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Method and appts of desolution of condensed soybean protein by alcohol process

A soybean protein concentrate and desolvation technology, which is applied in the field of alcohol-process soybean protein concentrate desolventization, can solve the problems affecting the application value of concentrated protein, protein thermal denaturation, etc.

Inactive Publication Date: 2006-09-20
中粮工科(西安)国际工程有限公司
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Problems solved by technology

The existing desolvation technology makes the protein stay at a higher temperature for a long time, causing the protein to undergo thermal denaturation, which seriously affects the application value of the concentrated protein. Therefore, it is necessary to find a new desolvation process that can effectively prevent the heat denaturation of the alcohol concentrated protein It is the need to improve the application value of alcohol concentrated protein

Method used

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  • Method and appts of desolution of condensed soybean protein by alcohol process
  • Method and appts of desolution of condensed soybean protein by alcohol process

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Embodiment Construction

[0031] like figure 1 As shown, nitrogen is first charged into the nitrogen inlet 5, the air in the system is removed through the breather valve 14, the circulation fan 15 is turned on, and the heater 17 is started. When the temperature of the feed inlet reaches 120-140° C. The extracted meal is put into the feeding hopper 1, and after the meal is entered by the screw conveyor 2, the superheated solvent steam blown by the fan transports the meal to the crusher 4 along the air supply pipe 3, and the crushed meal is conveyed by the solvent steam through the steam The pipe 6 is transported to the airflow drying pipe 7, and the raw meal is in a suspended state in the airflow drying pipe. At this time, the solvent vapor contacts with the meal in a large area, and heat exchange occurs instantaneously (1-2S), and the solvent in the meal is evaporated. The evaporated solvent and meal enter the cyclone separator 8 with the air flow for separation. Part of the solvent is heated and reus...

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Abstract

A method and apparatus for removing solvent from the concentrated soybean protein prepared by alcohol method in order to prevent its thermal denaturation is disclosed. Its advantages are simple operation, short time, and high effect.

Description

[0001] Field [0002] The invention relates to a method and a device for desolubilizing concentrated soybean protein by alcohol method. Background technique [0003] Alcohol-process soybean protein concentrate is a product obtained by leaching soluble carbohydrates and other components in defatted low-temperature soybean meal with alcohol solvent, so that the protein content (dry basis) of the leached material is above 65%. The soybean protein concentrate produced by this method has a high yield and a light flavor, and the protein caused by the alcohol solution has denaturation and aggregation. [0004] During the processing, the denaturation caused by protein desolvation and heat is difficult to control, and the denaturation caused by desolvation and heat is difficult to recover in the subsequent modification. Avoiding heat denaturation during desolvation of concentrated protein by alcohol method is a technical problem in the production of alcohol method protein. The existi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J3/16
Inventor 曹万新张骊常恒吴生平
Owner 中粮工科(西安)国际工程有限公司
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