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Chemical characterization and bioactive properties of wine lees and diatomaceous earth towards the valorization of underexploited residues as potential cosmeceuticals

2023Journal article Open access
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dc.contributor.authorDuarte, Cristina Nogueira
dc.contributor.authorTaofiq, Oludemi
dc.contributor.authorDias, Maria Inês
dc.contributor.authorHeleno, Sandrina A.
dc.contributor.authorSantos-Buelga, Celestino
dc.contributor.authorBarros, Lillian
dc.contributor.authorAmaral, Joana S.
dc.date.accessioned2014-10-27T16:34:36Z
dc.date.available2014-10-27T16:34:36Z
dc.date.issued2023
dc.description.abstractAnnually, wine production is responsible for generating large quantities of residues, which are frequently disposed of and not valorized. So far, different studies have been conducted on grape pomace, yet less attention has been paid to other residues, such as wine lees and diatomaceous earth used in wine filtration. In this context, this study aimed to evaluate and compare the phenolic profile of these underexploited winemaking residues and assess their biological potential based on their antioxidant, antimicrobial, cytotoxic, and anti-aging activities (inhibition of tyrosinase and collagenase). Twenty-nine phenolic compounds, including twelve anthocyanins, were tentatively identified in the residues, with red grape pomace showing the highest diversity of compounds. The diatomaceous earth presented the highest content of non-anthocyanin phenolic compounds, being particularly rich in flavan-3-ols and myricetin-O-hexoside, and also presenting two anthocyanins. This sample also showed a high antioxidant activity, evidencing the best result in the reducing power assay. The red wine lees extract, despite showing a low content of phenolic compounds and less antioxidant activity, presented the highest inhibition capacity of bacteria growth. The extracts did not exhibit cytotoxicity against keratinocyte (up to 400 mu g/mL) and fibroblast (up to 100 mu g/mL) skin cell lines. However, the capacity of inhibiting tyrosinase and collagenase was low for the lees and diatomaceous earth, contrary to the grape pomace, seeds, and skins extracts that showed promising results, evidencing its potential as a cosmeceutical. Overall, this study highlights for the first time the potential of diatomaceous earth, an underexploited winemaking waste, in the obtention of added-value extracts and/or ingredients for cosmetic industry.por
dc.identifier.citationDuarte, Cristina Nogueira; Taofiq, Oludemi; Dias, Maria Inês; Heleno, Sandrina A.; Santos-Buelga, Celestino; Barros, Lillian; Amaral, Joana S. (2023). Chemical characterization and bioactive properties of wine lees and diatomaceous earth towards the valorization of underexploited residues as potential cosmeceuticals. Cosmetics. eISSN 2079-9284. 10:2, p. 1-19por
dc.identifier.doi10.3390/cosmetics10020058
dc.identifier.eissn2079-9284
dc.identifier.urihttp://hdl.handle.net/10198/11072
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherMDPI
dc.subjectWinemaking residuespor
dc.subjectAntioxidant activitypor
dc.subjectSkin enzymes
dc.subjectKeratinocytes
dc.subjectFibroblast
dc.titleChemical characterization and bioactive properties of wine lees and diatomaceous earth towards the valorization of underexploited residues as potential cosmeceuticalspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleCosmeticspor
person.familyNameDias
person.familyNameHeleno
person.familyNameBarros
person.familyNameSoares Amaral
person.givenNameMaria Inês
person.givenNameSandrina A.
person.givenNameLillian
person.givenNameJoana Andrêa
person.identifier469085
person.identifier.ciencia-id2A13-4BE6-C7CF
person.identifier.ciencia-id8B18-3095-6FC9
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id5319-7DE8-BEDA
person.identifier.orcid0000-0001-8744-7814
person.identifier.orcid0000-0001-7224-1098
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0002-3648-7303
person.identifier.ridM-8242-2013
person.identifier.ridL-5951-2014
person.identifier.ridJ-3600-2013
person.identifier.scopus-author-id54388787000
person.identifier.scopus-author-id30067731800
person.identifier.scopus-author-id35236343600
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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relation.isAuthorOfPublicatione89b5bf5-d315-49b6-871e-fa8eb6030676
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relation.isAuthorOfPublication.latestForDiscovery7ca8432b-e7f4-4116-a56e-9eba0d4403bd

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