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Bioproducts from forest biomass II. Bioactive compounds from the steam-distillation by-products of Cupressus lusitanica Mill. and Cistus ladanifer L. wastes

2020-12Journal article Open access
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datacite.subject.fosCiências Agrárias::Agricultura, Silvicultura e Pescas
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg13:Ação Climática
datacite.subject.sdg14:Proteger a Vida Marinha
dc.contributor.authorTavares, Cláudia S.
dc.contributor.authorMartins, Alice
dc.contributor.authorMiguel, M. Graça
dc.contributor.authorCarvalheiro, Florbela
dc.contributor.authorDuarte, Luís C.
dc.contributor.authorGameiro, José A.
dc.contributor.authorFigueiredo, A. Cristina
dc.contributor.authorRoseiro, Luísa B.
dc.date.accessioned2025-07-15T15:28:57Z
dc.date.available2025-07-15T15:28:57Z
dc.date.issued2020-12
dc.descriptionArticle number - 112991
dc.description.abstractObtaining essential oils and hydrolates from underutilized biomass is an economic and sustainable way for production of these high added-value bioproducts. However, this process still generates large amounts of residues as the by-products obtained during distillation, which can be a concern for the environment, but also adequate substrates for other applications. Considering this fact, the waste distilled by-products remaining after steam-distillation of underutilized biomass from Cupressus lusitanica and Cistus ladanifer, were evaluated as a natural source of other high value products with biological activities, namely, phenolic compounds. Thus, the remaining extracted solid residues (ESRs) were characterized and subject to further treatments by ultrasound-assisted extraction (UAE) with ethanol and 70 % acetone, in order to prepare phenolic-rich extracts thereof: ESRs(EtOH) and ESRs(70 % Ace). Together with the distiller condensation waters (DCWs), these extracts were characterized for their phenolic content (total phenols, tannins and flavonoids). Their antioxidant activity was also evaluated by different methodologies. The phenolic profile of DCWs, ESRs(EtOH) and ESRs(70 % Ace) from both waste species was obtained by capillary zone electrophoresis (CZE) and phenolic compounds were tentatively identified. Results obtained for C. lusitanica biomass are here disclosed for the first time. Generally, all samples revealed to be rich in phenolic compounds, being C. ladanifer biomass the one with higher phenolic content. DCWs presented values of 140 mgGAE/g for C. lusitanica and 210 mg GAE/g for C. ladanifer, from which ca. 60 % were tannins. Extracts obtained with 70 % acetone were the ones with the highest results, except for the antioxidant activity by xanthine oxidase and superoxide inhibition, which was higher in DCWs. Catechins were the major compounds found for both species, but gallocatechins and gallic acid were only identified in C. ladanifer. Hydroxycinnamic acid derivatives and salicylic acid were also identified in C. ladanifer, partly justifying the anti-inflammatory effect referred for this species.eng
dc.description.sponsorshipThis research has been carried out at the Biomass and Bioenergy Research Infrastructure (BBRI)-LISBOA-01-0145-FEDER-022059, supported by Operational Programme for Competitiveness and Internationalization (PORTUGAL 2020), by Lisbon Portugal Regional Operational Programme (Lisboa 2020) and by North Portugal Regional Operational Programme (Norte 2020) under the Portugal 2020 Partnership Agreement, through the European Regional Development Fund (ERDF). Cláudia S. Tavares is grateful to Fundação para a Ciência e a Tecnologia (FCT) for the PhD grant SFRH/BDE/110279/2015. This study was also partially funded by FCT/MCTES through national funds, under CESAM UIDP/50017/2020+UIDB/50017/2020, UIDP/05183/2020 and by SILVAPOR, Ambiente e Inovação Lda.
dc.identifier.citationCláudia S. Tavares, Alice Martins, M. Graça Miguel, Florbela Carvalheiro, Luís C. Duarte, José A. Gameiro, A. Cristina Figueiredo, Luísa B. Roseiro, Bioproducts from forest biomass II. Bioactive compounds from the steam-distillation by-products of Cupressus lusitanica Mill. and Cistus ladanifer L. wastes, Industrial Crops and Products, Volume 158, 2020, 112991, ISSN 0926-6690, https://doi.org/10.1016/j.indcrop.2020.112991.
dc.identifier.doi10.1016/j.indcrop.2020.112991
dc.identifier.issn0926-6690
dc.identifier.urihttp://hdl.handle.net/10400.8/13657
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationVALORIZAÇÃO DE RECURSOS ENDÓGENOS DE BIOMASSA FLORESTAL SUBAPROVEITADA
dc.relationCentre for Environmental and Marine Studies
dc.relationCentre for Environmental and Marine Studies
dc.relationMediterranean Institute for Agriculture, Environment and Development
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S0926669020309080?via%3Dihub
dc.relation.ispartofIndustrial Crops and Products
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectCupressus lusitanica
dc.subjectCistus ladanifer
dc.subjectForest wastes
dc.subjectSteam-distillation by-products
dc.subjectPhenolic compounds
dc.subjectBiorefinery
dc.titleBioproducts from forest biomass II. Bioactive compounds from the steam-distillation by-products of Cupressus lusitanica Mill. and Cistus ladanifer L. wasteseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleVALORIZAÇÃO DE RECURSOS ENDÓGENOS DE BIOMASSA FLORESTAL SUBAPROVEITADA
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardTitleCentre for Environmental and Marine Studies
oaire.awardTitleMediterranean Institute for Agriculture, Environment and Development
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBDE%2F110279%2F2015/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50017%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50017%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05183%2F2020/PT
oaire.citation.endPage9
oaire.citation.startPage1
oaire.citation.titleIndustrial Crops and Products
oaire.citation.volume158
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMartins
person.givenNameAlice
person.identifier.ciencia-idDA19-728A-9BC8
person.identifier.orcid0000-0002-0542-2662
person.identifier.scopus-author-id56013514200
project.funder.identifierhttp://doi.org/10.13039/501100001871
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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
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Bioproducts from forest biomass II. Bioactive compounds from the steam-distillation by-products of Cupressus lusitanica Mill. and Cistus ladanifer L. wastes.pdf
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Obtaining essential oils and hydrolates from underutilized biomass is an economic and sustainable way for production of these high added-value bioproducts. However, this process still generates large amounts of residues as the by-products obtained during distillation, which can be a concern for the environment, but also adequate substrates for other applications. Considering this fact, the waste distilled by-products remaining after steam-distillation of underutilized biomass from Cupressus lusitanica and Cistus ladanifer, were evaluated as a natural source of other high value products with biological activities, namely, phenolic compounds. Thus, the remaining extracted solid residues (ESRs) were characterized and subject to further treatments by ultrasound-assisted extraction (UAE) with ethanol and 70 % acetone, in order to prepare phenolic-rich extracts thereof: ESRs(EtOH) and ESRs(70 % Ace). Together with the distiller condensation waters (DCWs), these extracts were characterized for their phenolic content (total phenols, tannins and flavonoids). Their antioxidant activity was also evaluated by different methodologies. The phenolic profile of DCWs, ESRs(EtOH) and ESRs(70 % Ace) from both waste species was obtained by capillary zone electrophoresis (CZE) and phenolic compounds were tentatively identified. Results obtained for C. lusitanica biomass are here disclosed for the first time. Generally, all samples revealed to be rich in phenolic compounds, being C. ladanifer biomass the one with higher phenolic content. DCWs presented values of 140 mgGAE/g for C. lusitanica and 210 mg GAE/g for C. ladanifer, from which ca. 60 % were tannins. Extracts obtained with 70 % acetone were the ones with the highest results, except for the antioxidant activity by xanthine oxidase and superoxide inhibition, which was higher in DCWs. Catechins were the major compounds found for both species, but gallocatechins and gallic acid were only identified in C. ladanifer. Hydroxycinnamic acid derivatives and salicylic acid were also identified in C. ladanifer, partly justifying the anti-inflammatory effect referred for this species.
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