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Polymers
Volume 18
Issue 2
10.3390/polym18020252
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Article

Application of Brassica juncea and Raphanus sativus Sprout Extracts as Active Agents in Chitosan-Based Edible Coatings: Evaluation of Physicochemical and Biological Properties

by
Arash Moeini
1,*,
Roméo Arago Dougué Kentsop
2,
Aspen Beals
1,
Monica Mattana
2,
Massimiliano Marvasi
3,
Lucie Coquard
4,
Marianna Gregorio
3,
Judyta Cielecka-Piontek
5,
Annamaria Genga
2,
Aleksandra Nesic
6,
Giovanna Lo Vecchio
7,
Sarai Agustin Salazar
7,
Thomas Becker
1 and
Pierfrancesco Cerruti
7
1
Chair of Brewing and Beverage Technology, TUM School of Life Sciences, Technical University of Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
2
Institute of Agricultural Biology and Biotechnology, National Research Council of Italy (CNR-IBBA), Via Alfonso Corti 12, 20133 Milan, Italy
3
Department of Biology, University of Florence, Via Madonna del Piano 6, Sesto Fiorentino, 50019 Florence, Italy
4
Clermont Auvergne INP, Université Clermont Auvergne, 27 rue Roche Genès, 63170 Aubière, France
5
Department of Pharmacognosy and Biomaterials, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
6
Vinca Institute of Nuclear Sciences, University of Belgrade, Mike Petrovica Alasa 12-14, 11351 Belgrade, Serbia
7
Institute of Polymers, Composites and Biomaterials (CNR-IPCB), Via Campi Flegrei 34, 80078 Pozzuoli, Italy
*
Author to whom correspondence should be addressed.
Polymers 2026, 18(2), 252; https://doi.org/10.3390/polym18020252 (registering DOI)
Submission received: 26 December 2025 / Revised: 12 January 2026 / Accepted: 14 January 2026 / Published: 16 January 2026
(This article belongs to the Special Issue Advances and Innovations in Biopolymer Applications for Sustainable Packaging Solutions)
Versions Notes

Abstract

The use of natural bioactive compounds in edible coatings provides a sustainable approach to reducing food spoilage and meeting consumer demand for safer food preservation. In this study, bioactive extracts from Brassica juncea (green mustard, GM) and Raphanus sativus (radish tango, RT) sprouts were encapsulated into zein/chitosan (Z/CH) microparticles (MPs) using a complex coacervation–based encapsulation approach. The encapsulated microparticles (MPs), characterized by FTIR and UV-Vis spectroscopy, demonstrated a high loading efficiency of up to 90% and maintained their antioxidant activity for up to 168 h. TGA and SEM tests confirmed that the edible films produced by incorporating these microparticles (MPs) into polyvinyl alcohol (PVA) and chitosan (CH) matrices had a more uniform microstructure and enhanced heat stability. The Z/CH/RT6:PVA (1:2) and Z/CH/GM6:CH (1:1) formulations of the films showed significant antioxidant and antibacterial action, with up to 22.4% DPPH inhibition and a 1-log decrease in Salmonella enterica CFU, respectively. Overall, the results underscore the promise of sprout-derived microparticles as components for developing active, biodegradable packaging films with improved functional properties.
Keywords: biopolymers; encapsulation; antioxidant activity; sprout extracts; antimicrobial activity biopolymers; encapsulation; antioxidant activity; sprout extracts; antimicrobial activity

Share and Cite

MDPI and ACS Style

Moeini, A.; Kentsop, R.A.D.; Beals, A.; Mattana, M.; Marvasi, M.; Coquard, L.; Gregorio, M.; Cielecka-Piontek, J.; Genga, A.; Nesic, A.; et al. Application of Brassica juncea and Raphanus sativus Sprout Extracts as Active Agents in Chitosan-Based Edible Coatings: Evaluation of Physicochemical and Biological Properties. Polymers 2026, 18, 252. https://doi.org/10.3390/polym18020252

AMA Style

Moeini A, Kentsop RAD, Beals A, Mattana M, Marvasi M, Coquard L, Gregorio M, Cielecka-Piontek J, Genga A, Nesic A, et al. Application of Brassica juncea and Raphanus sativus Sprout Extracts as Active Agents in Chitosan-Based Edible Coatings: Evaluation of Physicochemical and Biological Properties. Polymers. 2026; 18(2):252. https://doi.org/10.3390/polym18020252

Chicago/Turabian Style

Moeini, Arash, Roméo Arago Dougué Kentsop, Aspen Beals, Monica Mattana, Massimiliano Marvasi, Lucie Coquard, Marianna Gregorio, Judyta Cielecka-Piontek, Annamaria Genga, Aleksandra Nesic, and et al. 2026. "Application of Brassica juncea and Raphanus sativus Sprout Extracts as Active Agents in Chitosan-Based Edible Coatings: Evaluation of Physicochemical and Biological Properties" Polymers 18, no. 2: 252. https://doi.org/10.3390/polym18020252

APA Style

Moeini, A., Kentsop, R. A. D., Beals, A., Mattana, M., Marvasi, M., Coquard, L., Gregorio, M., Cielecka-Piontek, J., Genga, A., Nesic, A., Vecchio, G. L., Salazar, S. A., Becker, T., & Cerruti, P. (2026). Application of Brassica juncea and Raphanus sativus Sprout Extracts as Active Agents in Chitosan-Based Edible Coatings: Evaluation of Physicochemical and Biological Properties. Polymers, 18(2), 252. https://doi.org/10.3390/polym18020252

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