Expanded full-fat soybean processing technology improving protein solubility

Abstract

The invention belongs to the technical field of agricultural and sideline product processing, and particularly discloses an expanded full-fat soybean processing technology improving the protein solubility. Soybeans after dedusting and impurity removal are sent into a crusher and crushed, the crushed material is sent into a wet expanding machine and subjected to thermal refining preheating and extrusion expanding, and finally the expanded full-fat soybeans are acquired through cooling, wherein the pore size of a sieving slice of the crusher during crushing is 1.5-1.8 mm, and technological parameters of the wet expanding machine comprise that the feeding speed of 38-42 r / min, the steam addition amount of 13-15%, the steam pressure of 0.45-0.47 MPa, the thermal refining temperature of 75-85 DEG C, and the expanding temperature of 105-115 DEG C. Under the condition of the technological parameters, the expanded full-fat soybean product significantly increases the protein solubility while keeping lower urease activity; under the technological parameters, the obtained expanded full-fat soybeans have the moisture content decreased significantly, so as to be more beneficial for preserving; and under the technological parameters, the obtained expanded full-fat soybeans have crude fat and crude protein contents increased significantly, and the nutritional value is improved.

Description

technical field [0001] The invention belongs to the technical field of agricultural and sideline products processing, and in particular relates to a processing technology of puffed full-fat soybeans which improves protein solubility. Background technique [0002] Soybean is an important food crop and oil crop, and is the main protein source for humans and animals. Raw soybeans, like other seeds, contain some anti-nutritional factors that hinder the digestion, absorption and utilization of nutrients, which not only affect the utilization of soybeans themselves, but also reduce the growth performance of livestock and poultry, resulting in animal pancreas enlargement, growth retardation and nitrogen utilization rate reduction . Therefore, since people recognized the anti-nutritional factors in soybean, they began to devote themselves to the research of reducing and eliminating the anti-nutritional factors. [0003] Extrusion processing can effectively remove anti-nutritional ...

AI Technical Summary

Problems solved by technology

Raw soybeans, like other seeds, contain some anti-nutritional factors that hinder the digestion, absorption and utilization of nutrients, which not only affect the utilization of soybeans themselves, but also reduce the growth performance of livestock and poultry, resulting in animal pancreas enlargement, growth retardation and nitrogen utilization rate reduction

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