Industrial Process
Extrusion process injecting supercritical CO₂ or N₂ to create low-density, porous food structures.
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Extruders inject gas at 50-300 bar into molten food matrix (typically starch/protein blends at 100-180°C), with nucleation controlled by die pressure drop (10:1 to 30:1 ratio). Cell sizes range 50-500µm with density reductions of 30-70% ver…
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