Fabrication and functional application of zein-based core-shell structures: A review

Area of Science:

• Materials Science
• Food Science
• Biotechnology

Background:

• Core-shell structures offer unique absorptive properties valuable in pharmaceuticals, biotechnology, cosmetics, and food/agriculture.
• Zein-based core-shell structures are increasingly studied for functional material delivery.
• A gap exists in comprehensive reviews of zein-based core-shell fabrication specifically for food applications.

Purpose of the Study:

• To survey current fabrication approaches for zein-based core-shell platforms.
• To evaluate the application of these structures in various functionally relevant contexts.
• To provide a novel perspective on zein-based core-shell structures in food science.

Main Methods:

• Literature review of recent studies on zein-based core-shell structure fabrication.
• Categorization of fabrication methods for different zein-based platforms (particles, fibers, films, hydrogels).
• Analysis of reported applications in food and other industries.

Main Results:

• Identified diverse fabrication techniques for zein-based core-shell particles, fibers, films, and hydrogels.
• Highlighted the potential of these structures for functional ingredient delivery in food systems.
• Documented various applications across different industrial sectors.

Conclusions:

• Zein-based core-shell structures represent a promising platform for advanced food ingredient delivery systems.
• Further research is needed to address fabrication challenges and optimize performance for food applications.
• This review provides a foundation for future innovation in zein-based food materials.