Abstract
AbstractA Brabender 20 DN laboratory scale extruder was used to study the effect of processing parameters on trypsin‐inhibitor activity in dehulled soyabeans employing response surface analysis. Process variables examined were: Temperature of die (150, 160 and 170 °C), feed moisture content (12, 16 and 20%) and screw speed (80, 120 and 160 rpm). Trypsin‐inhibitor activity of extruded products was measured. The correlation with a multiple determination coefficient, (R2 = 0.976) and the mathematical model developed in this study were found to be significant.
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