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Onion (Allium cepa L.) Skin: A Rich Resource of Biomolecules for the Sustainable Production of Colored Biofunctional Textiles

The aqueous extract of dry onion skin waste from the ‘Dorata di Parma’ cultivar was tested as a new source of biomolecules for the production of colored and biofunctional wool yarns, through environmentally friendly dyeing procedures. Specific attention was paid to the antioxidant and UV protection...

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Autores principales: Pucciarini, Lucia, Ianni, Federica, Petesse, Valentina, Pellati, Federica, Brighenti, Virginia, Volpi, Claudia, Gargaro, Marco, Natalini, Benedetto, Clementi, Catia, Sardella, Roccaldo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6384785/
https://www.ncbi.nlm.nih.gov/pubmed/30754712
http://dx.doi.org/10.3390/molecules24030634
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author Pucciarini, Lucia
Ianni, Federica
Petesse, Valentina
Pellati, Federica
Brighenti, Virginia
Volpi, Claudia
Gargaro, Marco
Natalini, Benedetto
Clementi, Catia
Sardella, Roccaldo
author_facet Pucciarini, Lucia
Ianni, Federica
Petesse, Valentina
Pellati, Federica
Brighenti, Virginia
Volpi, Claudia
Gargaro, Marco
Natalini, Benedetto
Clementi, Catia
Sardella, Roccaldo
author_sort Pucciarini, Lucia
collection PubMed
description The aqueous extract of dry onion skin waste from the ‘Dorata di Parma’ cultivar was tested as a new source of biomolecules for the production of colored and biofunctional wool yarns, through environmentally friendly dyeing procedures. Specific attention was paid to the antioxidant and UV protection properties of the resulting textiles. On the basis of spectrophotometric and mass spectrometry analyses, the obtained deep red-brown color was assigned to quercetin and its glycoside derivatives. The Folin–Ciocalteu method revealed good phenol uptakes on the wool fiber (higher than 27% for the textile after the first dyeing cycle), with respect to the original total content estimated in the water extract (78.50 ± 2.49 mg equivalent gallic acid/g onion skin). The manufactured materials showed remarkable antioxidant activity and ability to protect human skin against lipid peroxidation following UV radiation: 7.65 ± 1.43 (FRAP assay) and 13.60 (ORAC assay) mg equivalent trolox/g textile; lipid peroxidation inhibition up to 89.37%. This photoprotective and antioxidant activity were therefore ascribed to the polyphenol pool contained in the outer dried gold skins of onion. It is worth noting that citofluorimetric analysis demonstrated that the aqueous extract does not have a significative influence on cell viability, neither is capable of inducing a proapoptotic effect.
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spelling pubmed-63847852019-02-23 Onion (Allium cepa L.) Skin: A Rich Resource of Biomolecules for the Sustainable Production of Colored Biofunctional Textiles Pucciarini, Lucia Ianni, Federica Petesse, Valentina Pellati, Federica Brighenti, Virginia Volpi, Claudia Gargaro, Marco Natalini, Benedetto Clementi, Catia Sardella, Roccaldo Molecules Article The aqueous extract of dry onion skin waste from the ‘Dorata di Parma’ cultivar was tested as a new source of biomolecules for the production of colored and biofunctional wool yarns, through environmentally friendly dyeing procedures. Specific attention was paid to the antioxidant and UV protection properties of the resulting textiles. On the basis of spectrophotometric and mass spectrometry analyses, the obtained deep red-brown color was assigned to quercetin and its glycoside derivatives. The Folin–Ciocalteu method revealed good phenol uptakes on the wool fiber (higher than 27% for the textile after the first dyeing cycle), with respect to the original total content estimated in the water extract (78.50 ± 2.49 mg equivalent gallic acid/g onion skin). The manufactured materials showed remarkable antioxidant activity and ability to protect human skin against lipid peroxidation following UV radiation: 7.65 ± 1.43 (FRAP assay) and 13.60 (ORAC assay) mg equivalent trolox/g textile; lipid peroxidation inhibition up to 89.37%. This photoprotective and antioxidant activity were therefore ascribed to the polyphenol pool contained in the outer dried gold skins of onion. It is worth noting that citofluorimetric analysis demonstrated that the aqueous extract does not have a significative influence on cell viability, neither is capable of inducing a proapoptotic effect. MDPI 2019-02-11 /pmc/articles/PMC6384785/ /pubmed/30754712 http://dx.doi.org/10.3390/molecules24030634 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Pucciarini, Lucia
Ianni, Federica
Petesse, Valentina
Pellati, Federica
Brighenti, Virginia
Volpi, Claudia
Gargaro, Marco
Natalini, Benedetto
Clementi, Catia
Sardella, Roccaldo
Onion (Allium cepa L.) Skin: A Rich Resource of Biomolecules for the Sustainable Production of Colored Biofunctional Textiles
title Onion (Allium cepa L.) Skin: A Rich Resource of Biomolecules for the Sustainable Production of Colored Biofunctional Textiles
title_full Onion (Allium cepa L.) Skin: A Rich Resource of Biomolecules for the Sustainable Production of Colored Biofunctional Textiles
title_fullStr Onion (Allium cepa L.) Skin: A Rich Resource of Biomolecules for the Sustainable Production of Colored Biofunctional Textiles
title_full_unstemmed Onion (Allium cepa L.) Skin: A Rich Resource of Biomolecules for the Sustainable Production of Colored Biofunctional Textiles
title_short Onion (Allium cepa L.) Skin: A Rich Resource of Biomolecules for the Sustainable Production of Colored Biofunctional Textiles
title_sort onion (allium cepa l.) skin: a rich resource of biomolecules for the sustainable production of colored biofunctional textiles
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6384785/
https://www.ncbi.nlm.nih.gov/pubmed/30754712
http://dx.doi.org/10.3390/molecules24030634
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