CN109369812A - A method of preparing cornstarch - Google Patents
A method of preparing cornstarch Download PDFInfo
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- CN109369812A CN109369812A CN201811063712.2A CN201811063712A CN109369812A CN 109369812 A CN109369812 A CN 109369812A CN 201811063712 A CN201811063712 A CN 201811063712A CN 109369812 A CN109369812 A CN 109369812A
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- Prior art keywords
- cornstarch
- starch
- added
- solution
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/04—Extraction or purification
- C08B30/042—Extraction or purification from cereals or grains
- C08B30/044—Extraction or purification from cereals or grains from corn or maize
Abstract
The invention discloses a kind of methods for preparing cornstarch, comprising the following steps: A, by fresh corn particle cleaning it is clean after be put into 40-50 degrees Celsius of warm water and impregnate 2-5h；B, the corn particle after immersion is added in beater, and buffer mashing processing is added, and carry out ultrasound in pulping process；C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；D, aqueous slkali is added in starch slurry, forms starch solution；E, the starch solution that filtration step D is obtained is to get cornstarch is arrived, and the preparation method that the present invention uses is easy to operate, at low cost, simple process, and obtained Maize Starch Content is high.
Description
Technical field
The present invention relates to cornstarch preparation technical field, specially a kind of method for preparing cornstarch.
Background technique
Corn is one of most important cereal crops in China or even the whole world, and the production and consumption of corn are constantly pushing away
The fast development of dynamic person's world agriculture serves not only as the existence that a kind of cereal crops support numerous mankind, while also conduct
A kind of important raw material of industry, by the general production applied to cornstarch.
Currently, the processing method for having realized the cornstarch separating-purifying of industrialization large-scale production both at home and abroad, is generally adopted
It is two methods of wet process and dry method.Relative to wet method preparation process, in dry method production of corn starch, the recovery rate of starch
It is relatively low, and the purifying that starch is closed in the separation of subsequent corn other components also has certain difficulty.Therefore, in recent years,
The preparation and purification of Corn Starch Wet occupy the main status of production of corn starch.Current cornstarch preparation method work
Skill is complicated, and obtained content of starch is few.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of method for preparing cornstarch
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of method for preparing cornstarch, including it is following
Step:
A, by fresh corn particle cleaning it is clean after be put into 40-50 degrees Celsius of warm water and impregnate 2-5h；
B, by after immersion corn particle be added beater in, and be added buffer mashing processing, and in pulping process into
Row ultrasound；
C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；
D, aqueous slkali is added in starch slurry, forms starch solution；
E, the starch solution that filtration step D is obtained to get arrive cornstarch.
Preferably, buffer is the acetic acid-vinegar for using pH range to be 50mmol/L for 4.5-5.5 concentration in the step B
Acid sodium solution or pH range are the phosphate buffer solution that 6.0-6.5 concentration is 50mmol/L.
Preferably, ultrasonic power is 30-45W in the step B.
Preferably, cyclone separator revolving speed is 2000-3500 revs/min in the step C.
Preferably, use the microfiltration membranes in 0.6 μm of aperture for filter media starch solution in the step E.
Compared with prior art, the beneficial effects of the present invention are: the preparation method that uses of the present invention is easy to operate, cost
It is low, simple process, obtained Maize Starch Content height；Wherein, the buffer that the present invention uses can be improved subsequent separation effect
Fruit；In addition, being ultrasonically treated in pulping process, mashing uniformity can be improved, further improve the uniform of corn pulp
Property；In addition, being filtered using microfiltration membranes, the content of cornstarch can be improved.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one:
The invention provides the following technical scheme: a kind of method for preparing cornstarch, the following steps are included:
A, fresh corn particle cleaning is put into 40 degrees Celsius of warm water after clean and impregnates 2h；
B, by after immersion corn particle be added beater in, and be added buffer mashing processing, and in pulping process into
Row ultrasound；
C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；
D, aqueous slkali is added in starch slurry, forms starch solution；
E, the starch solution that filtration step D is obtained to get arrive cornstarch.
In the present embodiment, buffer is the acetic acid-vinegar for using pH range to be 50mmol/L for 4.5-5.5 concentration in step B
Acid sodium solution or pH range are the phosphate buffer solution that 6.0-6.5 concentration is 50mmol/L.
In the present embodiment, ultrasonic power is 30W in step B.
In the present embodiment, cyclone separator revolving speed is 2000 revs/min in step C.
In the present embodiment, use the microfiltration membranes in 0.6 μm of aperture for filter media starch solution in step E.
Embodiment two:
A method of cornstarch is prepared, the following steps are included:
A, fresh corn particle cleaning is put into 50 degrees Celsius of warm water after clean and impregnates 5h；
B, by after immersion corn particle be added beater in, and be added buffer mashing processing, and in pulping process into
Row ultrasound；
C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；
D, aqueous slkali is added in starch slurry, forms starch solution；
E, the starch solution that filtration step D is obtained to get arrive cornstarch.
In the present embodiment, buffer is the acetic acid-vinegar for using pH range to be 50mmol/L for 4.5-5.5 concentration in step B
Acid sodium solution or pH range are the phosphate buffer solution that 6.0-6.5 concentration is 50mmol/L.
In the present embodiment, ultrasonic power is 45W in step B.
In the present embodiment, cyclone separator revolving speed is 3500 revs/min in step C.
In the present embodiment, use the microfiltration membranes in 0.6 μm of aperture for filter media starch solution in step E.
Embodiment three:
A method of cornstarch is prepared, the following steps are included:
A, fresh corn particle cleaning is put into 42 degrees Celsius of warm water after clean and impregnates 3h；
B, by after immersion corn particle be added beater in, and be added buffer mashing processing, and in pulping process into
Row ultrasound；
C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；
D, aqueous slkali is added in starch slurry, forms starch solution；
E, the starch solution that filtration step D is obtained to get arrive cornstarch.
In the present embodiment, buffer is the acetic acid-vinegar for using pH range to be 50mmol/L for 4.5-5.5 concentration in step B
Acid sodium solution or pH range are the phosphate buffer solution that 6.0-6.5 concentration is 50mmol/L.
In the present embodiment, ultrasonic power is 34W in step B.
In the present embodiment, cyclone separator revolving speed is 2200 revs/min in step C.
In the present embodiment, use the microfiltration membranes in 0.6 μm of aperture for filter media starch solution in step E.
Example IV:
A method of cornstarch is prepared, the following steps are included:
A, fresh corn particle cleaning is put into 48 degrees Celsius of warm water after clean and impregnates 4h；
B, by after immersion corn particle be added beater in, and be added buffer mashing processing, and in pulping process into
Row ultrasound；
C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；
D, aqueous slkali is added in starch slurry, forms starch solution；
E, the starch solution that filtration step D is obtained to get arrive cornstarch.
In the present embodiment, buffer is the acetic acid-vinegar for using pH range to be 50mmol/L for 4.5-5.5 concentration in step B
Acid sodium solution or pH range are the phosphate buffer solution that 6.0-6.5 concentration is 50mmol/L.
In the present embodiment, ultrasonic power is 42W in step B.
In the present embodiment, cyclone separator revolving speed is 3200 revs/min in step C.
In the present embodiment, use the microfiltration membranes in 0.6 μm of aperture for filter media starch solution in step E.
Embodiment five:
A method of cornstarch is prepared, the following steps are included:
A, fresh corn particle cleaning is put into 44 degrees Celsius of warm water after clean and impregnates 3h；
B, by after immersion corn particle be added beater in, and be added buffer mashing processing, and in pulping process into
Row ultrasound；
C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；
D, aqueous slkali is added in starch slurry, forms starch solution；
E, the starch solution that filtration step D is obtained to get arrive cornstarch.
In the present embodiment, buffer is the acetic acid-vinegar for using pH range to be 50mmol/L for 4.5-5.5 concentration in step B
Acid sodium solution or pH range are the phosphate buffer solution that 6.0-6.5 concentration is 50mmol/L.
In the present embodiment, ultrasonic power is 38W in step B.
In the present embodiment, cyclone separator revolving speed is 2800 revs/min in step C.
In the present embodiment, use the microfiltration membranes in 0.6 μm of aperture for filter media starch solution in step E.
Embodiment six:
A method of cornstarch is prepared, the following steps are included:
A, fresh corn particle cleaning is put into 45 degrees Celsius of warm water after clean and impregnates 4h；
B, by after immersion corn particle be added beater in, and be added buffer mashing processing, and in pulping process into
Row ultrasound；
C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；
D, aqueous slkali is added in starch slurry, forms starch solution；
E, the starch solution that filtration step D is obtained to get arrive cornstarch.
In the present embodiment, buffer is the acetic acid-vinegar for using pH range to be 50mmol/L for 4.5-5.5 concentration in step B
Acid sodium solution or pH range are the phosphate buffer solution that 6.0-6.5 concentration is 50mmol/L.
In the present embodiment, ultrasonic power is 40W in step B.
In the present embodiment, cyclone separator revolving speed is 2900 revs/min in step C.
In the present embodiment, use the microfiltration membranes in 0.6 μm of aperture for filter media starch solution in step E.
In conclusion the preparation method that the present invention uses is easy to operate, and at low cost, simple process, obtained cornstarch
Content is high；Wherein, the buffer that the present invention uses can be improved subsequent separating effect；In addition, being surpassed in pulping process
Sonication can be improved mashing uniformity, further improve the uniformity of corn pulp；In addition, be filtered using microfiltration membranes,
It can be improved the content of cornstarch.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of method for preparing cornstarch, it is characterised in that: the following steps are included:
A, by fresh corn particle cleaning it is clean after be put into 40-50 degrees Celsius of warm water and impregnate 2-5h；
B, by after immersion corn particle be added beater in, and be added buffer mashing processing, and in pulping process into
Row ultrasound；
C, the obtained corn pulp of step B is put into isolated starch slurry and zein fiber in cyclone separator；
D, aqueous slkali is added in starch slurry, forms starch solution；
E, the starch solution that filtration step D is obtained to get arrive cornstarch.
2. a kind of method for preparing cornstarch according to claim 1, it is characterised in that: buffer in the step B
For use pH range for 4.5-5.5 concentration be 50mmol/L Acetic acid-sodium acetate solution or pH range be that 6.0-6.5 concentration is
The phosphate buffer solution of 50mmol/L.
3. a kind of method for preparing cornstarch according to claim 1, it is characterised in that: ultrasonic function in the step B
Rate is 30-45W.
4. a kind of method for preparing cornstarch according to claim 1, it is characterised in that: whirlwind point in the step C
It is 2000-3500 revs/min from device revolving speed.
5. a kind of method for preparing cornstarch according to claim 1, it is characterised in that: hole is used in the step E
The microfiltration membranes that 0.6 μm of diameter are filter media starch solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063712.2A CN109369812A (en) | 2018-09-12 | 2018-09-12 | A method of preparing cornstarch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811063712.2A CN109369812A (en) | 2018-09-12 | 2018-09-12 | A method of preparing cornstarch |
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| Publication Number | Publication Date |
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| CN109369812A true CN109369812A (en) | 2019-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811063712.2A Pending CN109369812A (en) | 2018-09-12 | 2018-09-12 | A method of preparing cornstarch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875694A (en) * | 2022-05-27 | 2022-08-09 | 绍兴市融创数码科技有限公司 | Digital printing processing technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070673A1 (en) * | 2001-10-15 | 2003-04-17 | A. E. Staley Manufacturing Co. | Membrane filtration for thickening and starch washing in corn wet milling |
| CN101899119A (en) * | 2010-08-27 | 2010-12-01 | 中国科学院长春应用化学研究所 | Method for preparing corn starch |
| CN103327840A (en) * | 2010-12-01 | 2013-09-25 | R·J·雷诺兹烟草公司 | Tobacco separation process for extracting tobacco-derived materials, and associated extraction systems |
| CN108314743A (en) * | 2018-03-22 | 2018-07-24 | 山东省科学院生物研究所 | A kind of Wetting technique for soaking corn |
-
2018
- 2018-09-12 CN CN201811063712.2A patent/CN109369812A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070673A1 (en) * | 2001-10-15 | 2003-04-17 | A. E. Staley Manufacturing Co. | Membrane filtration for thickening and starch washing in corn wet milling |
| CN101899119A (en) * | 2010-08-27 | 2010-12-01 | 中国科学院长春应用化学研究所 | Method for preparing corn starch |
| CN103327840A (en) * | 2010-12-01 | 2013-09-25 | R·J·雷诺兹烟草公司 | Tobacco separation process for extracting tobacco-derived materials, and associated extraction systems |
| CN108314743A (en) * | 2018-03-22 | 2018-07-24 | 山东省科学院生物研究所 | A kind of Wetting technique for soaking corn |
Non-Patent Citations (1)
| Title |
|---|
| 崔云洪: "《玉米淀粉湿磨加工技术与管理》", 31 May 2007, 山东科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114875694A (en) * | 2022-05-27 | 2022-08-09 | 绍兴市融创数码科技有限公司 | Digital printing processing technology |
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Application publication date: 20190222 |