CN107897501A - A kind of production technology of high-purity corn protein powder - Google Patents
A kind of production technology of high-purity corn protein powder Download PDFInfo
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- CN107897501A CN107897501A CN201711323864.7A CN201711323864A CN107897501A CN 107897501 A CN107897501 A CN 107897501A CN 201711323864 A CN201711323864 A CN 201711323864A CN 107897501 A CN107897501 A CN 107897501A
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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
- A23J1/125—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from cereals, wheat, bran, or molasses by treatment involving enzymes or microorganisms
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Abstract
The present invention provides a kind of production technology of high-purity corn protein powder, is related to corn deep processing technology field, comprises the following steps：The pretreatment of corn；Enzyme resolution process；Separation and purification treatment.The present invention provides a kind of production technology of high-purity corn protein powder, in the pretreatment of corn, first by corn-drying, then with supersonic airstream crush fully；Select alpha amylase and thermostable α-amylase to be divided to two sections of decomposable processes during enzyme resolution process, crude protein content in corn protein powder can be brought up to 92%（Butt）More than；High-temperature sterilization after the completion of separation and purification treatment, then vacuum packaging in time；While the present invention improves product quality, operating procedure is simplified, reduces production cost；Production technology and equipments are fairly simple, and energy consumption is low, are suitable for industrialized large-scaled production.
Description
Technical field
The present invention relates to corn deep processing technology field, more particularly to a kind of production technology of high-purity corn protein powder.
Background technology
Corn is that one of Three major grain crops, the long-term cultivated area of China's corn are maintained at 24,000,000 hm in the world2, it is slightly higher
In world average level.With animal husbandry and the development of corn producing industry, status of the corn in China's grain-production will be more next
More important, what is occurred therewith is exactly to produce more and more accessory substances, and corn protein powder is exactly one.
Corn protein powder is also corn gluten meal, is mainly made of zein, contains a small amount of starch and fiber.Corn
Starch byproduct golden yellow color coloured particles corn protein powder, have to poultry encourage disease-resistant function, be animal husbandry and feed industry
Excellent additive, extractable natural yellow pigment, contain abundant amino acid.
Since corn protein powder smell is unique, color and luster, poorly water-soluble, so, China's corn protein powder is mainly used as at present
Protein feed or as waste water is drained off, is not reasonably utilized, has so not only wasted the grain resource of preciousness, but also
Cause serious environmental pollution.Comprehensive reasonable utilization is carried out to corn protein powder, accessory substance value is improved, to Corn Industrialization
Have great significance.
The content of the invention
It is an object of the invention to provide a kind of production technology of high-purity corn protein powder, asked with solving above-mentioned technology
Topic.
The present invention using following technical scheme in order to solve the above technical problems, realized：
A kind of production technology of high-purity corn protein powder, comprises the following steps：
Step 1: the pretreatment of corn；Step 2: enzyme resolution process；Step 3: separation and purification treatment;
Wherein, the pretreatment, step are：
1）, choose niblet full, without insect pest, under cryogenic conditions, be dried under vacuum to moisture less than 13%, then send corn
Into oven, under conditions of 80-90 DEG C, constant temperature drying to moisture is less than 8%, temperature then is adjusted to 30-50 DEG C, constant temperature dries
Do to moisture and be less than 2%；
2）, the dry corn completed is ground into ultra-fine corn powder under the action of supersonic airstream, what is crushed is ultra-fine
Corn powder is preserved in cryogenic vacuum, is remained spare.
Preferably, the step of enzyme resolution process includes：
1）, ultra-fine corn powder mixing sterile water is configured to 20% corn powder suspension；
2）, add acid solution and lye, pH is adjusted to 6.3-6.8；
3）, add 10wt% alpha-amylase, be uniformly mixed with ultrasonic wave, under the conditions of 30-40 DEG C, react 2-3h, temperature is risen to
120 DEG C, 20min is maintained, inactivates enzyme；
4）, add 10wt% Thermostable α-Amylase, ultrasonication is uniformly mixed, under the conditions of 80-90 DEG C, react 24-36h,
Obtain the corn protein powder of enzyme resolution process completion.
Preferably, the alpha-amylase and Thermostable α-Amylase meet GBT24401-2009 requirements.
Preferably, the separation and purification treatment step is：The material completed will be fermented under the conditions of 40-50 DEG C, air-flow dries
Do to moisture and be less than 3%, obtain the zein caking of high-purity；By the zein of caking under the action of supersonic airstream
It is ground into the corn protein powder of high-purity.
Preferably, it is described to crush the corn protein powder for completing high-purity, high-temperature sterilization processing is carried out, and carry out in time true
Empty package.
The beneficial effects of the invention are as follows：
The present invention provides a kind of production technology of high-purity corn protein powder, in the pretreatment of corn, first by corn-drying, so
With supersonic airstream crush fully afterwards；Alpha-amylase and Thermostable α-Amylase is selected to be divided to two sections during enzyme resolution process
Decomposable process, can bring up to 92% by crude protein content in corn protein powder（Butt）More than；High temperature after the completion of separation and purification treatment
Sterilizing, then vacuum packaging in time；While the present invention improves product quality, operating procedure is simplified, reduces production cost；
Production technology and equipments are fairly simple, and energy consumption is low, are suitable for industrialized large-scaled production.
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below
Specific embodiment is closed, the present invention is further explained, but following embodiments are only the preferred embodiment of the present invention, and not all.
Based on the embodiment in embodiment, those skilled in the art obtain other realities on the premise of creative work is not made
Example is applied, belongs to protection scope of the present invention.Experimental method in following embodiments, is conventional method unless otherwise specified,
The materials, reagents and the like used in the following examples, is commercially available unless otherwise specified.
A kind of production technology of high-purity corn protein powder, comprises the following steps：
Step 1: the pretreatment of corn：
1）, choose niblet full, without insect pest, under cryogenic conditions, be dried under vacuum to moisture less than 13%, then send corn
Into oven, under conditions of 80-90 DEG C, constant temperature drying to moisture is less than 8%, temperature then is adjusted to 30-50 DEG C, constant temperature dries
Do to moisture and be less than 2%；
2）, the dry corn completed is ground into ultra-fine corn powder under the action of supersonic airstream, what is crushed is ultra-fine
Corn powder is preserved in cryogenic vacuum, is remained spare；
Step 2: enzyme resolution process：
1）, ultra-fine corn powder mixing sterile water is configured to 20% corn powder suspension；
2）, add acid solution and lye, pH is adjusted to 6.3-6.8；
3）, add 10wt% alpha-amylase, be uniformly mixed with ultrasonic wave, under the conditions of 30-40 DEG C, react 2-3h, temperature is risen to
120 DEG C, 20min is maintained, inactivates enzyme；
4）, add 10wt% Thermostable α-Amylase, ultrasonication is uniformly mixed, under the conditions of 80-90 DEG C, react 24-36h,
Obtain the corn protein powder of enzyme resolution process completion；
Alpha-amylase and Thermostable α-Amylase meet GBT24401-2009 requirements；
Step 3: separation and purification treatment：The material completed will be fermented under the conditions of 40-50 DEG C, airflow drying to moisture is less than 3%,
Obtain the zein caking of high-purity；The zein of caking is ground into the jade of high-purity under the action of supersonic airstream
Rice gluten powder；The corn protein powder for completing high-purity is crushed, carries out high-temperature sterilization processing, and be vacuum-packed in time.
Embodiment 1
Choose niblet 50Kg full, without insect pest, under cryogenic conditions, be dried under vacuum to moisture less than 13%, then send corn
Into oven, under conditions of 80-90 DEG C, constant temperature drying to moisture is less than 8%, temperature then is adjusted to 30-50 DEG C, constant temperature dries
Do to moisture and be less than 2%, the dry corn completed is ground into ultra-fine corn powder and 250Kg under the action of supersonic airstream
Sterile water is uniformly mixed to form suspension, is adjusted pH to 6.5 with dilute hydrochloric acid, adds the alpha-amylase of 5000mL, use ultrasonic wave
It is uniformly mixed, under the conditions of 35 DEG C, reacts 2h, temperature is risen to 120 DEG C, 20min is maintained, inactivates enzyme, add the resistance to of 5000mL
High-temperatureα-amylase, ultrasonication are uniformly mixed, and under the conditions of 85 DEG C, are reacted 24h, are obtained the corn egg of enzyme resolution process completion
White powder, for the material for completion of fermenting under the conditions of 50 DEG C, airflow drying to moisture is less than 3%, obtains the zein knot of high-purity
Block；The zein of caking is ground into the corn protein powder of high-purity under the action of supersonic airstream, it is high-purity to crush completion
The corn protein powder of degree, carries out high-temperature sterilization processing, and is vacuum-packed in time.
Embodiment 2
Choose niblet 80Kg full, without insect pest, under cryogenic conditions, be dried under vacuum to moisture less than 13%, then send corn
Into oven, under conditions of 80-90 DEG C, constant temperature drying to moisture is less than 8%, temperature then is adjusted to 30-50 DEG C, constant temperature dries
Do to moisture and be less than 2%, the dry corn completed is ground into ultra-fine corn powder and 400Kg under the action of supersonic airstream
Sterile water is uniformly mixed to form suspension, is adjusted pH to 6.5 with dilute hydrochloric acid, adds the alpha-amylase of 8000mL, use ultrasonic wave
It is uniformly mixed, under the conditions of 35 DEG C, reacts 2h, temperature is risen to 120 DEG C, 20min is maintained, inactivates enzyme, add the resistance to of 8000mL
High-temperatureα-amylase, ultrasonication are uniformly mixed, and under the conditions of 82 DEG C, are reacted 28h, are obtained the corn egg of enzyme resolution process completion
White powder, for the material for completion of fermenting under the conditions of 50 DEG C, airflow drying to moisture is less than 3%, obtains the zein knot of high-purity
Block；The zein of caking is ground into the corn protein powder of high-purity under the action of supersonic airstream, it is high-purity to crush completion
The corn protein powder of degree, carries out high-temperature sterilization processing, and is vacuum-packed in time.
Embodiment 3
Choose niblet 40Kg full, without insect pest, under cryogenic conditions, be dried under vacuum to moisture less than 13%, then send corn
Into oven, under conditions of 85 DEG C, constant temperature drying to moisture is less than 8%, temperature then is adjusted to 50 DEG C, constant temperature drying to water
Divide and be less than 2%, the dry corn completed is ground into ultra-fine corn powder and 200Kg sterile waters under the action of supersonic airstream
It is uniformly mixed and forms suspension, pH is adjusted to 6.4 with dilute hydrochloric acid, the alpha-amylase of 8000mL is added, is mixed with ultrasonic wave equal
It is even, under the conditions of 35 DEG C, react 2h, temperature risen to 120 DEG C, 20min is maintained, inactivates enzyme, add the high temperature resistant α of 8000mL-
Amylase, ultrasonication are uniformly mixed, and under the conditions of 82 DEG C, are reacted 30h, are obtained the corn protein powder of enzyme resolution process completion,
The material completed ferment under the conditions of 50 DEG C, airflow drying to moisture is less than 3%, obtains the zein caking of high-purity；Will knot
The zein of block is ground into the corn protein powder of high-purity under the action of supersonic airstream, crushes the corn for completing high-purity
Albumen powder, carries out high-temperature sterilization processing, and is vacuum-packed in time.
Each embodiment testing result such as following table：
| Embodiment | Crude protein（Wet basis） | Moisture | Crude protein（Butt） |
| Embodiment 1 | 89.72% | 2.83% | 92.55% |
| Embodiment 2 | 91.03% | 3.0% | 94.03% |
| Embodiment 3 | 90.84% | 2.96% | 93.80% |
Understand that the present invention can prepare crude protein from the above（Butt）>=92% high-purity corn protein powder.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the present invention, without departing from the spirit and scope of the present invention, the present invention also have it is various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (5)
1. a kind of production technology of high-purity corn protein powder, it is characterised in that comprise the following steps：
Step 1: the pretreatment of corn；Step 2: enzyme resolution process；Step 3: separation and purification treatment;
Wherein, the pretreatment, step are：
1）, choose niblet full, without insect pest, under cryogenic conditions, be dried under vacuum to moisture less than 13%, then send corn
Into oven, under conditions of 80-90 DEG C, constant temperature drying to moisture is less than 8%, temperature then is adjusted to 30-50 DEG C, constant temperature dries
Do to moisture and be less than 2%；
2）, the dry corn completed is ground into ultra-fine corn powder under the action of supersonic airstream, what is crushed is ultra-fine
Corn powder is preserved in cryogenic vacuum, is remained spare.
2. the production technology of high-purity corn protein powder according to claim 1, it is characterised in that：The enzyme resolution process
The step of include：
Ultra-fine corn powder mixing sterile water is configured to 20% corn powder suspension；
Acid solution and lye are added, pH is adjusted to 6.3-6.8；
The alpha-amylase of 10wt% is added, is uniformly mixed with ultrasonic wave, under the conditions of 30-40 DEG C, 2-3h is reacted, temperature is risen to 120
DEG C, 20min is maintained, inactivates enzyme；
The Thermostable α-Amylase of 10wt% is added, ultrasonication is uniformly mixed, and under the conditions of 80-90 DEG C, is reacted 24-36h, is obtained
The corn protein powder completed to enzyme resolution process.
3. the production technology of high-purity corn protein powder according to claim 2, it is characterised in that：The alpha-amylase and
Thermostable α-Amylase meets GBT24401-2009 requirements.
4. the production technology of high-purity corn protein powder according to claim 1, it is characterised in that：It is described to isolate and purify place
Managing step is：The material completed will be fermented under the conditions of 40-50 DEG C, airflow drying to moisture is less than 3%, obtains the jade of high-purity
Rice gluten lumps；The zein of caking is ground into the corn protein powder of high-purity under the action of supersonic airstream.
5. the production technology of high-purity corn protein powder according to claim 4, it is characterised in that：Described crush completes height
The corn protein powder of purity, carries out high-temperature sterilization processing, and is vacuum-packed in time.
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| CN201711323864.7A CN107897501A (en) | 2017-12-13 | 2017-12-13 | A kind of production technology of high-purity corn protein powder |
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| CN201711323864.7A CN107897501A (en) | 2017-12-13 | 2017-12-13 | A kind of production technology of high-purity corn protein powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114982901A (en) * | 2022-06-15 | 2022-09-02 | 四川天晟制药有限公司 | Preparation method of high-protein purple corn flour raw material |
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