CN107573424A - A kind of method that semidry method prepares phosphate ester starch - Google Patents
A kind of method that semidry method prepares phosphate ester starch Download PDFInfo
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- CN107573424A CN107573424A CN201611020128.XA CN201611020128A CN107573424A CN 107573424 A CN107573424 A CN 107573424A CN 201611020128 A CN201611020128 A CN 201611020128A CN 107573424 A CN107573424 A CN 107573424A
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- starch
- phosphate ester
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Abstract
It is an object of the invention to provide a kind of method that semidry method prepares phosphate ester starch, using cornstarch as raw material, after the process such as miscible, stirring, suction filtration, crushing, air-dried, baking, cooling, the phosphate ester starch substitution value produced is up to 0.0516, and color and luster is preferable, is less prone to yellowing phenomenon, and entirely technical operation flow is simple and convenient, cost is low, has preferable commercial promise, suitable for marketing.
Description
Technical field
The present invention relates to a kind of biological extractive technique, method that more particularly to a kind of semidry method prepares phosphate ester starch.
Background technology
A kind of anionic starch that phosphate ester starch, which is ative starch, to be occurred esterification with phosphate and generate, very low ester
Chemical conversion all just can substantially change the property of starch.Compared with ative starch, it has, and gelatinization point is low, paste liquid viscosity, transparency compared with
Height, stability is preferable, non-aging, and retrogradation is weak, the advantages that higher freeze-thaw stability and good water holding capacity, difference substitution
The starch phosphate monoester of degree is widely used in food, medicine, chemical industry and other industry.Such as it is used as ice in frozen food processing and swashs
Icepro, catsup, fruit juice and the modifier of refrigeration fishes and shrimps and vegetables；Flocculant is can be used as in chemical industry, to food processing factory's waste water
Middle waste material carries out sedimentation recovery；Pharmaceutical filler can be done in medicine, and can improve prostaglandin to stability of heat etc..With
Starch phosphate research is goed deep into, its application can also be widened further.
Because production of corn starch cost is relatively low, the present invention proposes starch phosphate monoester preparation side using cornstarch as raw material
Method, it is intended to provide more scientific theories integration for further industrialization.
The content of the invention
It is an object of the invention to provide a kind of method that semidry method prepares phosphate ester starch, using cornstarch as raw material, leads to
The process exploitation of more than half dry process phosphoric acid bile starch, improve the yield and color and luster of starch monophosphate.
To realize above-mentioned purpose, the technical solution adopted by the present invention is：
Step 1：The starch milk that contents on dry basis is mass fraction 40% is prepared, is slowly added to a certain amount of urea（Dosage 2%）, poly
Sodium phosphate（Dosage 9%）, pH value of starch milk is adjusted to 5.0 with the phosphoric acid of volume ratio 50% in adition process, makes its keep fixing, in room
30min is stirred under the conditions of temperature and makes up to material balance；
Step 2：The starch milk that step 1 is obtained filters, and is air-dried after filter cake is crushed standby less than 10% to moisture；
Step 3：The dried starch that step 2 is prepared is placed in the baking box that temperature is 150 DEG C, after reflecting 2h, naturally cools to room
Temperature, finished product.
Beneficial effect：Using cornstarch as raw material, phosphoric acid bile starch, the phosphate ester starch produced are prepared by semidry method
Substitution value reaches as high as 0.0516, and color and luster is preferable, is less prone to yellowing phenomenon, in the actual production of phosphate ester starch,
With certain directive significance and market value.
Brief description of the drawings
Nothing.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect of the present invention are easy to understand, with reference to tool
Body embodiment, is expanded on further the present invention.
We use method disclosed by the invention, carry out following operate：
（1）The starch milk that contents on dry basis is mass fraction 40% is prepared, is slowly added to a certain amount of urea（Dosage 2%）, poly phosphorus
Sour sodium（Dosage 9%）, pH value of starch milk is adjusted to 5.0 with the phosphoric acid of volume ratio 50% in adition process, makes its keep fixing, in room temperature
Under the conditions of stirring 30min make up to material balance；
（2）Will（1）Obtained starch milk filters, and is air-dried after filter cake is crushed standby less than 10% to moisture；
（3）Will（1）The dried starch prepared is placed in the baking box that temperature is 150 DEG C, after reflecting 2h, naturally cools to room temperature, is made
Obtain finished product.
As a result show, be advantageous to esterification progress when raw starch moisture 15% or so, product substitution value is high, and
Color and luster is good, is less prone to yellowing phenomenon.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all think ofs in the present invention
Want with any modification, equivalent substitution and improvements within principle, done etc., it should be included in the scope of the protection.
Claims (3)
1. a kind of method that semidry method prepares phosphate ester starch, it is characterised in that comprise the following steps：
Step 1：The starch milk that contents on dry basis is mass fraction 40% is prepared, is slowly added to a certain amount of urea（Dosage 2%）, poly
Sodium phosphate（Dosage 9%）, pH value of starch milk is adjusted to 5.0 with the phosphoric acid of volume ratio 50% in adition process, makes its keep fixing, in room
30min is stirred under the conditions of temperature and makes up to material balance；
Step 2：The starch milk that step 1 is obtained filters, and is air-dried after filter cake is crushed standby less than 10% to moisture；
Step 3：The dried starch that step 2 is prepared is placed in the baking box that temperature is 150 DEG C, after reflecting 2h, naturally cools to room
Temperature, finished product.
2. the method that semidry method as described in claim 1 prepares phosphate ester starch, its feature includes：Prepared in step 1 dry
Base content is the starch milk of mass fraction 40%, is slowly added to a certain amount of urea（Dosage 2%）, sodium polyphosphate（Dosage 9%）,
PH value of starch milk is adjusted to 5.0 with the phosphoric acid of volume ratio 50% in adition process, is made it keep fixing, is stirred at ambient temperature
30min makes up to material balance.
3. the method that semidry method as described in claim 1 prepares phosphate ester starch, its feature includes：By step 2 in step 3
The dried starch prepared is placed in the baking box that temperature is 150 DEG C, after reflecting 2h, naturally cools to room temperature, finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020128.XA CN107573424A (en) | 2016-11-21 | 2016-11-21 | A kind of method that semidry method prepares phosphate ester starch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020128.XA CN107573424A (en) | 2016-11-21 | 2016-11-21 | A kind of method that semidry method prepares phosphate ester starch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107573424A true CN107573424A (en) | 2018-01-12 |
Family
ID=61049487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611020128.XA Withdrawn CN107573424A (en) | 2016-11-21 | 2016-11-21 | A kind of method that semidry method prepares phosphate ester starch |
Country Status (1)
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| CN (1) | CN107573424A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914107A (en) * | 2018-11-02 | 2019-06-21 | 鲁育豪 | A kind of preparation process of starch spinning sizing agent |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1781949A (en) * | 2004-12-03 | 2006-06-07 | 诸城兴贸玉米开发有限公司 | Process for producing high viscosity phosphate ester starch by dry method |
| CN1939932A (en) * | 2006-06-23 | 2007-04-04 | 中国科学院成都有机化学有限公司 | Synthesis of soluble amphoteric starch |
| CN101033262A (en) * | 2006-03-10 | 2007-09-12 | 四平帝达变性淀粉有限公司 | Method of preparing starch phosphate |
| CN101250231A (en) * | 2007-12-28 | 2008-08-27 | 山西绿康无公害农产品发展中心 | Method for preparing high substitution degree water-soluble phosphate amidon |
| CN101962414A (en) * | 2010-10-13 | 2011-02-02 | 广西明阳生化科技股份有限公司 | Method for producing aquatic granulated feed adhesive modified starch |
| CN103030700A (en) * | 2011-09-29 | 2013-04-10 | 天津晟富科技有限公司 | Compound modified starch and preparation method and application thereof |
| CN104231175A (en) * | 2014-09-22 | 2014-12-24 | 广西民族大学 | Method for preparing etherification-oxidation-grafting multiple-modified starches |
-
2016
- 2016-11-21 CN CN201611020128.XA patent/CN107573424A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1781949A (en) * | 2004-12-03 | 2006-06-07 | 诸城兴贸玉米开发有限公司 | Process for producing high viscosity phosphate ester starch by dry method |
| CN101033262A (en) * | 2006-03-10 | 2007-09-12 | 四平帝达变性淀粉有限公司 | Method of preparing starch phosphate |
| CN1939932A (en) * | 2006-06-23 | 2007-04-04 | 中国科学院成都有机化学有限公司 | Synthesis of soluble amphoteric starch |
| CN101250231A (en) * | 2007-12-28 | 2008-08-27 | 山西绿康无公害农产品发展中心 | Method for preparing high substitution degree water-soluble phosphate amidon |
| CN101962414A (en) * | 2010-10-13 | 2011-02-02 | 广西明阳生化科技股份有限公司 | Method for producing aquatic granulated feed adhesive modified starch |
| CN103030700A (en) * | 2011-09-29 | 2013-04-10 | 天津晟富科技有限公司 | Compound modified starch and preparation method and application thereof |
| CN104231175A (en) * | 2014-09-22 | 2014-12-24 | 广西民族大学 | Method for preparing etherification-oxidation-grafting multiple-modified starches |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914107A (en) * | 2018-11-02 | 2019-06-21 | 鲁育豪 | A kind of preparation process of starch spinning sizing agent |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180112 |
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| WW01 | Invention patent application withdrawn after publication |