Microencapsulation of bioactives using germinated pea starch
Explore the innovative use of germinated pea starch for enhanced microencapsulation of bioactive compounds in beverages. This approach leverages the unique properties of germinated pea starch to improve encapsulation efficiency, timed release, and stability of bioactives.
Overview
This solution utilizes germinated pea starch to enhance the microencapsulation of bioactive compounds in beverages. Germination modifies the starch's physical properties, increasing amylose content, which improves the efficiency and stability of encapsulating bioactive materials. This approach offers a low-cost, non-toxic solution for improving the functional properties of beverages by protecting and controlling the release of bioactives.
Technical specifications
The core of this technology involves the use of germinated pea starch, which has been shown to possess altered gelling and pasting properties due to increased amylose content. This change enhances the microencapsulation process by:
- Providing higher yields of encapsulated bioactives
- Reducing interference among starch molecules for better manipulation
- Improving resistance to digestion and oxidation stability
The encapsulation process is conducted using a spray dryer, and the starch can be germinated within 24 to 48 hours.
Technology readiness level
This technology is currently at TRL 4, with ongoing optimization of germination times and encapsulation parameters. Future validation involves assessing the timed release of bioactives, acid resistance, sensory impact on beverages, and shelf-life stability, with comprehensive statistical analysis to support findings.
About Northern Alberta Institute of Technology
Northern Alberta Institute of Technology (NAIT) is a leading Canadian polytechnic in Edmonton serving a large learner population with hands‑on, industry‑aligned education and applied research. Companies collaborate through an integrated applied research enterprise with co‑located labs, pilot‑scale prototyping bays, testbeds, and a modern facility designed for joint development and scale‑up. Partnerships are strengthened by deep work‑integrated learning and apprenticeship pathways that supply talent while enabling product validation and process improvement alongside faculty and technologists. Research activity is supported by competitive federal and provincial funding, including programs from NSERC and Mitacs. A dedicated industry partnerships office streamlines NDAs, IP, and sponsored research to accelerate commercialization and adoption.
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