This paper studies the influence of extrusion temperature.Screw speed,feed speed and water content on starch gelatinization depolymerization,soluble index and expansion efficiency.

• 研究了挤压过程中，挤压温度、螺杆转速、进料速度、原料水分含量对淀粉的糊化、降解及对挤出物的溶解指数和膨化度的影响。