 4-factor central composite design was used to obtain target responses as a function of extraction time (t), solid to liquid ratio (S/L), methanol concentration (metOH), and temperature (T). Specific response optimization for each technology was analyzed, discussed, and general optimization from all the responses together was also gather. The optimum values for each factor were: t = 2.5 and 1.4 min, S/L = 5 and 5 g/L, metOH = 34.6 and 0% of methanol and T = 30 and 36.6 C, achieving maximum responses of 201.6 and 132.9 mg of betalains/g, 13.9 and 8.0 mg of phenolic acids/g, 2.4 and 1.5 mg of flavonoids/g, 71.8% and 79.1% of extractable solid and IC50 values for the antioxidant activity of 2.9 and 3.6, for UAE and MAE, respectively. The present study suggested UAE as the best extraction system, in order to maximize recovery of bioactive compounds with a high antioxidant activity.
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programmer PT2020 for financial support to CIMO (UID/AGR/00690/2019) and L. Barros and M.I. Dias also thank the national funding by FCT, P.I., through the institutional scientific employment program-contract. The authors are grateful to CONACyT for supporting B. Melgar with his doctoral grant (No. 329930). The authors specially thanks to Maria Luisa Ruiz and the “Laboratorio Agroalimentario de la Comunitat Valenciana” for allow the use of the microwave for the extractions. This work is also funded by the European Regional Development Fund (ERDF) through the Regional Operational Program North 2020, within the scope of Project Mobilizador Norte-01-0247-FEDER-024479: ValorNatural®.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationMelgar, Bruno; Dias, Maria Inês; Barros, Lillian; Ferreira, Isabel C.F.R.; Rodriguez-Lopez, Antonio D.; Garcia-Castello, Esperanza M. (2019). Ultrasound and microwave assisted extraction of Opuntia fruit peels biocompounds: Optimization and comparison using RSM-CCD. Molecules. ISSN 1420-3049. 24, p. 1-16en_EN
dc.identifier.doi10.3390/molecules24193618en_EN
dc.identifier.urihttp://hdl.handle.net/10198/20242
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectBetalainsen_EN
dc.subjectBy-productsen_EN
dc.subjectExtraction optimizationen_EN
dc.subjectOpuntiaen_EN
dc.subjectPhenolic compoundsen_EN
dc.subjectResponse surface methodology (RSM)en_EN
dc.titleUltrasound and microwave assisted extraction of Opuntia fruit peels biocompounds: Optimization and comparison using RSM-CCDen_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameMelgar Castañeda
person.familyNameDias
person.familyNameBarros
person.familyNameFerreira
person.givenNameBruno
person.givenNameMaria Inês
person.givenNameLillian
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifier144781
person.identifier.ciencia-id801C-0CD0-033F
person.identifier.ciencia-id2A13-4BE6-C7CF
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0002-5825-6872
person.identifier.orcid0000-0001-8744-7814
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridM-8242-2013
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id56725706500
person.identifier.scopus-author-id54388787000
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id36868826600
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication2a1ce6c9-34e6-4304-a859-54f1afb5a09b
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relation.isAuthorOfPublication.latestForDiscovery3af07ffe-f914-48ba-a5d5-efcf70fdce01

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