Lab-on-a-chip technologies for food safety, processing, and packaging applications: a review

Area of Science:

• Microfluidics
• Analytical Chemistry
• Food Science

Background:

• Microfluidic systems, or lab-on-a-chip (LOC) devices, integrate multiple functions on a single platform, enabling faster, precise, and efficient analytical testing.
• Despite their potential, most microfluidic systems are not yet commercially available, though research is expanding into environmental, food, biomedical, and healthcare sectors.
• The lab-on-a-chip industry is projected to experience a 20% annual growth rate.

Purpose of the Study:

• To review the applications of lab-on-a-chip devices specifically within the food industry.
• To present fabrication technologies and materials used in developing these devices.
• To highlight advancements in food processing, formulation, and smart packaging.

Main Methods:

• Comparison of various detection methods including electrochemical, optical, colorimetric, chemiluminescence, and biological assays for pathogen and microorganism detection.
• Discussion of fabrication techniques and materials for creating microfluidic devices.
• Exploration of emulsion processing, food formulation, and nutraceutical development using LOC technology.

Main Results:

• Lab-on-a-chip devices demonstrate significant promise for pathogen and microorganism detection in food.
• Emulsion processing, food formulation, and nutraceutical development are key areas benefiting from LOC technology.
• Smart packaging, incorporating radio frequency identification (RFID) and indicators, enhances product identification and traceability.

Conclusions:

• Lab-on-a-chip technology offers advanced analytical capabilities for the food sector, improving safety and quality.
• The integration of LOC devices with smart packaging solutions provides enhanced traceability and product monitoring.
• Continued development in fabrication and detection methods will further expand the utility of LOC devices in the food industry.