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Quality attributes of extruded corn meal were studied under varied processing conditions using response surface methodology. A Baker Perkins MPF-65 extruder with co-rotating twin screws was used. Both the feed moisture and the screw speed were varied at three levels, and the production rate was varied at two levels. The quality attributes examined were bulk density, diametric expansion, moisture, power, pressure, temperature, and texture. The regression models relating the quality attributes and the processing conditions are suitable for prediction purposes.