Antiviral and antioxidant properties of active alginate edible films containing phenolic extracts
In this work, novel active edible films having antiviral activity were developed through the solvent casting method. Emulsified edible films were prepared by adding lipids into alginate films in order to improve their water vapour permeability. In addition, two natural extracts rich in phenolic compounds, specifically a green tea extract (GTE) and a grape seed extract (GSE) were used as active agents. Interestingly, incorporating GTE or GSE within the biopolymer matrix, the films exhibited significant antiviral activity against murine norovirus (MNV) and hepatitis A virus (HAV) since ∼2 log reduction were recorded for the 0.75 g extract/g alginate in the film, being GTE more efficient than GSE. Furthermore, the incorporation of phenolic compounds imparted antioxidant capacity to the active films, showing 14.79 ± 0.25 and 3.50 ± 0.25 mM Trolox⋅ g extract in the film−1 for 0.75 GTE and 0.75 GSE films, respectively. It was also found that water barrier efficiency improved upon addition of the highest amount of GTE or GSE (1:0.75 alginate:extract ratio) which was ascribed to molecular interactions between the films' components, as demonstrated by infrared spectroscopy assays.
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Format: | artículo biblioteca |
Language: | English |
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Elsevier
2018-02-23
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Subjects: | Enteric viruses, Active packaging, Edible films, Grape seed extract (GSE), Green tee extract (GTE), |
Online Access: | http://hdl.handle.net/10261/162633 |
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dig-iata-es-10261-1626332022-12-20T16:50:52Z Antiviral and antioxidant properties of active alginate edible films containing phenolic extracts Fabra, María José Falcó, Irene Randazzo, Walter Sánchez Moragas, Gloria López-Rubio, Amparo Enteric viruses Active packaging Edible films Grape seed extract (GSE) Green tee extract (GTE) In this work, novel active edible films having antiviral activity were developed through the solvent casting method. Emulsified edible films were prepared by adding lipids into alginate films in order to improve their water vapour permeability. In addition, two natural extracts rich in phenolic compounds, specifically a green tea extract (GTE) and a grape seed extract (GSE) were used as active agents. Interestingly, incorporating GTE or GSE within the biopolymer matrix, the films exhibited significant antiviral activity against murine norovirus (MNV) and hepatitis A virus (HAV) since ∼2 log reduction were recorded for the 0.75 g extract/g alginate in the film, being GTE more efficient than GSE. Furthermore, the incorporation of phenolic compounds imparted antioxidant capacity to the active films, showing 14.79 ± 0.25 and 3.50 ± 0.25 mM Trolox⋅ g extract in the film−1 for 0.75 GTE and 0.75 GSE films, respectively. It was also found that water barrier efficiency improved upon addition of the highest amount of GTE or GSE (1:0.75 alginate:extract ratio) which was ascribed to molecular interactions between the films' components, as demonstrated by infrared spectroscopy assays. M.J. Fabra is recipient of a Ramon y Cajal (RYC-2014-158) contract from the Spanish Ministry of Economy, Industry and Competitiveness. Authors would also like to thank the Central Support Service for Experimental Research (SCSIE) of the University of Valencia for the electron microscopy service. Peer reviewed 2018-03-21T11:52:43Z 2018-03-21T11:52:43Z 2018-02-23 artículo http://purl.org/coar/resource_type/c_6501 Food Hydrocolloids 81: 96-103 0268-005X http://hdl.handle.net/10261/162633 10.1016/j.foodhyd.2018.02.026 en Postprint https://doi.org/10.1016/j.foodhyd.2018.02.026 Sí open Elsevier |
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Enteric viruses Active packaging Edible films Grape seed extract (GSE) Green tee extract (GTE) Enteric viruses Active packaging Edible films Grape seed extract (GSE) Green tee extract (GTE) |
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Enteric viruses Active packaging Edible films Grape seed extract (GSE) Green tee extract (GTE) Enteric viruses Active packaging Edible films Grape seed extract (GSE) Green tee extract (GTE) Fabra, María José Falcó, Irene Randazzo, Walter Sánchez Moragas, Gloria López-Rubio, Amparo Antiviral and antioxidant properties of active alginate edible films containing phenolic extracts |
description |
In this work, novel active edible films having antiviral activity were developed through the solvent casting method. Emulsified edible films were prepared by adding lipids into alginate films in order to improve their water vapour permeability. In addition, two natural extracts rich in phenolic compounds, specifically a green tea extract (GTE) and a grape seed extract (GSE) were used as active agents. Interestingly, incorporating GTE or GSE within the biopolymer matrix, the films exhibited significant antiviral activity against murine norovirus (MNV) and hepatitis A virus (HAV) since ∼2 log reduction were recorded for the 0.75 g extract/g alginate in the film, being GTE more efficient than GSE. Furthermore, the incorporation of phenolic compounds imparted antioxidant capacity to the active films, showing 14.79 ± 0.25 and 3.50 ± 0.25 mM Trolox⋅ g extract in the film−1 for 0.75 GTE and 0.75 GSE films, respectively. It was also found that water barrier efficiency improved upon addition of the highest amount of GTE or GSE (1:0.75 alginate:extract ratio) which was ascribed to molecular interactions between the films' components, as demonstrated by infrared spectroscopy assays. |
format |
artículo |
topic_facet |
Enteric viruses Active packaging Edible films Grape seed extract (GSE) Green tee extract (GTE) |
author |
Fabra, María José Falcó, Irene Randazzo, Walter Sánchez Moragas, Gloria López-Rubio, Amparo |
author_facet |
Fabra, María José Falcó, Irene Randazzo, Walter Sánchez Moragas, Gloria López-Rubio, Amparo |
author_sort |
Fabra, María José |
title |
Antiviral and antioxidant properties of active alginate edible films containing phenolic extracts |
title_short |
Antiviral and antioxidant properties of active alginate edible films containing phenolic extracts |
title_full |
Antiviral and antioxidant properties of active alginate edible films containing phenolic extracts |
title_fullStr |
Antiviral and antioxidant properties of active alginate edible films containing phenolic extracts |
title_full_unstemmed |
Antiviral and antioxidant properties of active alginate edible films containing phenolic extracts |
title_sort |
antiviral and antioxidant properties of active alginate edible films containing phenolic extracts |
publisher |
Elsevier |
publishDate |
2018-02-23 |
url |
http://hdl.handle.net/10261/162633 |
work_keys_str_mv |
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_version_ |
1777670056506818560 |