CN105660984A - Preparation method of rice bran protein - Google Patents
Preparation method of rice bran protein Download PDFInfo
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- CN105660984A CN105660984A CN201610033603.0A CN201610033603A CN105660984A CN 105660984 A CN105660984 A CN 105660984A CN 201610033603 A CN201610033603 A CN 201610033603A CN 105660984 A CN105660984 A CN 105660984A
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- China
- Prior art keywords
- rice bran
- gad
- preparation
- supernatant liquor
- slag
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
- A23J1/12—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from cereals, wheat, bran, or molasses
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Cereal-Derived Products (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention relates to a preparation method of rice bran protein.The preparation method includes: crushing, screening, first GAD activation, first separation, first supernatant taking, pH regulation, multi-effect concentration, precipitation, third separation, second residue taking, air flow drying, crushing, and packaging to obtain finished product.The preparation method has the advantages that supernatant separated after the first GAD activation of rice bran meal is used for standby, second GAD activation is performed on separated residues, the supernatant after the second GAD activation is collected and combined with the supernatant obtained after the first GAD activation, and then the next procedure is performed; the utilization rate of the rice bran meal is about 70% after the first GAD activation, the utilization rate of the rice bran meal can reach about 90% after the second GAD activation, and the utilization rate is increased by 20%; the preparation method needs no high-intensity labor of workers and is high in efficiency and good in rice bran protein quality.
Description
Technical field
The invention belongs to food-processing and manufacture field, be specifically related to the preparation method of a kind of rice bran protein.
Background technology
Rice bran protein has important nourishing function, such as anti-diabetic, anti-cholesterol and anticancer change etc., research finds that rice bran protein shows the resistant function to the change of dimethylbenzanthracene DMBA induction Female mammary carcinoma and streptozotocin (Streptozotocin, STZ) induced Diabetic. Existing rice bran protein extracting method is comparatively complicated, and the utilization ratio of rice bran meal is on the low side, and the rice bran protein quality extracted is not high.
Summary of the invention
It is an object of the invention to for above-mentioned deficiency of the prior art, it is provided that a kind of technique is comparatively simple, extracts the method that rice bran protein quality is high.
Technical solution of the present invention:
The preparation method of a kind of rice bran protein, it is characterized in that, comprise following technique: pulverizing, screening, a GAD activation, flash liberation, once get supernatant liquor, PH adjustment, Multi-effect concentration, precipitation, three times separation, get slag, air stream drying, crushing packing, finished product two times.
Also comprise after described preparation method's flash liberation and once get slag, two GAD activation, secondary separation, get supernatant liquor two times.
Described once get supernatant liquor and get for two times supernatant liquor merge after carry out PH adjusting process.
The preparation method of a kind of rice bran protein, it is characterised in that, comprise the steps: 1), by rice bran meal pulverize, then with 290 330 mesh sieve screen;
2), the temperature that activates of control GAD between 45 50 DEG C, water bath time 67 hours;
3), the centrifuge speed of flash liberation control at 700 800 revs/min, 30 minutes time, the supernatant liquor of flash liberation is for subsequent use, then once gets slag;
4), will once get slag and pulverize, and carry out two GAD after screening by 300 350 mesh sieve and activate;
5), the temperature that activates of control two GAD between 50 55 DEG C, water bath time 78 hours;
6), the centrifuge speed of secondary separation control at 800 900 revs/min, 40 50 minutes time;
7) supernatant liquor that two supernatant liquors, by secondary separation gone out and flash liberation go out mixes, and stirs evenly;
8), whipping process adds the concentrated hydrochloric acid that concentration is 10mol/L carry out PH adjustment, make the PH value after adjustment between 4.1 4.5;
9), by the solution after PH adjustment carrying out Multi-effect concentration by Multi-effect concentration device, the concentration after concentrated is concentrated front twice;
10), by the solution left standstill 8 10 hours precipitations after concentrated;
11), by the material after precipitation carrying out three separation, centrifugal rotational speed is 900 1000 revs/min, centrifugation time 1 hour;
12), the material after centrifugal is carried out two times get slag, be dried by the air-flow of 50 70 DEG C;
13), finished product warehouse-in after crushing packing.
The invention has the beneficial effects as follows:
The present invention is by after a rice bran meal GAD activation, the supernatant liquor isolated is carried out for subsequent use, the slag separated carries out two GAD and activates, collect the supernatant liquor after two GAD activation, supernatant liquor after being activated by two GAD and the supernatant liquor after a GAD activation carry out next procedure operation after merging again, after one time GAD activates, the utilization ratio of rice bran meal is about 70%, and after carrying out two GAD activation, the utilization ratio of rice bran meal can reach about 90%, and utilization ratio improves 20 percentage points. The whole process of the present invention without the need to the big labour intensity of staff, efficiency height, rice bran protein quality better.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment one:
A preparation method for rice bran protein, comprises following technique: pulverizing, screening, a GAD activation, flash liberation, once get supernatant liquor, PH adjustment, Multi-effect concentration, precipitation, three times separation, get slag, air stream drying, crushing packing, finished product two times.
Also comprise after described preparation method's flash liberation and once get slag, two GAD activation, secondary separation, get supernatant liquor two times.
Described once get supernatant liquor and get for two times supernatant liquor merge after carry out PH adjusting process.
Embodiment two:
The preparation method of a kind of rice bran protein, it is characterised in that, comprise the steps: 1), by rice bran meal pulverize, then with 290 mesh sieve screen;
2), the temperature that activates of control GAD between 45 DEG C, water bath time 6 hours;
3), the centrifuge speed of flash liberation control at 700 revs/min, 30 minutes time, the supernatant liquor of flash liberation is for subsequent use, then once gets slag;
4), will once get slag and pulverize, and carry out two GAD after screening by 300 mesh sieve and activate;
5), the temperature that activates of control two GAD between 50 DEG C, water bath time 7 hours;
6), the centrifuge speed of secondary separation control at 800 revs/min, 40 minutes time;
7) supernatant liquor that two supernatant liquors, by secondary separation gone out and flash liberation go out mixes, and stirs evenly;
8), whipping process adds the concentrated hydrochloric acid that concentration is 10mol/L carry out PH adjustment, make the PH value after adjustment between 4.1;
9), by the solution after PH adjustment carrying out Multi-effect concentration by Multi-effect concentration device, the concentration after concentrated is concentrated front twice;
10), by the solution left standstill 8 hours precipitations after concentrated;
11), by the material after precipitation carrying out three separation, centrifugal rotational speed is 900 revs/min, centrifugation time 1 hour;
12), the material after centrifugal is carried out two times get slag, be dried by the air-flow of 50 DEG C;
13), finished product warehouse-in after crushing packing.
Embodiment three:
The preparation method of a kind of rice bran protein, it is characterised in that, comprise the steps: 1), by rice bran meal pulverize, then with 330 mesh sieve screen;
2), the temperature that activates of control GAD between 50 DEG C, water bath time 7 hours;
3), the centrifuge speed of flash liberation control at 800 revs/min, 30 minutes time, the supernatant liquor of flash liberation is for subsequent use, then once gets slag;
4), will once get slag and pulverize, and carry out two GAD after screening by 350 mesh sieve and activate;
5), the temperature that activates of control two GAD between 55 DEG C, water bath time 8 hours;
6), the centrifuge speed of secondary separation control at 900 revs/min, 50 minutes time;
7) supernatant liquor that two supernatant liquors, by secondary separation gone out and flash liberation go out mixes, and stirs evenly;
8), whipping process adds the concentrated hydrochloric acid that concentration is 10mol/L carry out PH adjustment, make the PH value after adjustment between 4.5;
9), by the solution after PH adjustment carrying out Multi-effect concentration by Multi-effect concentration device, the concentration after concentrated is concentrated front twice;
10), by the solution left standstill 10 hours precipitations after concentrated;
11), by the material after precipitation carrying out three separation, centrifugal rotational speed is 1000 revs/min, centrifugation time 1 hour;
12), the material after centrifugal is carried out two times get slag, be dried by the air-flow of 70 DEG C;
13), finished product warehouse-in after crushing packing.
Embodiment four:
The preparation method of a kind of rice bran protein, it is characterised in that, comprise the steps: 1), by rice bran meal pulverize, then with 310 mesh sieve screen;
2), the temperature that activates of control GAD between 47 DEG C, water bath time 6.5 hours;
3), the centrifuge speed of flash liberation control at 750 revs/min, 30 minutes time, the supernatant liquor of flash liberation is for subsequent use, then once gets slag;
4), will once get slag and pulverize, and carry out two GAD after screening by 325 mesh sieve and activate;
5), the temperature that activates of control two GAD between 53 DEG C, water bath time 7.5 hours;
6), the centrifuge speed of secondary separation control at 850 revs/min, 45 minutes time;
7) supernatant liquor that two supernatant liquors, by secondary separation gone out and flash liberation go out mixes, and stirs evenly;
8), whipping process adds the concentrated hydrochloric acid that concentration is 10mol/L carry out PH adjustment, make the PH value after adjustment between 4.3;
9), by the solution after PH adjustment carrying out Multi-effect concentration by Multi-effect concentration device, the concentration after concentrated is concentrated front twice;
10), by the solution left standstill 9 hours precipitations after concentrated;
11), by the material after precipitation carrying out three separation, centrifugal rotational speed is 9500 revs/min, centrifugation time 1 hour;
12), the material after centrifugal is carried out two times get slag, be dried by the air-flow of 60 DEG C;
13), finished product warehouse-in after crushing packing.
Table 1 is the utilization ratio of rice bran meal after a GAD activates and the utilization ratio repeatedly Experimental comparison of two rear rice bran meals of GAD activation
The above; being only the specific embodiment of the present invention, but the protection domain of invention is not limited thereto, any those of ordinary skill in the art are in the technical scope disclosed by invention; the change can expected without creative work or replacement, all should be encompassed within the protection domain of invention. Therefore, the protection domain of invention should be as the criterion with the protection domain that claim book limits.
Claims (4)
1. the preparation method of a rice bran protein, it is characterized in that, comprise following technique: pulverizing, screening, a GAD activation, flash liberation, once get supernatant liquor, PH adjustment, Multi-effect concentration, precipitation, three times separation, get slag, air stream drying, crushing packing, finished product two times.
2. the preparation method of a kind of rice bran protein according to claim 1, it is characterised in that: also comprise after described preparation method's flash liberation and once get slag, two GAD activation, secondary separation, get supernatant liquor two times.
3. the preparation method of a kind of rice bran protein according to claim 1, it is characterised in that: described once get supernatant liquor and get for two times supernatant liquor merge after carry out PH adjusting process.
4. the preparation method of a rice bran protein, it is characterised in that, comprise the steps: 1), by rice bran meal pulverize, then with 290 330 mesh sieve screen;
2), the temperature that activates of control GAD between 45 50 DEG C, water bath time 67 hours;
3), the centrifuge speed of flash liberation control at 700 800 revs/min, 30 minutes time, the supernatant liquor of flash liberation is for subsequent use, then once gets slag;
4), will once get slag and pulverize, and carry out two GAD after screening by 300 350 mesh sieve and activate;
5), the temperature that activates of control two GAD between 50 55 DEG C, water bath time 78 hours;
6), the centrifuge speed of secondary separation control at 800 900 revs/min, 40 50 minutes time;
7) supernatant liquor that two supernatant liquors, by secondary separation gone out and flash liberation go out mixes, and stirs evenly;
8), whipping process adds the concentrated hydrochloric acid that concentration is 10mol/L carry out PH adjustment, make the PH value after adjustment between 4.1 4.5;
9), by the solution after PH adjustment carrying out Multi-effect concentration by Multi-effect concentration device, the concentration after concentrated is concentrated front twice;
10), by the solution left standstill 8 10 hours precipitations after concentrated;
11), by the material after precipitation carrying out three separation, centrifugal rotational speed is 900 1000 revs/min, centrifugation time 1 hour;
12), the material after centrifugal is carried out two times get slag, be dried by the air-flow of 50 70 DEG C;
13), finished product warehouse-in after crushing packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610033603.0A CN105660984A (en) | 2016-01-19 | 2016-01-19 | Preparation method of rice bran protein |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610033603.0A CN105660984A (en) | 2016-01-19 | 2016-01-19 | Preparation method of rice bran protein |
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| CN105660984A true CN105660984A (en) | 2016-06-15 |
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| CN201610033603.0A Pending CN105660984A (en) | 2016-01-19 | 2016-01-19 | Preparation method of rice bran protein |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150738A (en) * | 2011-05-19 | 2011-08-17 | 湖南省中科农业有限公司 | Method for preparing rice bran protein |
| CN103518942A (en) * | 2013-10-21 | 2014-01-22 | 江苏丹绿食品股份有限公司 | Production technology of rice bran protein powder |
| CN103636916A (en) * | 2013-11-29 | 2014-03-19 | 衢州刘家香食品有限公司 | Method for preparing high content rice bran protein from degreased rice bran |
| CN104982643A (en) * | 2015-07-09 | 2015-10-21 | 安徽农业大学 | Method for producing rice bran protein by enzyme hydrolysis method |
-
2016
- 2016-01-19 CN CN201610033603.0A patent/CN105660984A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102150738A (en) * | 2011-05-19 | 2011-08-17 | 湖南省中科农业有限公司 | Method for preparing rice bran protein |
| CN103518942A (en) * | 2013-10-21 | 2014-01-22 | 江苏丹绿食品股份有限公司 | Production technology of rice bran protein powder |
| CN103636916A (en) * | 2013-11-29 | 2014-03-19 | 衢州刘家香食品有限公司 | Method for preparing high content rice bran protein from degreased rice bran |
| CN104982643A (en) * | 2015-07-09 | 2015-10-21 | 安徽农业大学 | Method for producing rice bran protein by enzyme hydrolysis method |
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Application publication date: 20160615 |
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