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Development of bio-based chitosan films with incorporated chestnut extract

Bajić, M; Novak, U; Likozar, B; (2019) Development of bio-based chitosan films with incorporated chestnut extract. In: Proceedings of the 5th World Congress on Mechanical, Chemical, and Material Engineering (MCM'19). Avestia Publishing: Lisbon, Portugal. Green open access

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Abstract

Hydrolysable tannins have prominent biological activity and thus their industrial application is gaining importance in many fields. This study explored the possibility for the utilization of a commercially available chestnut extract (CE) as an active component in chitosan-based films intended for food packaging. Therefore, a set of chitosan-based films with incorporated CE was prepared and evaluated regarding physicochemical properties. The estimated total phenolic content (TPC) has revealed a maximal value of 19.5 mgGAE gfilm-1. Moreover, the moisture content (MC) in the films has decreased (from 29.6% to 18.6%), while tensile strength (TS) has increased (from 13.5 MPa to 48.5 MPa) after the incorporation of CE. The observed coherence between TPC and evaluated properties has been confirmed by the existence of strong negative and positive linear correlations in the case of MC and TS, respectively. In large, CE extract was found to be a promising candidate as an active component in chitosan-based films.

Type: Proceedings paper
Title: Development of bio-based chitosan films with incorporated chestnut extract
Event: The 5th World Congress on Mechanical, Chemical, and Material Engineering
ISBN-13: 978-1-927877-61-6
Open access status: An open access version is available from UCL Discovery
DOI: 10.11159/iccpe19.107
Publisher version: https://avestia.com/MCM2019_Proceedings/files/pape...
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Chitosan; Chestnut extract; Total phenolic content; Moisture content; Tensile strength; Food packaging
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Biochemical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10119999
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