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NaY-Ag Zeolite Chitosan Coating Kraft Paper Applied as Ethylene Scavenger Packaging

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Abstract

Cellulosic packaging containing an active and sustainable coating can prolong the shelf-life of cherry tomatoes, maintaining the nutritional composition and physical integrity. A new and sustainable active material packaging was developed based on the silver-impregnated-zeolite incorporation into chitosan Kraft paper coating. Zeolite (NaY) was modified by cation exchange with silver ion (NaY-Ag) and incorporated into a chitosan filmogenic matrix, forming an active coating on the Kraft paper surface. The active coating paper formulation was defined using an experimental design 22 + central points with independent variables: chitosan concentration (1–2%, w/w) and NaY-Ag zeolite concentration (0.2–1.2% w/w). The efficiency of the ethylene scavenger active packaging material was evaluated by packing a perishable fruit (cherry tomato) and conditioning it for 30 days at 25 ± 2 °C. The cherry tomatoes conditioned in active coating paper presented a weight loss reduction of 29% and maintenance of the texture associated with the adsorption capacity of ethylene gas. After 30 days of storage, the a* color parameter increased by 39%, compared to fruits packed in uncoated packages, which increased the a* values by 79%, indicating a slower rate of ripening of cherry tomatoes packed in the active silver-impregnated zeolite NaY chitosan coating on Kraft paper material. The active packaging systems developed showed a tendency to reduce the ripening rate of the fruit, controlling the ethylene concentration in the headspace, and also could contribute to minimizing the impact that synthetic polymer coatings have on paper degradation, presenting a sustainable characteristic.

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Data Availability

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

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Funding

This study was supported by São Paulo Research Foundation – FAPESP (Grant #2016/25120–7, 2016/21073–4) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES)—Finance Code 001.

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Thalita R. P. Soares was responsible for carrying out the formal analysis, investigation, validation, visualization, and writing the main manuscript text; Andresa F. Reis, Jackson W. S. dos Santos, and Eduardo G. L. Chagas were responsible for validation, editing and writing the main manuscript text; Moises Bastos-Neto, Rodrigo Silveira Vieira, and Rafaelle G. Santiago were responsible by analysis and revising the manuscript; Rosemary A. Carvalho and Anna C. Venturini were responsible by writing-review, editing, and methodology; Classius F. da Silva was responsible by carrying out the conceptualization, methodology, investigation, validation, and writing-review; Cristiana M. P. Yoshida was responsible by conceptualization, supervision, investigation, validation, writing-review, and editing. All authors reviewed the manuscript.

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Correspondence to Cristiana M. P. Yoshida.

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Soares, T.R.P., Reis, A.F., dos Santos, J.W.S. et al. NaY-Ag Zeolite Chitosan Coating Kraft Paper Applied as Ethylene Scavenger Packaging. Food Bioprocess Technol 16, 1101–1115 (2023). https://doi.org/10.1007/s11947-022-02989-9

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  • DOI: https://doi.org/10.1007/s11947-022-02989-9

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