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Hydroxytyrosol as Active Ingredient in Poly(vinyl alcohol) Films for Food Packaging Applications

Elena Fortunati1*, Francesca Luzi1, Chiara Fanali2, Laura Dugo2, Maria Giovanna Belluomo2, Luigi Torre1, José Maria Kenny1, Luca Santi3, Roberta Bernini3

Civil and Environmental Engineering Department, UdR INSTM, University of Perugia, Strada di Pentima 4, 05100 Terni, Italy
Center of Integrated Research (CIR), University Campus Bio-Medico of Rome, Via Alvaro del Portillo 21, 00128 Rome, Italy
Department of Agricultural and Forestry Sciences (DAFNE), University of Tuscia, Via S. Camillo de Lellis, 01100 Viterbo, Italy

*Corresponding author: email

Journal of Renewable Materials 2017, 5(2), 81-95.


Hydroxytyrosol (HTyr), a biophenol found in extra-virgin olive oil or olive oil by-products, well known for its strong antioxidant activity, was used as active ingredient for poly(vinyl alcohol) (PVA) matrix to develop film formulations by solvent casting process. The effect of HTyr on the morphological, thermal stability, optical, mechanical and release properties of PVA were investigated, while water absorption capacity, migration with food stimulants, water vapor permeability and antioxidant properties were tested taking into account the final application as food packaging systems. Morphological investigations evidenced homogeneity of all PVA/HTyr films, while the presence of HTyr clearly accounted for an increase of the crystallinity degree of the polymer matrix and also for providing antioxidant activity of the final films. The successful development of novel, environmentally friendly, safe active food packaging materials as an alternative to that which is petroleum based represents solid ground for product improvement and future testing on food.


Cite This Article

Fortunati, E., Luzi, F., Fanali, C., Dugo, L., Belluomo, M. G. et al. (2017). Hydroxytyrosol as Active Ingredient in Poly(vinyl alcohol) Films for Food Packaging Applications. Journal of Renewable Materials, 5(2), 81–95.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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