Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10773/37517 |
Resumo: | Leaves from Vitis vinifera L. contain potential bioactive compounds, namely: long chain aliphatic alcohols (e.g., 1-hexacosanol, 1-octacosanol and 1-triacontanol), α-tocopherol, β-sitosterol, and the triterpenes β-amyrin and lupeol. Supercritical fluid extraction (SFE) runs were measured at lab scale using: crushed and ground biomass; pure CO2 at 300 bar and 40−80 °C; and CO2 modified with 5 and 10 wt.% of ethanol or ethyl acetate. Total SFE yields ranged from 1.86 to 7.52 wt.%. The broken plus intact cells model (BICM), provided a good fitting of the SFE curves with 4.06 % error for total yield and 1.98–5.49 % for the individual yields of the said compounds. The BICM results revealed that the SFE is limited by intraparticle diffusion. Remarkable experimental and calculated selectivities were obtained for triterpenes (lupeol and β-amyrin), starting with a score of 1.7 and increasing along time to 10−100. |
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Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compoundsBIC modelingGC–MSSoxhlet extractionSupercritical fluid extractionVine leavesLeaves from Vitis vinifera L. contain potential bioactive compounds, namely: long chain aliphatic alcohols (e.g., 1-hexacosanol, 1-octacosanol and 1-triacontanol), α-tocopherol, β-sitosterol, and the triterpenes β-amyrin and lupeol. Supercritical fluid extraction (SFE) runs were measured at lab scale using: crushed and ground biomass; pure CO2 at 300 bar and 40−80 °C; and CO2 modified with 5 and 10 wt.% of ethanol or ethyl acetate. Total SFE yields ranged from 1.86 to 7.52 wt.%. The broken plus intact cells model (BICM), provided a good fitting of the SFE curves with 4.06 % error for total yield and 1.98–5.49 % for the individual yields of the said compounds. The BICM results revealed that the SFE is limited by intraparticle diffusion. Remarkable experimental and calculated selectivities were obtained for triterpenes (lupeol and β-amyrin), starting with a score of 1.7 and increasing along time to 10−100.Elsevier2023-05-05T08:30:33Z2020-11-01T00:00:00Z2020-11-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10773/37517eng0896-844610.1016/j.supflu.2020.104959de Melo, Marcelo M.R.Carius, BenedictSimões, Mário M.Q.Portugal, InêsSaraiva, JorgeSilva, Carlos M.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-02-22T12:12:31Zoai:ria.ua.pt:10773/37517Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:08:08.557485Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds |
title |
Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds |
spellingShingle |
Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds de Melo, Marcelo M.R. BIC modeling GC–MS Soxhlet extraction Supercritical fluid extraction Vine leaves |
title_short |
Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds |
title_full |
Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds |
title_fullStr |
Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds |
title_full_unstemmed |
Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds |
title_sort |
Supercritical CO2 extraction of V. vinifera leaves: influence of cosolvents and particle size on removal kinetics and selectivity to target compounds |
author |
de Melo, Marcelo M.R. |
author_facet |
de Melo, Marcelo M.R. Carius, Benedict Simões, Mário M.Q. Portugal, Inês Saraiva, Jorge Silva, Carlos M. |
author_role |
author |
author2 |
Carius, Benedict Simões, Mário M.Q. Portugal, Inês Saraiva, Jorge Silva, Carlos M. |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
de Melo, Marcelo M.R. Carius, Benedict Simões, Mário M.Q. Portugal, Inês Saraiva, Jorge Silva, Carlos M. |
dc.subject.por.fl_str_mv |
BIC modeling GC–MS Soxhlet extraction Supercritical fluid extraction Vine leaves |
topic |
BIC modeling GC–MS Soxhlet extraction Supercritical fluid extraction Vine leaves |
description |
Leaves from Vitis vinifera L. contain potential bioactive compounds, namely: long chain aliphatic alcohols (e.g., 1-hexacosanol, 1-octacosanol and 1-triacontanol), α-tocopherol, β-sitosterol, and the triterpenes β-amyrin and lupeol. Supercritical fluid extraction (SFE) runs were measured at lab scale using: crushed and ground biomass; pure CO2 at 300 bar and 40−80 °C; and CO2 modified with 5 and 10 wt.% of ethanol or ethyl acetate. Total SFE yields ranged from 1.86 to 7.52 wt.%. The broken plus intact cells model (BICM), provided a good fitting of the SFE curves with 4.06 % error for total yield and 1.98–5.49 % for the individual yields of the said compounds. The BICM results revealed that the SFE is limited by intraparticle diffusion. Remarkable experimental and calculated selectivities were obtained for triterpenes (lupeol and β-amyrin), starting with a score of 1.7 and increasing along time to 10−100. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-11-01T00:00:00Z 2020-11-01 2023-05-05T08:30:33Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10773/37517 |
url |
http://hdl.handle.net/10773/37517 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
0896-8446 10.1016/j.supflu.2020.104959 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
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1799137735084081152 |