Knowledge Agora

Title	Chitosan Film Functionalized with Grape Seed Oil-Preliminary Evaluation of Antimicrobial Activity
ID_Doc	9067
Authors	Mauro, M; Pinto, P; Settanni, L; Puccio, V; Vazzana, M; Hornsby, BL; Fabbrizio, A; Di Stefano, V; Barone, G; Arizza, V
Title	Chitosan Film Functionalized with Grape Seed Oil-Preliminary Evaluation of Antimicrobial Activity
Year	2022
Published	Sustainability, 14.0, 9
Abstract	Although the fishing and wine industries undoubtedly contribute significantly to the economy, they also generate large waste streams with considerable repercussions on both economic and environmental levels. Scientific literature has shown products can be extracted from these streams which have properties of interest to the cosmetics, pharmaceutical and food industries. Antimicrobial activity is undoubtedly among the most interesting of these properties, and particularly useful in the production of food packaging to increase the shelf life of food products. In this study, film for food packaging was produced for the first time using chitosan extracted from the exoskeletons of red shrimp (Aristomorpha foliacea) and oil obtained from red grape seeds (Vitis vinifera). The antimicrobial activity of two films was analyzed: chitosan-only film and chitosan film with the addition of red grape seed oil at two different concentrations (0.5 mL and 1 mL). Our results showed noteworthy antimicrobial activity resulting from functionalized chitosan films; no activity was observed against pathogen and spoilage Gram-positive and Gram-negative bacteria, although the antimicrobial effects observed were species-dependent. The preliminary results of this study could contribute to developing the circular economy, helping to promote the reuse of waste to produce innovative films for food packaging.
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