CN102823714A - Continuous washing extraction process for preparing protein concentrate - Google Patents
Continuous washing extraction process for preparing protein concentrate Download PDFInfo
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- CN102823714A CN102823714A CN2012103407928A CN201210340792A CN102823714A CN 102823714 A CN102823714 A CN 102823714A CN 2012103407928 A CN2012103407928 A CN 2012103407928A CN 201210340792 A CN201210340792 A CN 201210340792A CN 102823714 A CN102823714 A CN 102823714A
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Abstract
The invention relates to a continuous washing extraction process for preparing protein concentrate, and the process can effectively solve the problems of running, emitting, dripping or leaking in the production of protein concentrate. The technical scheme is as follows: after being mixed in a first continuous mixer, defatted meal and diluted twice-extracted ethanol syrup solution are conveyed to a first pipeline mixer through a first high-pressure pump; after the mixture is continuously washed and extracted in the first pipeline mixer, soluble first-extracted vegetable protein concentration is separated by a first extruder; then ethanol solution is added in, and the mixture is mixed in a second continuous mixer; and after the mixture is conveyed to a second pipeline mixer through a second high-pressure pump and is continuously washed and extracted in the second pipeline mixer, soluble twice-extracted vegetable protein concentration is separated by a second extruder and is desolventized and dried, so that a vegetable protein concentrate product, i.e. the protein concentrate product, with 60 percent to 70 percent of protein content is obtained. According to the continuous washing extraction process for preparing protein concentrate, continuous production can be realized, the operation is simple, the use is safe, the effect is good, and good economic and social benefits are realized.
Description
Technical field
The present invention relates to food, chemical field, particularly a kind of continuous washing extraction process of producing protein concentrate.
Background technology
Protein concentrate is that a kind of protein content is up to the protein product more than 60%; Mainly be to be raw material (like big dregs of beans, peanut meal etc.) with the degreasing dregs of rice; Through different processing methods; Remove solubility sugar, ash content and other solable matters in the dregs of rice, thus the content that makes material protein bring up on 60% from 45～55%, its main method has three kinds: i.e. weak acid scrubbing method, washing with alcohol method, damp and hot washing method.Yet the industrial and large-scale production method mainly is the washing with alcohol method, and the main technique device that relates to is the annular drag chain washing extraction equipment of step tank body combined type washing extraction equipment or continous way; The deficiency of tank body combination washing extraction equipment is that intermittently operated labour intensity is big, is unfavorable for that industrialization controls automatically; And the deficiency of annular drag chain washing extraction equipment is the phenomenon that occurs run, drip, leak easily, complex structure, and the drive disk assembly easy fault, therefore, the technology of producing protein concentrate is present urgent problem.
Summary of the invention
To above-mentioned situation, for solving the defective of prior art, the present invention's purpose just provides a kind of continuous washing extraction process of producing protein concentrate, can effectively solve the problem of the run, drip, leak phenomenon that occurs in the protein concentrate production.
The technical scheme of its solution is: with two collection ethanol syrup solutions after the degreasing dregs of rice and the dilution by 1:5～7 after first continuous mixer mixes; Adopt the pressure of 1～10MPa to be delivered to first pipe-line mixer through first high-pressure pump; In first pipe-line mixer through continuous washing, the extraction 0.5～1 hour after; Isolate through first extruder again and contain a molten concentrated vegetable protein of a collection and a collection ethanol syrup solution; Contain the molten concentrated vegetable protein of a collection and add ethanolic solutions after second continuous mixer mixes by 1:3～5; Adopt the pressure of 1～10MPa to be delivered to second pipe-line mixer through second high-pressure pump, in second pipe-line mixer, through continuous washing, extraction after 0.5～1 hour, isolate through second extruder again and contain two molten collections and concentrate vegetable protein and two collection ethanol syrup solutions; Contain two molten collections and concentrate vegetable protein, get the concentrated plant protein products of protein content 60～70%, i.e. the protein concentrate product through the precipitation drying.
The continuous washing extraction equipment of producing protein concentrate comprises: continuous mixer, high-pressure pump, pipe-line mixer and extruder; The outlet of first continuous mixer is connected with the first high-pressure pump import through conveyance conduit; The outlet of first high-pressure pump is connected with the first pipe-line mixer import; The outlet of first pipe-line mixer is connected with the first extruder import through conveyance conduit; First extruder outlet is connected with the second continuous mixer import; The outlet of second continuous mixer is connected with the second high-pressure pump import through conveyance conduit, and the outlet of second high-pressure pump is connected with the second pipe-line mixer import, and the outlet of second pipe-line mixer is connected with the second extruder import through conveyance conduit.
The present invention can be continuously produced, and is simple to operate, and safety is effective, can be widely used in the production of protein concentrates such as various soybean, peanut, and wide application has good economic and social benefit.
Description of drawings
Fig. 1 is a process chart of the present invention.
Fig. 2 is the structural front view of apparatus of the present invention.
The specific embodiment
Elaborate below in conjunction with accompanying drawing and embodiment specific embodiments of the invention.
Provided by Fig. 1, process of the present invention is:
1.. under 40～55 ℃; The degreasing dregs of rice and dilution two collection ethanol syrup solutions are sent into by weight 1:5～7 speed with 30～60rpm mixes in first continuous mixer (1); The suspension mixed liquor of winning; The first suspension mixed liquor is delivered to first pipe-line mixer (3) through first high-pressure pump (2) under the pressure of 1～10MPa; Through continuous washing, extraction 0.5～1 hour, time washing extraction suspension of winning separated into two parts through first extruder (4) washing extraction for the first time suspension then in first pipe-line mixer (3): a part is to contain a collection of dissolving weight concentration 50～65% to concentrate vegetable protein; Another part is a collection ethanol syrup solution, and in this solution, by weight, soluble sugar accounts for 4～6%, volumetric concentration 63～69% ethanolic solutions account for 94～96%; The percentage by weight that one collection concentrates a vegetable protein and a collection ethanol syrup solution is 24～35%:65～76%; The degreasing dregs of rice that the described degreasing dregs of rice are soybean or the degreasing dregs of rice of peanut; Described dilution two collection ethanol syrup solutions are by the weight meter: the ethanolic solution of volumetric concentration 65～70% accounts for 99.2～99.6%, soluble sugar accounts for 0.4～0.8% and forms; Described soluble sugar is one or more a mixture of glucose, sucrose, raffinose and stachyose;
2.. an above-mentioned collection that 1. obtains concentrate vegetable protein again by with ethanolic solution weight ratio 1:3～5; Under 40～55 ℃; Adding volumetric concentration and be 90～95% ethanolic solution mixes at second continuous mixer (5) and stirs; Mixing speed 30～60rpm after mixing, gets the second suspension mixed liquor; The second suspension mixed liquor is delivered to second pipe-line mixer (7) through second high-pressure pump (6) under the pressure of 1～10MPa; In second pipe-line mixer (7), through continuous washing, extraction 0.5～1 hour, get the suspension of washing extraction for the second time, through second extruder (8) washing extraction second time suspension is separated into two parts again: a part is to contain the concentrated vegetable protein of two collections that dissolves weight concentration 50～65%; Another part is two collection ethanol syrup solutions, in this solution soluble sugar account for weight 0.6～1.0%, volumetric concentration 82～86% ethanolic solutions account for 99.0～99.4% of weight; The percentage by weight that two collections concentrate vegetable protein and two collection ethanol syrup solutions is: 25～33%:67～75%; It is dry through precipitation that two collections concentrate vegetable protein, obtains protein content at 60～70% concentrated plant protein products, concentrates vegetable protein yield rate 75～80%;
3.. after the above-mentioned two collection ethanol syrup solution thin ups that 2. obtain are 65～70% to volumetric concentration, as washing extraction for the first time; An above-mentioned collection ethanol syrup solution that 1. obtains obtains heavy syrup and Diluted Alcohol solution after evaporation and concentration, Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
Provide by Fig. 2; Protein concentrate continuous washing extraction equipment of the present invention comprises continuous mixer, high-pressure pump, pipe-line mixer and extruder; 1 outlet of first continuous mixer is connected with 2 imports of first high-pressure pump through conveyance conduit; 2 outlets of first high-pressure pump are connected with 3 imports of first pipe-line mixer; 3 outlets of first pipe-line mixer are connected with 4 imports of first extruder through conveyance conduit, and 4 outlets of first extruder are connected with 5 imports of second continuous mixer, and 5 outlets of second continuous mixer are connected with 6 imports of second high-pressure pump through conveyance conduit; 6 outlets of second high-pressure pump are connected with 7 imports of second pipe-line mixer, and 7 outlets of second pipe-line mixer are connected with 8 imports of second extruder through conveyance conduit.
Described first continuous mixer 1, first high-pressure pump 2, first pipe-line mixer 3, first extruder 4 are combined into a washing extraction cells.
Described second continuous mixer 5, second high-pressure pump 6, second pipe-line mixer 7, second extruder 8 are combined into another washing extraction cells.
Described continuous mixer has blade and plays rod.
Described high-pressure pump is positive displacement pump or centrifugal pump.
Described pipe-line mixer is equipped with the blade that changes fluid flow direction and flow velocity and constitutes on the circular pipe inwall, described blade can have various difformities.
Described extruder is the blade that different-diameter, different pitch are housed, and has the extrusion equipment of certain compression ratio.
Described continuous washing extraction equipment has two washing extraction cells at least.
Embodiment 1
1.. under 40 ℃; The degreasing dregs of rice that will contain protein 50% send into by weight 1:5 with dilution two collection ethanol syrup solutions that the speed with 30rpm mixes in first continuous mixer (1); The suspension mixed liquor of winning; The first suspension mixed liquor that obtains is delivered to first pipe-line mixer (3) through first high-pressure pump (2) under the pressure of 2MPa, through continuous washing, extraction 0.75 hour, time washing of winning extracted suspension in first pipe-line mixer (3); Separate into two parts through first extruder (4) washing extraction for the first time suspension then: a part is to contain a collection of dissolving weight concentration 60% to concentrate vegetable protein, accounts for 34.87% of weight; Another part is a collection ethanol syrup solution, accounts for 65.13% of weight, and in this solution, by weight, soluble sugar accounts for 5.16%, volumetric concentration 68.49% ethanolic solution accounts for 94.84%; The degreasing dregs of rice that the described degreasing dregs of rice are soybean or the degreasing dregs of rice of peanut; Described dilution two collection ethanol syrup solutions are by the weight meter: the ethanolic solution of volumetric concentration 70% accounts for 99.31%, soluble sugar accounts for 0.69% and forms; Described soluble sugar is one or more a mixture of glucose, sucrose, raffinose and stachyose;
2.. an above-mentioned collection that 1. obtains concentrate vegetable protein again by with ethanolic solution weight ratio 1:5; Under 40 ℃; Add volumetric concentration and be 90% ethanolic solution and mix at second continuous mixer (5) and stir, mixing speed 30rpm is after mixing; Get the second suspension mixed liquor; The second suspension mixed liquor that obtains is delivered to second pipe-line mixer (7) through second high-pressure pump (6) under the pressure of 2MPa, in second pipe-line mixer (7), through continuous washing, extraction 0.5 hour, get the suspension of washing extraction for the second time; Separate into two parts through second extruder (8) washing extraction for the second time suspension again: a part is to contain two collections of dissolving weight concentration 55% to concentrate vegetable protein, accounts for 25.24% of weight; Another part is two collection ethanol syrup solutions, accounts for 74.76% of weight, in this solution soluble sugar account for weight 0.84%, volumetric concentration 85.63% ethanolic solution accounts for 99.16% of weight; It is dry through precipitation that two collections concentrate vegetable protein, obtains protein content and reach 61.25% concentrated plant protein products, concentrates vegetable protein yield rate 80%;
3.. after the above-mentioned two collection ethanol syrup solution thin ups that 2. obtain are 70% to volumetric concentration, as washing extraction for the first time; An above-mentioned collection ethanol syrup solution that 1. obtains obtains heavy syrup and Diluted Alcohol solution after evaporation and concentration, Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
Embodiment 2
1.. under 50 ℃; The degreasing dregs of rice that will contain protein 50% send into by weight 1:6 with dilution two collection ethanol syrup solutions that the speed with 30rpm mixes in first continuous mixer (1); The suspension mixed liquor of winning; The first suspension mixed liquor is delivered to first pipe-line mixer (3) through first high-pressure pump (2) under the pressure of 2MPa, through continuous washing, extraction 0.5 hour, time washing of winning extracted suspension in first pipe-line mixer (3); Separate into two parts through first extruder (4) washing extraction for the first time suspension then: a part is to contain a collection of dissolving weight concentration 60% to concentrate vegetable protein, accounts for 28.88% of weight; Another part is a collection ethanol syrup solution, accounts for 71.12% of weight, and in this solution, by weight, soluble sugar accounts for 4.44%, volumetric concentration 66.78% ethanolic solution accounts for 95.56%; The degreasing dregs of rice that the described degreasing dregs of rice are soybean or the degreasing dregs of rice of peanut; Described dilution two collection ethanol syrup solutions are by the weight meter: the ethanolic solution of volumetric concentration 68% accounts for 99.34%, soluble sugar accounts for 0.66% and forms; Described soluble sugar is one or more a mixture of glucose, sucrose, raffinose and stachyose;
2.. an above-mentioned collection that 1. obtains concentrate vegetable protein again by with ethanolic solution weight ratio 1:4; Under 50 ℃; Add volumetric concentration and be 90% ethanolic solution and mix at second continuous mixer (5) and stir, mixing speed 30rpm is after mixing; Get the second suspension mixed liquor; The second suspension mixed liquor is delivered to second pipe-line mixer (7) through second high-pressure pump (6) under the pressure of 2MPa, in second pipe-line mixer (7), through continuous washing, extraction 0.75 hour, get the suspension of washing extraction for the second time; Separate into two parts through second extruder (8) washing extraction for the second time suspension again: a part is to contain two collections of dissolving weight concentration 55% to concentrate vegetable protein, accounts for 28.55% of weight; Another part is two collection ethanol syrup solutions, accounts for 71.45% of weight, in this solution soluble sugar account for weight 0.82%, volumetric concentration 84.54% ethanolic solution accounts for 99.18% of weight; It is dry through precipitation that two collections concentrate vegetable protein, obtains protein content and reach 62.82% concentrated plant protein products, concentrates vegetable protein yield rate 78%;
3.. after the above-mentioned two collection ethanol syrup solution thin ups that 2. obtain are 68% to volumetric concentration, as washing extraction for the first time; An above-mentioned collection ethanol syrup solution that 1. obtains obtains heavy syrup and Diluted Alcohol solution after evaporation and concentration, Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
Embodiment 3
1.. under 55 ℃; The degreasing dregs of rice that will contain protein 50% send into by weight 1:7 with dilution two collection ethanol syrup solutions that the speed with 30rpm mixes in first continuous mixer (1); The suspension mixed liquor of winning; The first suspension mixed liquor is delivered to first pipe-line mixer (3) through first high-pressure pump (2) under the pressure of 2MPa, through continuous washing, extraction 0.5 hour, time washing of winning extracted suspension in first pipe-line mixer (3); Separate into two parts through first extruder (4) washing extraction for the first time suspension then: a part is to contain a collection of dissolving weight concentration 60% to concentrate vegetable protein, accounts for 24.09% of weight; Another part is a collection ethanol syrup solution, accounts for 75.91% of weight, and in this solution, by weight, soluble sugar accounts for 4.13%, volumetric concentration 63.99% ethanolic solution accounts for 95.87%; The degreasing dregs of rice that the described degreasing dregs of rice are soybean or the degreasing dregs of rice of peanut; Described dilution two collection ethanol syrup solutions are by the weight meter: the ethanolic solution of volumetric concentration 65% accounts for 99.38%, soluble sugar accounts for 0.62% and forms; Described soluble sugar is one or more a mixture of glucose, sucrose, raffinose and stachyose;
2.. an above-mentioned collection that 1. obtains concentrate vegetable protein again by with ethanolic solution weight ratio 1:3; Under 55 ℃; Add volumetric concentration and be 90% ethanolic solution and mix at second continuous mixer (5) and stir, mixing speed 30rpm is after mixing; Get the second suspension mixed liquor; The second suspension mixed liquor is delivered to second pipe-line mixer (7) through second high-pressure pump (6) under the pressure of 2MPa, in second pipe-line mixer (7), through continuous washing, extraction 0.5 hour, get the suspension of washing extraction for the second time; Separate into two parts through second extruder (8) washing extraction for the second time suspension again: a part is to contain two collections of dissolving weight concentration 55% to concentrate vegetable protein, accounts for 32.89% of weight; Another part is two collection ethanol syrup solutions, accounts for 67.11% of weight, in this solution soluble sugar account for weight 0.78%, volumetric concentration 82.70% ethanolic solution accounts for 99.22% of weight; It is dry through precipitation that two collections concentrate vegetable protein, obtains protein content and reach 65.33% concentrated plant protein products, concentrates vegetable protein yield rate 75%;
3.. after the above-mentioned two collection ethanol syrup solution thin ups that 2. obtain are 65% to volumetric concentration, as washing extraction for the first time; An above-mentioned collection ethanol syrup solution that 1. obtains obtains heavy syrup and Diluted Alcohol solution after evaporation and concentration, Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
Can find out that by Fig. 2 the present invention adopts continuous mixer, high-pressure pump, pipe-line mixer and extruder to be combined into a complete washing extraction cells, accomplish protein concentrate by the washing extraction cells that is no less than two and produce necessary desugar operation.
Its production process is; The degreasing dregs of rice are sent in first continuous mixer 1 by transport; Under 40～55 ℃; The adding volumetric concentration is 65～70% two collection ethanol syrup solutions, and its solid-liquid ratio is 1:5～7, and the degreasing dregs of rice and two come together, and the ethanol syrup solutions mix carries out the once washing extraction after first high-pressure pump 2 is sent into first pipe-line mixer 3; Through 0.5～1 hour; Solubility sugar, ash content and part protein,alcohol-soluble matter get in the ethanolic solution, get into first extruder 4 then and separate, obtain containing a collection of dissolving weight concentration 50～65% concentrate vegetable protein and volumetric concentration be 90～95% ethanolic solution by 1:3～5 after second continuous mixer 5 mixes; Send into second pipe-line mixer 7 through second high-pressure pump 6 and carry out secondary washing extraction, isolate to contain through second extruder 8 again and dissolve 50～65% two collections and concentrate vegetable protein and volumetric concentration 82～86%, contain two of soluble sugar 0.6～1.0% ethanol syrup solution two parts that come together; Two collections concentrate vegetable protein and are drying to obtain the concentrated plant protein products of protein content 60～70% through precipitation, concentrate vegetable protein yield rate 75～80%; Extract as washing for the first time after two collection ethanol syrup solution thin up to 65～70% concentration; A collection ethanol syrup solution that obtains after the extraction for the first time obtains heavy syrup and Diluted Alcohol solution through evaporation and concentration, and Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
The present invention is simple in structure, cost is low, safe and reliable, can be continuously produced, simple to operate; Safety, effective, can be widely used in the production of protein concentrates such as various soybean, peanut; Wide application is an innovation on the suitability for industrialized production protein concentrate, and good economic and social benefit is arranged.
Claims (5)
1. a continuous washing extraction process of producing protein concentrate is characterized in that, utilizes the continuous washing extraction equipment of producing protein concentrate to carry out, and may further comprise the steps:
1.. under 40～55 ℃; The degreasing dregs of rice and dilution two collection ethanol syrup solutions are sent into by weight 1:5～7 speed with 30～60rpm mixes in first continuous mixer (1); The suspension mixed liquor of winning; The first suspension mixed liquor is delivered to first pipe-line mixer (3) through first high-pressure pump (2) under the pressure of 1～10MPa; Through continuous washing, extraction 0.5～1 hour, time washing extraction suspension of winning separated into two parts through first extruder (4) washing extraction for the first time suspension then in first pipe-line mixer (3): a part is to contain a collection of dissolving weight concentration 50～65% to concentrate vegetable protein; Another part is a collection ethanol syrup solution, and in this solution, by weight, soluble sugar accounts for 4～6%, volumetric concentration 63～69% ethanolic solutions account for 94～96%; The percentage by weight that one collection concentrates a vegetable protein and a collection ethanol syrup solution is 24～35%:65～76%; The degreasing dregs of rice that the described degreasing dregs of rice are soybean or the degreasing dregs of rice of peanut; Described dilution two collection ethanol syrup solutions are by the weight meter: the ethanolic solution of volumetric concentration 65～70% accounts for 99.2～99.6%, soluble sugar accounts for 0.4～0.8% and forms; Described soluble sugar is one or more a mixture of glucose, sucrose, raffinose and stachyose;
2.. an above-mentioned collection that 1. obtains concentrate vegetable protein again by with ethanolic solution weight ratio 1:3～5; Under 40～55 ℃; Adding volumetric concentration and be 90～95% ethanolic solution mixes at second continuous mixer (5) and stirs; Mixing speed 30～60rpm after mixing, gets the second suspension mixed liquor; The second suspension mixed liquor is delivered to second pipe-line mixer (7) through second high-pressure pump (6) under the pressure of 1～10MPa; In second pipe-line mixer (7), through continuous washing, extraction 0.5～1 hour, get the suspension of washing extraction for the second time, through second extruder (8) washing extraction second time suspension is separated into two parts again: a part is to contain the concentrated vegetable protein of two collections that dissolves weight concentration 50～65%; Another part is two collection ethanol syrup solutions, in this solution soluble sugar account for weight 0.6～1.0%, volumetric concentration 86～82% ethanolic solutions account for 99.0～99.4% of weight; The percentage by weight that two collections concentrate vegetable protein and two collection ethanol syrup solutions is: 25～33%:67～75%; It is dry through precipitation that two collections concentrate vegetable protein, obtains protein content at 60～70% concentrated plant protein products, concentrates vegetable protein yield rate 75～80%;
3.. after the above-mentioned two collection ethanol syrup solution thin ups that 2. obtain are 65～70% to volumetric concentration, as washing extraction for the first time; An above-mentioned collection ethanol syrup solution that 1. obtains obtains heavy syrup and Diluted Alcohol solution after evaporation and concentration, Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
2. the continuous washing extraction process of production protein concentrate according to claim 1; It is characterized in that; The continuous washing extraction equipment of described production protein concentrate; Comprise continuous mixer, high-pressure pump, pipe-line mixer and extruder; First continuous mixer (1) outlet is connected with first high-pressure pump (2) import through conveyance conduit, and first high-pressure pump (2) outlet is connected with first pipe-line mixer (3) import, and first pipe-line mixer (3) outlet is connected with first extruder (4) import through conveyance conduit; First extruder (4) outlet is connected with second continuous mixer (5) import; Second continuous mixer (5) outlet is connected with second high-pressure pump (6) import through conveyance conduit, and second high-pressure pump (6) outlet is connected with second pipe-line mixer (7) import, and second pipe-line mixer (7) outlet is connected with second extruder (8) import through conveyance conduit; Described first continuous mixer (1), first high-pressure pump (2), first pipe-line mixer (3), first extruder (4) are combined into a washing extraction cells; Described second continuous mixer (5), second high-pressure pump (6), second pipe-line mixer (7), second extruder (8) are combined into another washing extraction cells.
3. the continuous washing extraction process of production protein concentrate according to claim 1 is characterized in that, utilizes the continuous washing extraction equipment of producing protein concentrate to carry out, and may further comprise the steps:
1.. under 40 ℃; The degreasing dregs of rice that will contain protein 50% send into by weight 1:5 with dilution two collection ethanol syrup solutions that the speed with 30rpm mixes in first continuous mixer (1); The suspension mixed liquor of winning; The first suspension mixed liquor is delivered to first pipe-line mixer (3) through first high-pressure pump (2) under the pressure of 2MPa, through continuous washing, extraction 0.75 hour, time washing of winning extracted suspension in first pipe-line mixer (3); Separate into two parts through first extruder (4) washing extraction for the first time suspension then: a part is to contain a collection of dissolving weight concentration 60% to concentrate vegetable protein, accounts for 34.87% of weight; Another part is a collection ethanol syrup solution, accounts for 65.13% of weight, and in this solution, by weight, soluble sugar accounts for 5.16%, volumetric concentration 68.49% ethanolic solution accounts for 94.84%; The degreasing dregs of rice that the described degreasing dregs of rice are soybean or the degreasing dregs of rice of peanut; Described dilution two collection ethanol syrup solutions are by the weight meter: the ethanolic solution of volumetric concentration 70% accounts for 99.31%, soluble sugar accounts for 0.69% and forms; Described soluble sugar is one or more a mixture of glucose, sucrose, raffinose and stachyose;
2.. an above-mentioned collection that 1. obtains concentrate vegetable protein again by with ethanolic solution weight ratio 1:5; Under 40 ℃; Add volumetric concentration and be 90% ethanolic solution and mix at second continuous mixer (5) and stir, mixing speed 30rpm is after mixing; Get the second suspension mixed liquor; The second suspension mixed liquor is delivered to second pipe-line mixer (7) through second high-pressure pump (6) under the pressure of 2MPa, in second pipe-line mixer (7), through continuous washing, extraction 0.5 hour, get the suspension of washing extraction for the second time; Separate into two parts through second extruder (8) washing extraction for the second time suspension again: a part is to contain two collections of dissolving weight concentration 55% to concentrate vegetable protein, accounts for 25.24% of weight; Another part is two collection ethanol syrup solutions, accounts for 74.76% of weight, in this solution soluble sugar account for weight 0.84%, volumetric concentration 85.63% ethanolic solution accounts for 99.16% of weight; It is dry through precipitation that two collections concentrate vegetable protein, obtains protein content and reach 61.25% concentrated plant protein products, concentrates vegetable protein yield rate 80%;
3.. after the above-mentioned two collection ethanol syrup solution thin ups that 2. obtain are 70% to volumetric concentration, as washing extraction for the first time; An above-mentioned collection ethanol syrup solution that 1. obtains obtains heavy syrup and Diluted Alcohol solution after evaporation and concentration, Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
4. the continuous washing extraction process of production protein concentrate according to claim 1 is characterized in that, utilizes the continuous washing extraction equipment of producing protein concentrate to carry out, and may further comprise the steps:
1.. under 50 ℃; The degreasing dregs of rice that will contain protein 50% send into by weight 1:6 with dilution two collection ethanol syrup solutions that the speed with 30rpm mixes in first continuous mixer (1); The suspension mixed liquor of winning; The first suspension mixed liquor is delivered to first pipe-line mixer (3) through first high-pressure pump (2) under the pressure of 2MPa, through continuous washing, extraction 0.5 hour, time washing of winning extracted suspension in first pipe-line mixer (3); Separate into two parts through first extruder (4) washing extraction for the first time suspension then: a part is to contain a collection of dissolving weight concentration 60% to concentrate vegetable protein, accounts for 28.88% of weight; Another part is a collection ethanol syrup solution, accounts for 71.12% of weight, and in this solution, by weight, soluble sugar accounts for 4.44%, volumetric concentration 66.78% ethanolic solution accounts for 95.56%; The degreasing dregs of rice that the described degreasing dregs of rice are soybean or the degreasing dregs of rice of peanut; Described dilution two collection ethanol syrup solutions are by the weight meter: the ethanolic solution of volumetric concentration 68% accounts for 99.34%, soluble sugar accounts for 0.66% and forms; Described soluble sugar is one or more a mixture of glucose, sucrose, raffinose and stachyose;
2.. an above-mentioned collection that 1. obtains concentrate vegetable protein again by with ethanolic solution weight ratio 1:4; Under 50 ℃; Add volumetric concentration and be 90% ethanolic solution and mix at second continuous mixer (5) and stir, mixing speed 30rpm is after mixing; Get the second suspension mixed liquor; The second suspension mixed liquor is delivered to second pipe-line mixer (7) through second high-pressure pump (6) under the pressure of 2MPa, in second pipe-line mixer (7), through continuous washing, extraction 0.75 hour, get the suspension of washing extraction for the second time; Separate into two parts through second extruder (8) washing extraction for the second time suspension again: a part is to contain two collections of dissolving weight concentration 55% to concentrate vegetable protein, accounts for 28.55% of weight; Another part is two collection ethanol syrup solutions, accounts for 71.45% of weight, in this solution soluble sugar account for weight 0.82%, volumetric concentration 84.54% ethanolic solution accounts for 99.18% of weight; It is dry through precipitation that two collections concentrate vegetable protein, obtains protein content and reach 62.82% concentrated plant protein products, concentrates vegetable protein yield rate 78%;
3.. after the above-mentioned two collection ethanol syrup solution thin ups that 2. obtain are 68% to volumetric concentration, as washing extraction for the first time; An above-mentioned collection ethanol syrup solution that 1. obtains obtains heavy syrup and Diluted Alcohol solution after evaporation and concentration, Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
5. the continuous washing extraction process of production protein concentrate according to claim 1 is characterized in that, utilizes the continuous washing extraction equipment of producing protein concentrate to carry out, and may further comprise the steps:
1.. under 55 ℃; The degreasing dregs of rice that will contain protein 50% send into by weight 1:7 with dilution two collection ethanol syrup solutions that the speed with 30rpm mixes in first continuous mixer (1); The suspension mixed liquor of winning; The first suspension mixed liquor is delivered to first pipe-line mixer (3) through first high-pressure pump (2) under the pressure of 2MPa, through continuous washing, extraction 0.5 hour, time washing of winning extracted suspension in first pipe-line mixer (3); Separate into two parts through first extruder (4) washing extraction for the first time suspension then: a part is to contain a collection of dissolving weight concentration 60% to concentrate vegetable protein, accounts for 24.09% of weight; Another part is a collection ethanol syrup solution, accounts for 75.91% of weight, and in this solution, by weight, soluble sugar accounts for 4.13%, volumetric concentration 63.99% ethanolic solution accounts for 95.87%; The degreasing dregs of rice that the described degreasing dregs of rice are soybean or the degreasing dregs of rice of peanut; Described dilution two collection ethanol syrup solutions are by the weight meter: the ethanolic solution of volumetric concentration 65% accounts for 99.38%, soluble sugar accounts for 0.62% and forms; Described soluble sugar is one or more a mixture of glucose, sucrose, raffinose and stachyose;
2.. an above-mentioned collection that 1. obtains concentrate vegetable protein again by with ethanolic solution weight ratio 1:3; Under 55 ℃; Add volumetric concentration and be 90% ethanolic solution and mix at second continuous mixer (5) and stir, mixing speed 30rpm is after mixing; Get the second suspension mixed liquor; The second suspension mixed liquor is delivered to second pipe-line mixer (7) through second high-pressure pump (6) under the pressure of 2MPa, in second pipe-line mixer (7), through continuous washing, extraction 0.5 hour, get the suspension of washing extraction for the second time; Separate into two parts through second extruder (8) washing extraction for the second time suspension again: a part is to contain two collections of dissolving weight concentration 55% to concentrate vegetable protein, accounts for 32.89% of weight; Another part is two collection ethanol syrup solutions, accounts for 67.11% of weight, in this solution soluble sugar account for weight 0.78%, volumetric concentration 82.70% ethanolic solution accounts for 99.22% of weight; It is dry through precipitation that two collections concentrate vegetable protein, obtains protein content and reach 65.33% concentrated plant protein products, concentrates vegetable protein yield rate 75%;
3.. after the above-mentioned two collection ethanol syrup solution thin ups that 2. obtain are 65% to volumetric concentration, as washing extraction for the first time; An above-mentioned collection ethanol syrup solution that 1. obtains obtains heavy syrup and Diluted Alcohol solution after evaporation and concentration, Diluted Alcohol solution obtains volumetric concentration greater than 90% ethanolic solution after rectifying, extract as washing for the second time.
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| CN1631197A (en) * | 2004-12-20 | 2005-06-29 | 北京硕泰生物技术有限责任公司 | Technology for preparing concentrated soyabean protein by continuous gradient extraction |
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