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Modification method for alcohol method modifying soybean concentrated protein

A technology of concentrated soybean protein and concentrated protein powder, which is applied in the field of modification of concentrated soybean protein by alcohol method, can solve the problems of only a handful of modification processes, achieve short modification time, no heat loss, and maintain nutrition and flavor Effect

Inactive Publication Date: 2006-07-19
中粮工科(西安)国际工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although physical modification has also been reported in the literature, there are only a handful of modification processes that have a complete modification theory and conform to industrial automation production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Mix the homemade alcohol-processed soybean protein concentrate with hot water at 100°C, the ratio of material to liquid (w / w) is 1:9, mash and homogenize it in a high-speed tissue grinder for 10 minutes, and mix the prepared protein slurry with sodium carbonate Adjust the pH to 8.5.

[0058] Put the protein slurry prepared above into a high-frequency electromagnetic field for modification, the power of the electromagnetic field is 500W, and the time is 3min. The protein slurry is then homogenized under high pressure. The machine homogenization conditions are as follows: homogenization pressure 25Mpa, homogenization time 5min, and then spray-dried to obtain the modified concentrated soybean protein powder. The conditions for spray drying are: inlet air temperature 200°C, outlet air temperature 80°C, feed rate 20-25mL / min, nozzle pressure 0.12±0.2Mpa.

Embodiment 2

[0060] Mix the homemade alcohol-processed soybean protein concentrate with hot water at 90°C, the ratio of material to liquid (w / w) is 1:6, mash and homogenize it in a high-speed tissue grinder for 10 minutes, and mix the prepared protein slurry with bicarbonate Sodium adjusts pH to 7.

[0061] Put the protein slurry prepared above into a high-frequency electromagnetic field for modification, the power of the electromagnetic field is 700W, and the time is 5 minutes. The protein slurry is then homogenized under high pressure. The machine homogenization conditions are as follows: homogenization pressure 25Mpa, homogenization time 5min, and then spray-dried to obtain the modified concentrated soybean protein powder. The spray drying conditions are: inlet air temperature 180°C, outlet air temperature 85°C, feed rate 20-25mL / min, nozzle pressure 0.12±0.2Mpa.

Embodiment 3

[0063] Mix the homemade alcohol-processed soybean protein concentrate with hot water at 80°C, the ratio of solid to liquid (w / w) is 1:11, mash and homogenize it in a high-speed tissue grinder for 10 minutes, and oxidize the prepared protein slurry with hydrogen Sodium adjusts the pH to 7.5.

[0064] Put the protein slurry prepared above into a high-frequency electromagnetic field for modification, the power of the electromagnetic field is 1000W, and the time is 2min. The protein slurry is then homogenized under high pressure. Homogenization conditions are: homogenization pressure 25Mpa, homogenization time 5min, and then spray drying to obtain the modified concentrated soybean protein powder. The conditions for spray drying are: inlet air temperature 200°C, outlet air temperature 80°C, feed rate 20-25mL / min, nozzle pressure 0.12±0.2Mpa.

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Abstract

The invention provides a modification method for alcohol method modifying soybean concentrated protein, which comprises the steps of soybean waste degreasing, ethanol extracting, soybean protein concentrating, protein slurry making, modifying, homogeneous processing and spray drying.

Description

technical field [0001] The invention relates to a method for modifying alcohol-processed soybean protein concentrate. Background technique [0002] Alcohol-process soybean protein concentrate uses alcohol solution to extract soluble carbohydrates in defatted soybean meal, so that the protein dry basis content in the extracted material is above 65%. The characteristics of the alcohol-based soybean protein concentrate production process are: there is almost no sewage discharge in the production process, which avoids environmental pollution; it is conducive to further utilization and lower production costs; more importantly, the soybean protein concentrate prepared by the alcohol method has a light flavor, a lighter color, The yield is high. At present, most of the soybean protein concentrates in the United States, Japan, and Western European countries except the United Kingdom are alcohol-processed soybean protein concentrates. However, due to protein denaturation and aggreg...

Claims

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Application Information

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IPC IPC(8): A23J3/16
Inventor 张骊史宣明孟橘王春梅石珊珊
Owner 中粮工科(西安)国际工程有限公司
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