Application of corn extruder in corn food
Corn, also known as corn, is one of the important food crops, rich in starch, protein, fat, crude fiber, minerals and other nutrients. Compared with other cereals, the content of glutathione is higher, especially the content of phosphorus and vitamins is the first in cereals. Long-term consumption can reduce the concentration of cholesterol in human blood and play a certain role in the prevention and treatment of cardiovascular and cerebrovascular diseases. Although the nutritional value of corn is high, the edible quality of corn is poor and it is not loved by the majority of consumers, and the potential value of corn cannot be brought into play. The corn press gradually solved this problem.
Extrusion technology of leisure food processing line can not only sterilize and passivate adverse factors, but also improve the utilization rate of protein and accelerate the gelatinization of starch. Starch and protein are the main components of grain, and various physical and chemical properties change during extrusion. Under proper processing conditions, the contents of reducing sugar and soluble dietary fiber, water absorption index and water solubility index of extrusion-treated corn were significantly increased. Gelatinization degree increased from 10%-13% to 50%-100% after treatment. The contents of starch and insoluble dietary fiber decreased significantly. The average crude protein content was 8.11%, ranging from 6.72% to 8.92%. The physicochemical properties of maize were effectively improved. Zhan Yuxin et al. Under these conditions, the residual oil rate is the lowest, 0.342%. Compared with the non-extruded pretreatment process, the extruded pretreatment process can shorten the extraction time by 15 min and improve the extraction efficiency.
Corn extruder technology is a kind of modern processing technology which can save energy and keep fresh, improve the utilization rate, digestion absorption rate and production efficiency of corn. With the research and application of extrusion technology, it will greatly improve the edible quality of corn and bring vitality to the field of corn deep processing.
