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.
Main Authors: | Fabra, María José, Falcó, Irene, Randazzo, Walter, Sánchez Moragas, Gloria, López-Rubio, Amparo |
---|---|
Format: | artículo biblioteca |
Language: | English |
Published: |
Elsevier
2018-02-23
|
Subjects: | Enteric viruses, Active packaging, Edible films, Grape seed extract (GSE), Green tee extract (GTE), |
Online Access: | http://hdl.handle.net/10261/162633 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Similar Items
-
Antiviral activity of alginate-oleic acid based coatings incorporating green tea extract on strawberries and raspberries
by: Falcó, Irene, et al.
Published: (2018-08-31) -
Agar films containing green tea extract and probiotic bacteria for extending fish shelf-life
by: Lacey, Antonio L. de, et al.
Published: (2014) -
Integral Mastocarpus stellatus use for antioxidant edible film development
by: Blanco Pascual, Nuria, et al.
Published: (2014) -
Effect of green tea extract on enteric viruses and its application as natural sanitizer
by: Randazzo, Walter, et al.
Published: (2017-05-03) -
Phytochemical-loaded electrospun nanofibers as novel active edible films: Characterization and antibacterial efficiency in cheese slices
by: Göksen, Gülden, et al.
Published: (2020-01-23)