Industrial Process

Cold Extrusion Gelation

Low-temperature extrusion process used to encapsulate heat-sensitive bioactive compounds (e.g., probiotics, enzymes) in polymer matrices.

Technical Description

Extrusion at 10–40°C with shear rates of 50–500 s⁻¹ to form gels without thermal degradation. Uses screw speeds of 50–200 RPM and backpressure of 2–10 bar to control gel microstructure.

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