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Cytinus hypocistis (L.) L.: optimised heat/ultrasound-assisted extraction of tannins by response surface methodology

2021Journal article Open access
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dc.contributor.authorSilva, Ana Rita
dc.contributor.authorPinela, José
dc.contributor.authorGarcía, Pablo A.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorBarros, Lillian
dc.date.accessioned2021-08-05T13:39:30Z
dc.date.available2021-08-05T13:39:30Z
dc.date.issued2021
dc.description.abstractTannins are a class of phenolic compounds commonly found in plants and studied for their bioactive and inhibitory enzyme properties. Cytinus hypocistis (L.) L. is a wild edible parasitic plant whose biological properties have been correlated with its high tannin content. Thus, studying the extraction of tannins from C. hypocistis will give comprehensive clues to enhance the recovery of these high added-value bioactive compounds. The present work applied Response Surface Methodology (RSM) to optimise tannins extraction using Heat-Assisted (HAE) and Ultrasound-Assisted (UAE) methods. Two three-factor Rotatable Central Composite Designs were used to assess the linear, quadratic, and interaction effects of the independent variables on the target responses. The obtained results from both extraction systems revealed high ethanol percentages as the critical factor in increasing tannin content. The optimum global processing conditions predicted by the polynomial models were 95.1 min, 46.4 ◦C, and 74.3% ethanol for HAE; and 18.7 min, 327.4 W, and 69.3% ethanol for UAE. Following these conditions, 200 mg and 178 mg of total tannins per g of extract were recovered using HAE and UAE, correspondingly. Although HAE presented a higher final response, the UAE stood out as a time-saving technique.pt_PT
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES to CIMO (UIDB/00690/2020). A. R. Silva is grateful to FCT and FSE for her Doctoral Grant (SFRH/BD/145834/2019), and J. Pinela and L. Barros for the contracts through the individual (CEECIND/01011/2018) and institutional scientific employment program-contract, respectively. The authors are also thankful to the FEDER-Interreg Espa˜na-Portugal programme for financial support through the project TRANSCoLAB 0612_TRANS_CO_LAB_2_P and to ERDF through the Regional Operational Program North 2020, within the scope of the Project GreenHealth - Norte-01-0145-FEDER-000042.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSilva, Ana Rita; Pinela, José; García, Pablo A.; Ferreira, Isabel C.F.R.; Barros, Lillian (2021). Cytinus hypocistis (L.) L.: optimised heat/ultrasound-assisted extraction of tannins by response surface methodology. Separation and Purification Technology. ISSN 1383-5866. 276, p. 1-11.pt_PT
dc.identifier.doi10.1016/j.seppur.2021.119358pt_PT
dc.identifier.issn1383-5866
dc.identifier.urihttp://hdl.handle.net/10198/23800
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationNot Available
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectParasitic plantpt_PT
dc.subjectHydrolysable tanninspt_PT
dc.subjectHeat/Ultrasound-assisted extractionpt_PT
dc.subjectExtraction optimisationpt_PT
dc.subjectHydroethanolic solventpt_PT
dc.titleCytinus hypocistis (L.) L.: optimised heat/ultrasound-assisted extraction of tannins by response surface methodologypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleNot Available
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 2018/CEECIND%2F01011%2F2018%2FCP1578%2FCT0002/PT
oaire.citation.titleSeparation and Purification Technologypt_PT
oaire.citation.volume276pt_PT
oaire.fundingStreamCEEC IND 2018
person.familyNameSilva
person.familyNamePinela
person.familyNameFerreira
person.familyNameBarros
person.givenNameAna Rita
person.givenNameJosé
person.givenNameIsabel C.F.R.
person.givenNameLillian
person.identifierABD-5857-2020
person.identifier144781
person.identifier469085
person.identifier.ciencia-id0E1A-35C1-C79A
person.identifier.ciencia-id771C-2B43-B108
person.identifier.ciencia-id9418-CF95-9919
person.identifier.ciencia-id9616-35CB-D001
person.identifier.orcid0000-0001-5819-9065
person.identifier.orcid0000-0001-7523-1637
person.identifier.orcid0000-0003-4910-4882
person.identifier.orcid0000-0002-9050-5189
person.identifier.ridB-4466-2014
person.identifier.ridE-8500-2013
person.identifier.ridJ-3600-2013
person.identifier.scopus-author-id54392272800
person.identifier.scopus-author-id36868826600
person.identifier.scopus-author-id35236343600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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