Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones

Detalhes bibliográficos
Autor(a) principal: Monteiro, Ângelo
Data de Publicação: 2020
Outros Autores: Colomban, Silvia, Azinheira, Helena, Guerra-Guimarães, Leonor, Silva, Maria do Céu, Navarini, Luciano, Resmini, Marina
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.5/19345
Resumo: Natural polyphenols are important dietary antioxidants that significantly benefit human health. Coffee and tea have been shown to largely contribute to the dietary intake of these antioxidants in several populations. More recently, the use of coffee leaves to produce tea has become a potential commercial target, therefore prompting studies on the quantification of polyphenols in coffee leaves. In this study a variety of coffee leaf species, at different development stages, were analyzed using ultra-high pressure liquid chromatography. The results demonstrate that both the botanical origin of the samples and their maturity influence significantly the concentration of the antioxidants; for total chlorogenic acids a two-fold difference was found between different species and up to a three-fold variation was observed between young and mature leaves. Furthermore, the range of concentrations of chlorogenic acids in young leaves (35.7–80.8 mg/g of dry matter) were found to be comparable to the one reported for green coffee beans. The results provide important data from which potential new commercial products can be developed
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spelling Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthonesantioxidantsalkaloidschlorogenic acidscoffee leavesleaf development stagesmangiferinxanthonesNatural polyphenols are important dietary antioxidants that significantly benefit human health. Coffee and tea have been shown to largely contribute to the dietary intake of these antioxidants in several populations. More recently, the use of coffee leaves to produce tea has become a potential commercial target, therefore prompting studies on the quantification of polyphenols in coffee leaves. In this study a variety of coffee leaf species, at different development stages, were analyzed using ultra-high pressure liquid chromatography. The results demonstrate that both the botanical origin of the samples and their maturity influence significantly the concentration of the antioxidants; for total chlorogenic acids a two-fold difference was found between different species and up to a three-fold variation was observed between young and mature leaves. Furthermore, the range of concentrations of chlorogenic acids in young leaves (35.7–80.8 mg/g of dry matter) were found to be comparable to the one reported for green coffee beans. The results provide important data from which potential new commercial products can be developedMDPIRepositório da Universidade de LisboaMonteiro, ÂngeloColomban, SilviaAzinheira, HelenaGuerra-Guimarães, LeonorSilva, Maria do CéuNavarini, LucianoResmini, Marina2020-01-20T11:39:49Z20202020-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/19345engAntioxidants 2020, 9, 610.3390/antiox9010006info: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:RCAAP2024-11-20T19:15:56Zoai:repositorio.ul.pt:10400.5/19345Portal AgregadorONGhttps://www.rcaap.pt/oai/openairemluisa.alvim@gmail.comopendoar:71602024-11-20T19:15:56Repositório 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 Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones
title Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones
spellingShingle Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones
Monteiro, Ângelo
antioxidants
alkaloids
chlorogenic acids
coffee leaves
leaf development stages
mangiferin
xanthones
title_short Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones
title_full Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones
title_fullStr Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones
title_full_unstemmed Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones
title_sort Dietary antioxidants in coffee leaves: impact of botanical origin and maturity on chlorogenic acids and xanthones
author Monteiro, Ângelo
author_facet Monteiro, Ângelo
Colomban, Silvia
Azinheira, Helena
Guerra-Guimarães, Leonor
Silva, Maria do Céu
Navarini, Luciano
Resmini, Marina
author_role author
author2 Colomban, Silvia
Azinheira, Helena
Guerra-Guimarães, Leonor
Silva, Maria do Céu
Navarini, Luciano
Resmini, Marina
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Monteiro, Ângelo
Colomban, Silvia
Azinheira, Helena
Guerra-Guimarães, Leonor
Silva, Maria do Céu
Navarini, Luciano
Resmini, Marina
dc.subject.por.fl_str_mv antioxidants
alkaloids
chlorogenic acids
coffee leaves
leaf development stages
mangiferin
xanthones
topic antioxidants
alkaloids
chlorogenic acids
coffee leaves
leaf development stages
mangiferin
xanthones
description Natural polyphenols are important dietary antioxidants that significantly benefit human health. Coffee and tea have been shown to largely contribute to the dietary intake of these antioxidants in several populations. More recently, the use of coffee leaves to produce tea has become a potential commercial target, therefore prompting studies on the quantification of polyphenols in coffee leaves. In this study a variety of coffee leaf species, at different development stages, were analyzed using ultra-high pressure liquid chromatography. The results demonstrate that both the botanical origin of the samples and their maturity influence significantly the concentration of the antioxidants; for total chlorogenic acids a two-fold difference was found between different species and up to a three-fold variation was observed between young and mature leaves. Furthermore, the range of concentrations of chlorogenic acids in young leaves (35.7–80.8 mg/g of dry matter) were found to be comparable to the one reported for green coffee beans. The results provide important data from which potential new commercial products can be developed
publishDate 2020
dc.date.none.fl_str_mv 2020-01-20T11:39:49Z
2020
2020-01-01T00:00:00Z
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/10400.5/19345
url http://hdl.handle.net/10400.5/19345
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Antioxidants 2020, 9, 6
10.3390/antiox9010006
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 MDPI
publisher.none.fl_str_mv MDPI
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
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection 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 mluisa.alvim@gmail.com
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