Microencapsulation technology for probiotic stability enhancement
Innovative microencapsulation technology using hydrophobic matrices to enhance probiotic stability by preventing water-induced degradation, suitable for food-grade applications.
Overview
Southwest Research Institute (SwRI) introduces a cutting-edge microencapsulation technology aimed at enhancing the stability and shelf-life of probiotics. This technology utilizes hydrophobic matrices to effectively entrap dried probiotics, significantly reducing degradation caused by water exposure. By leveraging advanced encapsulation methods such as melt spray congealing, this solution is particularly suited for food-grade applications where maintaining probiotic efficacy is critical.
Technical specifications
Key features:
- Utilizes a hydrophobic matrix to encapsulate dried probiotics, reducing water activity to below 0.1.
- Employs various atomization techniques to produce microcapsules, ensuring uniform dispersion of probiotics within the matrix.
- Capable of adapting encapsulation formulations and conditions to meet specific stability and release requirements.
Process methodologies:
- Initial analysis and drying of probiotics to achieve optimal water activity levels.
- Dispersion of probiotics into food-grade fats and waxes, forming a protective barrier against moisture.
- Iterative formulation adjustments and testing, supported by advanced analysis including particle size and stability testing.
Technology readiness level
This microencapsulation technology is currently at Technology Readiness Level 3. It has undergone proof-of-concept validations and is in the developmental phase, with ongoing efforts to optimize formulations and encapsulation techniques for commercial applications.
About Southwest Research Institute
Southwest Research Institute is a large independent, nonprofit applied research and development organization headquartered in San Antonio. Its contract R&D model and co‑located laboratories, pilot‑scale facilities, machine shops, and test ranges help sponsors move from early design to full‑scale validation on a single secure campus. The Institute engages industry through direct contracts, consortia, and technical service programs, supported by field‑relevant instrumentation and independent testing. Research is supported by industry sponsorship, internally funded innovation programs, and competitive awards from major U.S. agencies. A dedicated technology transfer office manages IP strategy, licensing, and pathways to commercialization.
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