Biofilm coatings to extend fresh produce shelf-life
This innovative biofilm coating system utilizes polysaccharides, biopolymers, and natural antimicrobial compounds to extend the shelf-life of fresh produce. It addresses dehydration, microbial spoilage, and enzymatic browning, ensuring quality and sustainability.
Overview
This biofilm coating system is designed to extend the shelf-life of fresh produce by addressing key spoilage factors: dehydration, microbial spoilage, and enzymatic browning. The solution integrates polysaccharides, biopolymers, and natural antimicrobial compounds to create an edible, sustainable barrier that maintains the sensory and nutritional qualities of produce. By optimizing gas barrier properties, the coating regulates respiration rates, aligning with consumer demand for natural and safe preservation methods. The system ensures compliance with regulatory standards and is compatible with refrigeration-based storage conditions.
Technical specifications
Key features:
- Polysaccharides and biopolymers: Form the structural basis of the coating, providing flexibility and strength.
- Natural antimicrobial compounds: Inhibit spoilage organisms, enhancing microbial stability.
- Gas barrier properties: Optimize respiration rates to reduce enzymatic browning and moisture loss.
- Edible and sustainable: The coating is safe for consumption and environmentally friendly.
The development process involves multiple phases, including biopolymer selection, formulation optimization, and large-scale application testing. Advanced analytical methods ensure the effectiveness of gas barrier properties and antimicrobial activity.
Technology readiness level
The technology is currently at TRL 4, indicating that it has been validated in lab settings. Future phases will focus on scaling up the coating process and conducting real-world simulations to evaluate storage and distribution performance. Regulatory and commercialization pathways will be explored to ensure the product meets all safety, sensory, and sustainability requirements for approval in the US and Canada.
About Michigan State University
Michigan State University is a major public land‑grant research university with a comprehensive academic portfolio and a large research enterprise. Industry partners engage through an on‑campus U.S. Department of Energy national user facility and shared core laboratories with user access. The university provides a chemical process scale‑up pilot plant on Michigan’s lakeshore, a research and technology park, and a Grand Rapids health innovation campus linking researchers with clinical partners. A statewide extension network supports field deployment and workforce training across Michigan’s manufacturing corridor. Research is backed by competitive federal funding from NSF, NIH, DOE, USDA, and DoD, while dedicated tech transfer and corporate engagement teams—supported by an affiliated research foundation—accelerate IP, licensing, startups, and sponsored research.
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