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Generation of Alginate Microspheres for Biomedical Applications

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Published on: August 12, 2012

Alginate-based active and intelligent packaging: Preparation, properties, and applications.

Hang Li¹, Zongji Wang², Fan Zhu³

¹CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao, Shandong 266237, China.

International Journal of Biological Macromolecules

|September 11, 2024

Summary

Alginate packaging offers a biodegradable, renewable alternative to plastics. This review details alginate films and coatings for food, enhancing shelf-life and quality with smart indicator potential.

Keywords:

Carbohydrate Encapsulation Natural compound

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Area of Science:

Materials Science
Food Science
Polymer Science

Background:

Conventional petroleum-based plastics pose environmental challenges.
Alginate-based materials offer biodegradable and renewable alternatives.
These materials exhibit versatile functionalities for food packaging applications.

Purpose of the Study:

To comprehensively review recent advances in alginate-based films and coatings for food packaging.
To discuss the composition, fabrication, and functionalization of alginate materials.
To explore applications in food preservation and the development of intelligent packaging.

Main Methods:

Review of existing literature on alginate-based food packaging.
Analysis of composition, fabrication techniques, and functional compound incorporation.
Examination of active compound release mechanisms and migration factors.
Assessment of alginate packaging performance for various food types.
Investigation of alginate-based pH-sensitive indicators for intelligent packaging.

Main Results:

Alginate-based materials demonstrate significant potential for enhancing food shelf-life and quality.
Incorporation of functional compounds improves physicochemical properties.
Alginate films and coatings are effective for preserving meat, fish, dairy, fruits, and vegetables.
pH-sensitive alginate indicators show promise for real-time spoilage detection.
Challenges remain in performance, sustainability, and industrial adoption.

Conclusions:

Alginate-based packaging is a viable, eco-friendly alternative to conventional plastics.
Further research is needed to optimize performance and facilitate industrial scale-up.
Development of smart alginate packaging offers advanced food monitoring capabilities.