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Fabrication and characterization of cellulose acetate film containing Falcaria vulgaris extract

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Abstract

Nowadays, the use of packaging materials based on natural polymers reduces the use of synthetic materials that cause environmental pollution. For this reason, in the present study, the possibility of preparing biodegradable films from cellulose acetate incorporated with Falcaria vulgaris extract was investigated. Cellulose acetate films were produced by casting method and F. vulgaris extract was added in concentrations of 0.1, 0.2 and 0.3% (w/w). Physicochemichal, mechanical, antioxidant and antimicrobial properties of cellulose acetate films were evaluated. The results showed that the tensile strength, modulus of elasticity, vapor permeability, water absorption, swelling percentage and percentage of water content of the resulting films decreased with the increase of F. vulgaris extract concentration. In other words, the resulting films became weaker, which can be related to the intensification of the softening effect of F. vulgaris extract. The contact angle percentage of cellulose acetate film and cellulose acetate film with 0.3% extract were 59.32 ± 0.97, 65.47 ± 1.16, respectively. Cellulose acetate films containing F. vulgaris extract showed good antioxidant properties, namely the amount of DPPH radical trapping of cellulose acetate film with 0.3% extract equals 35.31% compared to cellulose acetate film (0.15%), which showed a significant increase. Furthermore, the produced films showed good antimicrobial properties against Escherichia coli, Staphylococcus aureus, Candida albicans and Candida glabrata. In general, this study showed that cellulose acetate film containing extract could be used for food packaging that increasing the shelf life of food.

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The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Contributions

ZH: Conceptualization (lead); writing–original draft (lead); formal analysis (lead). MG: Software (lead); writing–original draft (supporting); writing–review and editing (equal); MZ: Software (lead); writing–original draft (supporting); writing–review and editing (equal); methodology (lead); conceptualization (lead); AG: review and editing (equal); conceptualization (supporting). LR: review and editing (equal); conceptualization (supporting).

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Correspondence to Mohsen Zandi.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. The authors confirm that there are no known conflicts of interest (competing interests) associated with this publication and there has been no significant financial support for this work that could have influenced its outcome.

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Hassanloofard, Z., Gharekhani, M., Zandi, M. et al. Fabrication and characterization of cellulose acetate film containing Falcaria vulgaris extract. Cellulose 30, 6833–6853 (2023). https://doi.org/10.1007/s10570-023-05337-y

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  • DOI: https://doi.org/10.1007/s10570-023-05337-y

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