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Extraction treatment device and method of soyabean protein

A processing device and soybean protein technology are applied in the field of soybean protein extraction and processing devices, which can solve the problems of extensive management, unfavorable soybean protein quality, and insufficient refinement of the technological process.

Inactive Publication Date: 2018-05-04
LINYI YUWANG VEGETABLE PROTEIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing protein production process only focuses on the extraction itself, the process flow is not refined enough, and the management is extensive, which is not conducive to accurately controlling the quality of the extracted soybean protein

Method used

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  • Extraction treatment device and method of soyabean protein
  • Extraction treatment device and method of soyabean protein

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] (1) One-time extraction: mix low-temperature defatted soybean meal and water at a ratio of 1:10, the water temperature is 30±2°C, and the feed liquid is ground with equipment such as pipeline emulsification pump or colloid mill, and the particle size is 80 mesh through 85±2%. Stir and extract for 45±5min, stirring speed 60±5r / min;

[0068] (2) Primary centrifugal separation: after the primary extraction is completed, the extract is centrifuged with a centrifuge, the solid phase 1 enters the secondary extraction process, and the liquid phase 1 enters the acid precipitation process;

[0069] (3) Secondary extraction: add the solid phase 1 after the primary extraction to dilute acid solution with 8 times the amount of soybean meal for water dissolving and rinsing, and adjust the pH to 1.0. The mesh sieve passes 90±2%, the extraction time is 30±5min, and the stirring speed is 65r / min. Among them, the dilute acid solution is prepared in advance, the concentration of water a...

Embodiment 2

[0073] (1) One-time extraction: mix low-temperature defatted soybean meal with water at a ratio of 1:12, the water temperature is 30±2°C, the feed liquid is ground with pipeline emulsification pump or colloid mill and other equipment, and the particle size is 80 mesh through 85±2%. Stir and extract for 45±5min, stirring speed 60±5r / min;

[0074] (2) Primary centrifugal separation: after the primary extraction is completed, the extract is centrifuged with a centrifuge, the solid phase 1 enters the secondary extraction process, and the liquid phase 1 enters the acid precipitation process;

[0075] (3) Secondary extraction: the solid phase 1 after primary extraction is added to dilute acid solution with 7 times the amount of soybean meal for water dissolving and rinsing, and the pH is adjusted to 1.0. The 80-mesh sieve passes 90±2%, the extraction time is 30±5min, and the stirring speed is 65r / min. Among them, the dilute acid solution is prepared in advance, the concentration of...

Embodiment 3

[0079] (1) One-time extraction: mix low-temperature defatted soybean meal with water at a ratio of 1:12, the water temperature is 35±2°C, the feed liquid is ground with pipeline emulsification pump or colloid mill and other equipment, and the particle size is 80 mesh through 87±2%. Stir and extract for 50±5min, stirring speed 60r / min;

[0080] (2) Primary centrifugal separation: after the primary extraction is completed, the extract is centrifuged with a centrifuge, the solid phase 1 enters the secondary extraction process, and the liquid phase 1 enters the acid precipitation process;

[0081] (3) Secondary extraction: the solid phase 1 after the primary extraction is added to dilute acid solution with 6 times the amount of soybean meal for water dissolution and rinsing, and the pH is adjusted to 2.0±0.3. The feed liquid is ground with equipment such as pipeline emulsification pump or colloid mill, Particle size 80 mesh sieve passes 90±2%, extraction time is 30±5min, stirring ...

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Abstract

The invention discloses an extraction treatment device and method of soyabean protein. The method comprises the following steps: S1, a primary extraction step: mixing defatted soybean meal and water in proportion, grinding feed liquid till the granularity is that greater than 80 percent of granules pass a 80-mesh sieve, performing low-speed stirring and digestion for 40 to 60min, and ensuring thatthe specific stirring speed is 50 to 70 revolution / minute; S2, a primary centrifugal separation step: performing centrifugal separation on an extracting solution with a centrifugal machine after theprimary extraction step is accomplished, and ensuring that solid phase enters a secondary extraction process and liquid phase enters an acid precipitation process; S3, a secondary extraction step: adding solid phase subjected to primary extraction into dilute acid water, performing water dissolution and rinsing, grinding feed liquid till the granularity is that greater than 85 percent of granulespass a 80-mesh sieve, and ensuring that the extraction time is 5 minutes to 40 minutes and the stirring speed is 60 to 70 revolution / minute; S4, a secondary centrifugal separation step: performing centrifugal separation on an extracting solution with the centrifugal machine after the secondary extraction step is accomplished, and ensuring that liquid phase enters an acid precipitation process andsolid phase is used for other purposes.

Description

technical field [0001] The invention relates to the technical field of soybean protein processing, in particular to a soybean protein extraction treatment device and method. Background technique [0002] Soybean protein isolate is a protein food additive produced from low-temperature defatted soybean meal. It has good functional properties, including solubility, gelling, water holding, emulsifying, foaming, etc. It is widely used in meat Products, beverages, vegetarian and pasta and other fields. The protein content of soybean protein isolate is more than 90%, there are nearly 20 types of amino acids, and it contains essential amino acids for human body. It is rich in nutrition and does not contain cholesterol. It is one of the few varieties of vegetable protein that can replace animal protein. [0003] The production of soybean protein isolate generally adopts an alkali-soluble acid precipitation process. The raw soybean meal is extracted with a solution of sodium hydroxid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J1/14
CPCA23J1/14
Inventor 石善勇尹元岭崔玉涛马军
Owner LINYI YUWANG VEGETABLE PROTEIN
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