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Combined hydrothermal pre-treatment and enzymatic hydrolysis of corn fibre: production of ferulic acid extracts and assessment of their antioxidant and antiproliferative properties

2021-10Journal article Open access
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dc.contributor.authorValério, Rita
dc.contributor.authorSerra, Ana Teresa
dc.contributor.authorBaixinho, João
dc.contributor.authorCardeira, Martim
dc.contributor.authorFernández, Naiara
dc.contributor.authorBronze, MR
dc.contributor.authorDuarte, Luís C.
dc.contributor.authorTavares, Maria L.
dc.contributor.authorCrespo, João
dc.contributor.authorBrazinha, Carla
dc.date.accessioned2021-11-24T10:18:09Z
dc.date.available2021-11-24T10:18:09Z
dc.date.issued2021-10
dc.description.abstractABSTRACT: Ferulic acid may be used as a nutraceutical ingredient or as a substrate to produce bio-vanillin. There is an increasing market demand for ferulic acid obtained from natural sources such as low-cost agro-industrial by-products, due to its potential applications as nutraceutical ingredient and as a substrate to produce biovanillin. This work aims to study ferulic acid recovery from corn fibre (one of the most abundant natural sources of ferulic acid), involving an integrated process of hydrothermal pre-treatment followed by enzymatic hydrolysis. The objective is primarily to produce natural extracts with a maximum ferulic acid recovery yield, but it is also to assess their antioxidant and antiproliferative properties and their cytotoxicity. Different commercial enzyme preparations were tested for release of ferulic acid from corn fibre. The best results were obtained for Ultraflo (R) XL in a concentration of 2 % (W-enzyme preparation/W- dry corn fibre) at a pH of 5 and at 55 degrees C, presenting a recovery yield of esterified ferulic acid of 7.83 +/- 1.35 % (w(recovered ferulic acid)/w(total esterified ferulic acid)), which corresponds to 0.13 +/- 0.02 % (w(ferulic acid)/w (thy corn fibre)). When using a hydrothermal pretreatment at a temperature of 140 degrees C for 40 min, prior to the use of the same enzymatic hydrolysis procedure, the recovery yield of esterified ferulic acid increased to 28.94 +/- 2.40 % (W- recovered ferulic acid/ w(total esterified ferulic acid)), which corresponds to 4.9 +/- 0.3 % (w(ferulic acid)/w(dry corn fibre)). The use of this pre-treatment leads not only to the highest yield of ferulic acid, but also to the lowest concentration of furfural and hydroxymethylfurfural, without the formation of formic and levulinic acid (not detected). All pre-treatments tested led to an improved quality of the extract in terms of bioactivity.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationValério, Rita... [et.al.] - Combined hydrothermal pre-treatment and enzymatic hydrolysis of corn fibre: production of ferulic acid extracts and assessment of their antioxidant and antiproliferative properties. In: Industrial Crops & Products, 2021, Vol. 170, article nº 113731pt_PT
dc.identifier.doi10.1016/j.indcrop.2021.113731pt_PT
dc.identifier.eissn1872-633X
dc.identifier.issn0926-6690
dc.identifier.urihttp://hdl.handle.net/10400.9/3616
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationPOCI-01-0145-FEDER -007265pt_PT
dc.relationFlavor production by Acinetobacter soli using industrial byproducts
dc.relationValorização da fibra do milho: optimização de um processo integrado para a produção de bio-vanilina
dc.relationApplied Molecular Biosciences Unit
dc.relationiNOVA4Health - Programme in Translational Medicine (iBET, CEDOC/FCM, IPOLFG e ITQB)
dc.relation.publisherversionhttps://doi.org/10.1016/j.indcrop.2021.113731pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectHydrothermal pre-treatmentpt_PT
dc.subjectEnzymatic hydrolysispt_PT
dc.subjectHemicellulosept_PT
dc.subjectOligosaccharidespt_PT
dc.titleCombined hydrothermal pre-treatment and enzymatic hydrolysis of corn fibre: production of ferulic acid extracts and assessment of their antioxidant and antiproliferative propertiespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleFlavor production by Acinetobacter soli using industrial byproducts
oaire.awardTitleValorização da fibra do milho: optimização de um processo integrado para a produção de bio-vanilina
oaire.awardTitleApplied Molecular Biosciences Unit
oaire.awardTitleiNOVA4Health - Programme in Translational Medicine (iBET, CEDOC/FCM, IPOLFG e ITQB)
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F138011%2F2018/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//PD%2FBDE%2F113543%2F2015/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F50006%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04462%2F2020/PT
oaire.citation.titleIndustrial Crops & Productspt_PT
oaire.citation.volume170pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream5876
oaire.fundingStream6817 - DCRRNI ID
person.familyNameValério
person.familyNameCaseiro Baixinho
person.familyNameCardeira
person.familyNameFernández Hernández
person.familyNameBronze
person.familyNameDuarte
person.familyNameCrespo
person.familyNameBrazinha
person.givenNameRita
person.givenNameJoão Paulo
person.givenNameMartim
person.givenNameNaiara
person.givenNameMaria
person.givenNameLuís
person.givenNameJoão
person.givenNameCarla
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.nameFundação para a Ciência e a Tecnologia
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