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The extrusion process is recognized as the most versatile processing technology, and it can be used to produce food with higher nutritional, functional, and sensory qualities. The extrusion process involves forcing a mixture of ingredients through a small die under controlled conditions of temperature, pressure, and shear. This review highlights the main effects of the process parameters (feed rate, feed moisture, screw speed, barrel temperature, raw material characteristics, etc.) and system parameters (specific ...