Monascus polysaccharide-based fully biodegradable packaging material and preparation method thereof

By combining modified red yeast rice polysaccharide with konjac glucomannan and chitosan, and modifying it with anthocyanins, a biodegradable packaging material based on red yeast rice polysaccharide was prepared. This solved the problems of insufficient mechanical properties and single function of existing materials, and achieved efficient degradation and multifunctionality.

CN121554830APending Publication Date: 2026-02-24HUBEI COLLEGE OF TRADITIONAL CHINESE MEDICINE
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Patent Information

Application Number
CN202511885431.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-15
Publication Date
2026-02-24

AI Technical Summary

Technical Problem

Existing biodegradable packaging materials suffer from insufficient mechanical properties, high cost, limited environmental protection, and limited functionality. Red yeast rice polysaccharides have not been effectively utilized in biodegradable packaging materials.

Method used

By combining modified red yeast rice polysaccharide with konjac glucomannan and chitosan, and modifying it with anthocyanins, and by using hydrogen bonding and cross-linking reactions, plasticizers and fillers are added to prepare red yeast rice polysaccharide-based biodegradable packaging materials, forming a complex network structure and improving mechanical properties and functionality.

Benefits of technology

The material exhibits improved tensile strength, enhanced solubility, stronger UV blocking properties, high degradation efficiency, and low cost, making it suitable for food and pharmaceutical packaging.

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Abstract

The invention belongs to the technical field of degradable packaging materials, and relates to a monascus polysaccharide-based fully biodegradable packaging material, which is prepared from the following raw materials in parts by weight: 60 to 70 parts of modified monascus polysaccharide; 10 to 20 parts of a composite modifier; 5-10 parts of a plasticizer; 3-5 parts of a filling agent; 0.3 to 0.5 part of vitamin E; the mechanical property, the water resistance and the forming stability of the monascus polysaccharide-based material are improved through a composite modification system, and finally the degradable packaging material which is low in cost, high in degradation efficiency and excellent in use performance is prepared.
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