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Hydrogel-based systems with nanoparticle and microencapsulation for food preservation: Preparation, characterization,

Hui Zhou¹, Wenying Yuan¹, Chenfeng Xu¹

¹College of Food Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China.

Food Chemistry: X

|January 26, 2026

Summary

Advanced hydrogel systems combining nanoparticles and microencapsulated agents offer novel solutions for food preservation. These active and intelligent food packaging innovations combat spoilage and extend shelf life effectively.

Area of Science:

Food Science
Materials Science
Nanotechnology

Background:

Global food spoilage is a major issue caused by microbial growth and oxidation.
Current preservation methods require enhancement through advanced strategies.

Purpose of the Study:

To review the preparation, characterization, and applications of hydrogel-nanoparticle-microcapsule hybrid systems for food packaging.
To explore the synergistic mechanisms and functional benefits of these systems.

Main Methods:

Systematic review of existing literature on hybrid food packaging systems.
Analysis of nanoparticle (e.g., Ag, Cu, melanin NPs) and microencapsulated bioactive agent integration into hydrogels.
Evaluation of structural, functional, and application-based data.

Main Results:

Hybrid systems significantly improve mechanical stability, antibacterial efficacy, and humidity regulation.
Synergistic effects enhance stimuli-responsive release, probiotic protection, and freshness monitoring.
Applications demonstrated in dairy, fruit, and meat products, including odor control.

Conclusions:

Hydrogel-nanoparticle-microcapsule systems represent a transformative approach to active and intelligent food packaging.
These systems offer enhanced food preservation by addressing microbial spoilage and oxidative deterioration.
The reviewed technologies hold significant potential for reducing food waste and improving food safety.

Keywords:

Active packaging Food preservation Hydrogel Microencapsulation Nanoparticle composite Shelf-life extension

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