CN108003248A - A kind of preparation process for aoxidizing hydroxypropul starch - Google Patents
A kind of preparation process for aoxidizing hydroxypropul starch Download PDFInfo
- Publication number
- CN108003248A CN108003248A CN201711166351.XA CN201711166351A CN108003248A CN 108003248 A CN108003248 A CN 108003248A CN 201711166351 A CN201711166351 A CN 201711166351A CN 108003248 A CN108003248 A CN 108003248A
- Authority
- CN
- China
- Prior art keywords
- starch
- hydroxypropul
- concentration
- aoxidizing
- preparation process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
- C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/18—Oxidised starch
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
Abstract
The invention discloses a kind of preparation process for aoxidizing hydroxypropul starch, it is characterised in that includes the following steps：S1, prepare starch milk；S2, the reaction of propylene oxide hydroxypropylation；S3, the reaction for aoxidizing hydroxypropul starch；S4, centrifugation, washing, oven drying, grinding and sieving must aoxidize hydroxypropul starch.Oxidation hydroxypropul starch produced by the present invention has the characteristics that whiteness is high, gelatinization point is low, paste liquid viscosity is low, freeze-thaw stability is good, transparency is high, has oxidized starch and hydroxypropul starch denominator concurrently；Dosage and the hydroxylating time of the invention by controlling propylene oxide, can improve the content of hydroxypropyl in starch, make it have stronger freeze-thaw stability, have higher transparency, salt tolerance, acid resistance；Meanwhile continue to aoxidize starch after the completion of hydroxylating, the dosage and oxidizing temperature of oxidant are controlled, the content of carboxyl in starch can be effectively improved, improves oxidation efficiency.
Description
Technical field
The invention belongs to starch processing technique field, and in particular, to a kind of preparation process for aoxidizing hydroxypropul starch.
Background technology
Starch is stored in the storage polysaccharide in cell with form of starch grains during being plant growth.It seed, stem tuber and
Content is especially abundant in the organs such as root tuber.Due to the worsening shortages of energy resources, starch as it is a kind of it is common, it is reproducible and
The natural macromolecular material of low price, is used in numerous fields.By carrying out denaturation treatment to starch, its property can be improved
Energy defect, improves its processing characteristics, preferably meets that modern enterprise produces and processes needs, widens its application field.
Hydroxypropyl and oxidation modification are currently used starch conversion methods.Hydroxypropul starch be starch in alkaline conditions
A kind of obtained non-ionic starch of nucleophilic substitution occurs with propylene oxide, have gelatinization point is low, paste liquid transparency is high,
The advantages that stability is good.It is excellent that oxidized starch has that color is pure white, paste liquid transparency is high, viscosity is low, good film-forming property, gluing power are strong etc.
Point.At present, has more research to potato hydrexypropylated starch and oxidized starch both at home and abroad.However, formed sediment by aoxidizing hydroxypropyl
The technique that powder is modified preparation oxidation hydroxypropul starch is also rarely reported.
The content of the invention
It is an object of the invention to provide a kind of preparation process for aoxidizing hydroxypropul starch, by successively to being carried out to starch
Hydroxypropyl etherified and oxidation modification so that obtained oxidation hydroxypropul starch has the common spy of oxidized starch and hydroxypropul starch concurrently
Property.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of preparation process for aoxidizing hydroxypropul starch, includes the following steps：
Deionized water, be placed in beaker by S1, adds anhydrous Na2SO4, after stirring is completely dissolved at normal temperatures, adds and form sediment
Powder, is configured to starch milk；
Starch milk, be transferred into three-necked flask by S2, and three-necked flask is placed in thermostat water bath, and controlling reaction temperature is
50-55 DEG C, NaOH solution is added while stirring and adjusts PH to 10-11, propylene oxide is slow added into, with fresh-keeping membrane closure neck mouth
React 17-23h；
S3, after reaction, with dilute sulfuric acid and starch milk PH to 7-8, add CuSO4Solution, is slow added into
H2O2, react 3-3.5h；
S4, add NaHSO3Solution terminates reaction, adds the pH value of dilute hydrochloric acid adjusting starch milk to 5-6, centrifuges, washes
Wash, oven drying, 100 mesh sieves are crossed after crushing, obtain oxidation hydroxypropul starch.
In the step S1, deionized water, anhydrous Na2SO4Mass ratio with starch is 230-260：10-12:100；Form sediment
Powder is tapioca, sweet potato starch, starch from sweet potato, farina, wheat kind of starch, water caltrop starch, Rhizoma Nelumbinis starch or cornstarch
In one or more.
In the step S2, the concentration of NaOH solution is 2.5-3.5%；The addition of propylene oxide is starch in step S1
The 8-12% of quality.
In the step S3, the concentration of dilute sulfuric acid is 5-7%；CuSO4The concentration of solution is 0.5%, and the amount of addition is step
The 9-12% of starch quality in rapid S1；H2O2Concentration be 30%, the amount of addition is the 10-15% of starch quality in step S1.
In the step S4, NaHSO3The concentration of solution is 10%, and the amount of addition is the 8- of starch quality in step S1
10%；The concentration of dilute hydrochloric acid is 5%；Oven temperature is 50-60 DEG C, drying time 18-21h.
Beneficial effects of the present invention：
Oxidation hydroxypropul starch produced by the present invention is with whiteness is high, gelatinization point is low, paste liquid viscosity is low, freeze-thaw stability
Well, the features such as transparency is high, has oxidized starch and hydroxypropul starch denominator concurrently；Use of the invention by controlling propylene oxide
Amount and hydroxylating time, the content of hydroxypropyl in starch can be improved, makes it have stronger freeze-thaw stability, had higher
Transparency, salt tolerance, acid resistance；Meanwhile continue to aoxidize starch after the completion of hydroxylating, control the dosage of oxidant
And oxidizing temperature, the content of carboxyl in starch can be effectively improved, improves oxidation efficiency.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, this area is general
All other embodiment that logical technical staff is obtained without creative efforts, belongs to what the present invention protected
Scope.
A kind of preparation process for aoxidizing hydroxypropul starch, comprises the following steps：
S1, weigh 230-260 parts of deionized waters in beaker, adds 10-12 parts of anhydrous Nas2SO4, stirred at normal temperatures
After fully dissolved, 100 parts of starch are added, are configured to starch milk；
Starch milk, be transferred into three-necked flask by S2, and three-necked flask is placed in thermostat water bath, and controlling reaction temperature is
50-55 DEG C, the NaOH solution that concentration is 2.5-3.5% is added while stirring and adjusts PH to 10-11, is slow added into 8-10 parts of rings
Ethylene Oxide, reacts 17-23h with fresh-keeping membrane closure neck mouth；
S3, after reaction, in the dilute sulfuric acid for being 5-7% with concentration and starch milk PH to 7-8, add 9-12 parts of concentration
For 0.5% CuSO4Solution, adds the H that 10-15 parts of concentration are 30%2O2, react 3-3.5h；
The NaHSO that S4 plus 8-10 parts of concentration are 10%3Solution terminates reaction, then is adjusted and formed sediment with the dilute hydrochloric acid that concentration is 5%
The pH value of powder breast to 5-6, centrifugation, washing, oven drying (oven temperature is 50-60 DEG C, drying time 18-21h), crush after
100 mesh sieves are crossed, obtain oxidation hydroxypropul starch.
Embodiment 1
A kind of preparation process for aoxidizing hydroxypropul starch, comprises the following steps：
S1, weigh 230 parts of deionized waters in beaker, adds 10 parts of anhydrous Nas2SO4, stir be completely dissolved at normal temperatures
Afterwards, 100 parts of starch are added, are configured to starch milk；
Starch milk, be transferred into three-necked flask by S2, and three-necked flask is placed in thermostat water bath, controlling reaction temperature 50
DEG C, the NaOH solution that concentration is 2.5% is added while stirring and adjusts PH to 10, is slow added into 8 parts of propylene oxide, is used preservative film
Close neck mouth reaction 17h；
S3, after reaction, with the dilute sulfuric acid that concentration is 5% and starch milk PH to 7, it is 0.5% to add 9 parts of concentration
CuSO4Solution, adds the H that 10 parts of concentration are 30%2O2, react 3h；
The NaHSO that S4 plus 8 parts of concentration are 10%3Solution terminates reaction, then adjusts starch with the dilute hydrochloric acid that concentration is 5%
The pH value of breast is to 5,100 mesh sieves of mistake after centrifugation, washing, oven drying (oven temperature is 50 DEG C, drying time 18h), crushing,
Hydroxypropul starch must be aoxidized.
Embodiment 2
A kind of preparation process for aoxidizing hydroxypropul starch, comprises the following steps：
S1, weigh 250 parts of deionized waters in beaker, adds 11 parts of anhydrous Nas2SO4, stir be completely dissolved at normal temperatures
Afterwards, 100 parts of starch are added, are configured to starch milk；
Starch milk, be transferred into three-necked flask by S2, and three-necked flask is placed in thermostat water bath, controlling reaction temperature 53
DEG C, the NaOH solution that concentration is 3.0% is added while stirring and adjusts PH to 10.5,9 part of 9 propylene oxide is slow added into, with guarantor
Fresh membrane closure neck mouth reacts 20h；
S3, after reaction, with the dilute sulfuric acid that concentration is 6% and starch milk PH to 7.5, adding 11 parts of concentration is
0.5% CuSO4Solution, adds the H that 13 parts of concentration are 30%2O2, react 3.2h；
The NaHSO that S4 plus 9 parts of concentration are 10%3Solution terminates reaction, then adjusts starch with the dilute hydrochloric acid that concentration is 5%
The pH value of breast crosses 100 mesh to 5.5 after centrifugation, washing, oven drying (oven temperature is 55 DEG C, drying time 20h), crushing
Sieve, obtains oxidation hydroxypropul starch.
Embodiment 3
A kind of preparation process for aoxidizing hydroxypropul starch, comprises the following steps：
S1, weigh 260 parts of deionized waters in beaker, adds 12 parts of anhydrous Nas2SO4, stir be completely dissolved at normal temperatures
Afterwards, 100 parts of starch are added, are configured to starch milk；
Starch milk, be transferred into three-necked flask by S2, and three-necked flask is placed in thermostat water bath, controlling reaction temperature 55
DEG C, the NaOH solution that concentration is 3.5% is added while stirring and adjusts PH to 11, is slow added into 10 parts of Ethylene Oxides, is used preservative film
Close neck mouth reaction 23h；
S3, after reaction, with the dilute sulfuric acid that concentration is 7% and starch milk PH to 8, adding 12 parts of concentration is
0.5% CuSO4Solution, adds the H that 15 parts of concentration are 30%2O2, react 3.5h；
The NaHSO that S4 plus 10 parts of concentration are 10%3Solution terminates reaction, then adjusts starch with the dilute hydrochloric acid that concentration is 5%
The pH value of breast is to 6,100 mesh sieves of mistake after centrifugation, washing, oven drying (oven temperature is 60 DEG C, drying time 21h), crushing,
Hydroxypropul starch must be aoxidized.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (5)
1. a kind of preparation process for aoxidizing hydroxypropul starch, it is characterised in that include the following steps：
Deionized water, be placed in beaker by S1, adds anhydrous Na2SO4, after stirring is completely dissolved at normal temperatures, starch is added, is matched somebody with somebody
Starch milk is made；
Starch milk, be transferred into three-necked flask by S2, and three-necked flask is placed in thermostat water bath, controlling reaction temperature 50-55
DEG C, NaOH solution is added while stirring and adjusts PH to 10-11, is slow added into propylene oxide, is reacted with fresh-keeping membrane closure neck mouth
17-23h；
S3, after reaction, with dilute sulfuric acid and starch milk PH to 7-8, add CuSO4Solution, is slow added into H2O2, instead
Answer 3-3.5h；
S4, add NaHSO3Solution terminates reaction, adds the pH value of dilute hydrochloric acid adjusting starch milk to 5-6, centrifugation, wash, baking oven
100 mesh sieves are crossed after dry, crushing, obtain oxidation hydroxypropul starch.
A kind of 2. preparation process for aoxidizing hydroxypropul starch according to claim 1, it is characterised in that the step S1
In, deionized water, anhydrous Na2SO4Mass ratio with starch is 230-260：10-12:100；Starch is tapioca, sweet potato
One or more in starch, starch from sweet potato, farina, wheat kind of starch, water caltrop starch, Rhizoma Nelumbinis starch or cornstarch.
A kind of 3. preparation process for aoxidizing hydroxypropul starch according to claim 1, it is characterised in that the step S2
In, the concentration of NaOH solution is 2.5-3.5%；The addition of propylene oxide is the 8-12% of starch quality in step S1.
A kind of 4. preparation process for aoxidizing hydroxypropul starch according to claim 1, it is characterised in that the step S3
In, the concentration of dilute sulfuric acid is 5-7%；CuSO4The concentration of solution is 0.5%, and the amount of addition is the 9- of starch quality in step S1
12%；H2O2Concentration be 30%, the amount of addition is the 10-15% of starch quality in step S1.
A kind of 5. preparation process for aoxidizing hydroxypropul starch according to claim 1, it is characterised in that the step S4
In, NaHSO3The concentration of solution is 10%, and the amount of addition is the 8-10% of starch quality in step S1；The concentration of dilute hydrochloric acid is
5%；Oven temperature is 50-60 DEG C, drying time 18-21h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711166351.XA CN108003248A (en) | 2017-11-21 | 2017-11-21 | A kind of preparation process for aoxidizing hydroxypropul starch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711166351.XA CN108003248A (en) | 2017-11-21 | 2017-11-21 | A kind of preparation process for aoxidizing hydroxypropul starch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108003248A true CN108003248A (en) | 2018-05-08 |
Family
ID=62052875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711166351.XA Pending CN108003248A (en) | 2017-11-21 | 2017-11-21 | A kind of preparation process for aoxidizing hydroxypropul starch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108003248A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109400726A (en) * | 2018-10-23 | 2019-03-01 | 东莞东美食品有限公司 | A kind of preparation method of the oxidation hydroxypropul starch for capsule for medicine |
| CN111072790A (en) * | 2019-12-27 | 2020-04-28 | 河南新孚望新材料科技有限公司 | Preparation method of modified starch for glass fiber cloth |
| WO2020123943A1 (en) * | 2018-12-14 | 2020-06-18 | Kansas State University Research Foundation | Degraded hydroxyalkylated starches and methods of preparation |
| CN111357919A (en) * | 2018-12-26 | 2020-07-03 | 中粮营养健康研究院有限公司 | Instant rice retrogradation inhibitor, instant rice and preparation method and application thereof |
| US10837142B2 (en) | 2018-12-14 | 2020-11-17 | Sappi North America, Inc. | Paper coating composition with highly modified starches |
| CN112314699A (en) * | 2020-10-19 | 2021-02-05 | 甘肃丰收农业科技有限公司 | Whole cherry fruit starch-based preservative, preparation method thereof and cherry preservation method |
| WO2022122690A1 (en) * | 2020-12-11 | 2022-06-16 | Sika Technology Ag | Cementitious compositions comprising oxidatively degraded polysaccharide as water reducing agents |
| CN115590044A (en) * | 2022-12-12 | 2023-01-13 | 保龄宝生物股份有限公司（Cn） | Preparation method and application of special modified starch for antioxidant ice cream cone |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543292A (en) * | 2016-09-28 | 2017-03-29 | 南通宏慈药业有限公司 | A kind of processing technology of oxidation hydroxypropyl starch |
-
2017
- 2017-11-21 CN CN201711166351.XA patent/CN108003248A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543292A (en) * | 2016-09-28 | 2017-03-29 | 南通宏慈药业有限公司 | A kind of processing technology of oxidation hydroxypropyl starch |
Non-Patent Citations (1)
| Title |
|---|
| 何绍凯等: ""马铃薯氧化羟丙基淀粉的制备及其性能研究"", 《食品科技》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109400726A (en) * | 2018-10-23 | 2019-03-01 | 东莞东美食品有限公司 | A kind of preparation method of the oxidation hydroxypropul starch for capsule for medicine |
| WO2020123943A1 (en) * | 2018-12-14 | 2020-06-18 | Kansas State University Research Foundation | Degraded hydroxyalkylated starches and methods of preparation |
| US10837142B2 (en) | 2018-12-14 | 2020-11-17 | Sappi North America, Inc. | Paper coating composition with highly modified starches |
| CN111357919A (en) * | 2018-12-26 | 2020-07-03 | 中粮营养健康研究院有限公司 | Instant rice retrogradation inhibitor, instant rice and preparation method and application thereof |
| CN111072790A (en) * | 2019-12-27 | 2020-04-28 | 河南新孚望新材料科技有限公司 | Preparation method of modified starch for glass fiber cloth |
| CN112314699A (en) * | 2020-10-19 | 2021-02-05 | 甘肃丰收农业科技有限公司 | Whole cherry fruit starch-based preservative, preparation method thereof and cherry preservation method |
| WO2022122690A1 (en) * | 2020-12-11 | 2022-06-16 | Sika Technology Ag | Cementitious compositions comprising oxidatively degraded polysaccharide as water reducing agents |
| CN115590044A (en) * | 2022-12-12 | 2023-01-13 | 保龄宝生物股份有限公司（Cn） | Preparation method and application of special modified starch for antioxidant ice cream cone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108003248A (en) | A kind of preparation process for aoxidizing hydroxypropul starch | |
| CN106279450A (en) | A kind of preparation method of porous starch octenyl succinate anhydride | |
| CN101773189B (en) | Process for producing glutinous rice starch and glutinous rice protein with glutinous rice flour | |
| CN1911966B (en) | Pretreatment method of starch | |
| CN106117379A (en) | A kind of Oxytarch and its preparation method and application | |
| CN107345234A (en) | A kind of method of enzyme degradation technique modified starch | |
| CN104805723A (en) | Etherification and oxidization method for preparing cellulose nano crystal whiskers | |
| CN105542017A (en) | Technology for preparing sodium carboxyl methyl cellulose | |
| CN106752100A (en) | Modified morphology controllable nano-calcium carbonate powder of a kind of compound alkali lignin APEO activating agent and preparation method thereof | |
| CN110183540A (en) | The method for preparing converted starch using ozone oxidation | |
| CN104558205B (en) | A kind of preparation method of low-viscosity sodium carboxymethyl cellulose | |
| CN101914580A (en) | Calcium salt method for producing citric acid by recycling waste residues calcium sulfate | |
| CN107044065B (en) | A kind of paper-making pulping process | |
| CN103088086A (en) | Method for enhancing modified starch modification through biological enzyme pretreatment | |
| CN103509129B (en) | A kind of carbonyl starch using Fenton-like system to be oxidized and preparation method thereof | |
| CN109370474A (en) | A method of corrugated paper adhesive is prepared with irradiation-microwave esterification potato starch | |
| CN107869055A (en) | A kind of preparation method of the wear-resisting spinning sizing agent of high viscosity | |
| CN105399841B (en) | The converted starch and its production technology of farina preparation are replaced with tapioca | |
| CN102690363A (en) | Preparation method of hydroxypropyl waxy rice starch | |
| CN106220903A (en) | A kind of preparation method of graphene oxide/sodium alginate composite | |
| CN106280703A (en) | A kind of preparation method of ink based on natural modified binder | |
| CN109457515A (en) | A kind of preparation method of velvet apple fabric digit printing thickener | |
| CN112457432A (en) | Method for preparing oxidized chitosan and derivatives thereof by electrolytic method | |
| CN110408778A (en) | A kind of heavy rare earth of sodium carbonate and sodium bicarbonate mixed precipitation | |
| CN103469688B (en) | The method of paper strengthening agent is prepared in a kind of corncob modification |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180508 |