Recent progress in using zein nanoparticles-loaded nanocomposites for food packaging applications

Area of Science:

• Materials Science
• Food Science
• Nanotechnology

Background:

• Biopolymers offer eco-friendly properties but require reinforcement for improved performance.
• Natural nanoparticles are explored as reinforcing agents for biopolymers in food packaging.
• Zein nanoparticles (ZNPs) are promising eco-friendly reinforcing agents.

Purpose of the Study:

• To comprehensively review zein nanoparticles (ZNPs) and their application in nanocomposites for food packaging.
• To detail ZNP synthesis, characteristics, and the resulting nanocomposite properties.
• To discuss safety and gastrointestinal fate of ZNPs in food packaging.

Main Methods:

• Literature review of ZNP synthesis and characterization.
• Analysis of physicochemical properties of ZNP-loaded nanocomposites.
• Evaluation of safety and environmental impact.

Main Results:

• ZNPs improve mechanical, thermal, and barrier properties of biopolymers.
• ZNP-based nanocomposites exhibit tailored morphology, permeability, and optical features.
• Safety and gastrointestinal fate of ZNPs require careful consideration.

Conclusions:

• Zein nanoparticles (ZNPs) are effective for enhancing biopolymer-based food packaging.
• Further research is needed to fully understand the safety and long-term effects of ZNPs.
• ZNP-loaded nanocomposites offer sustainable and advanced food packaging solutions.