CN105924656B - A kind of preparation of starch granules and collection method - Google Patents
A kind of preparation of starch granules and collection method Download PDFInfo
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- CN105924656B CN105924656B CN201610313674.6A CN201610313674A CN105924656B CN 105924656 B CN105924656 B CN 105924656B CN 201610313674 A CN201610313674 A CN 201610313674A CN 105924656 B CN105924656 B CN 105924656B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
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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
- C08B30/02—Preparatory treatment, e.g. crushing of raw materials or steeping process
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
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- Polysaccharides And Polysaccharide Derivatives (AREA)
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Abstract
The invention discloses a kind of preparation of starch granules and collection method.The present invention is first to handle starch through ultramicro grinding, then it is prepared into certain density starch solution, by starch solution through high pressure homogenizer homogeneous, the processing of high-speed jet device, pass through ultracentrifuge again, centrifuged under different rotating speeds, obtain various sizes of starch granules, the starch solution containing different sized starch particles is finally introduced into electrophoresis tank, add cationic surfactant, by setting the pole plate of different shape or specific pattern, obtain on the collector patterning assembling, there is various sizes of starch granules.The present invention utilizes the starch granules after ultramicro grinding combination high-speed jet processing, crystalline texture is destroyed obvious, active group fully exposes, it is set to be more prone to cationic surfactant effect, the different pattern that is obtained after collection, various sizes of starch granules one-shot forming, uniformly, can prepare functional starch film, have the field extensive use such as pattern paper.
Description
Technical field
The present invention relates to a kind of preparation of starch granules and collection method, the technology of preparing for belonging to starch chemical derivative is led
Domain.
Background technology
Starch is a kind of important carbohydrate that green plants is generated by photosynthesis, is mainly sunk in granular form
Long-pending seed, stem tuber or root in plant, it is the main carbohydrate source of the mankind.Starch resource enriches, cheap, again
With recyclability, exploitation to starch resource and using increasingly being paid close attention to by numerous researchers, at present in food, make
Extensive use in paper, weaving, chemical industry, medicine and other industry.It is big yet with native starch particles, close structure, pliability
Difference, processing difficulties, it also significantly limit application of the starch in certain fields.Therefore, answered to improve the performance of starch, expanding it
With scope, processing is modified to it using some physical chemistry means, so as to change the natural characteristic of starch（Such as:Gelatinization temperature
Degree, thermoviscosity and its stability, freeze-thaw stability, gel force, film forming, the transparency etc.）, make it more suitable for necessarily applying
It is required that.For example, patent ZL99815309.5 discloses a kind of method that starch granules is prepared with two-phase system, by this method with
Controllable way produces the very small starch granules of particle diameter.ZL200810058701.5 discloses a kind of modified starch particle
Preparation method and its cigarette paper production in application.
It there are no in the prior art using ultramicro grinding, high-speed jet, electrophoretic techniques are combined to prepare and collect shallow lake
The open report of powder particles.
The content of the invention
It is an object of the invention to provide a kind of preparation of starch granules and collection method, this method is by ultramicro grinding, high speed
Jet, electrophoretic techniques are combined, and obtain the starch granules with good particle diameter distribution, and can realize the shallow lake to different-grain diameter size
Disposable, the quick collection or patterning assembling of powder particles.
Technical scheme is as follows：A kind of preparation of starch granules and collection method, comprise the following steps：
（1）Starch is taken, is handled by ultramicro grinding, obtains starch sample；
（2）Starch sample is taken, is configured to starch solution, by starch solution through high pressure homogenizer homogenization, makes starch
Grain is fully dispersed in aqueous；
（3）By step（2）Starch solution by high pressure homogenizer homogenization is handled with high-speed jet device, is obtained everywhere
Starch solution after reason, then the starch solution after processing centrifuged through ultracentrifuge, the size of starch granules is classified,
The below standard accurate high-speed jet that continues is handled, and obtains various sizes of starch granules；
（4）By step（3）The obtained starch solution containing different sized starch particles is introduced into electrophoresis tank, in electrophoresis tank
Middle addition cationic surfactant, open electrophoresis；
（5）Adjust electrophoresis tank pole plate shape, obtain on the collector patterning assembling, there is various sizes of starch
Particle.
Preferably, the step（1）The middle ultramicro grinding time is 1-2h.
Preferably, the step（1）The mass concentration of middle starch solution is less than 20%.It is further preferred that starch solution
Mass concentration can be 19.5% or 19% or 18% or 17% or 16% or 15% or 14% or 13% or 12% or 11% or 10%.
Preferably, the step（2）Mesohigh homogenizer number of processes is 1-3 times.
Preferably, the step（3）The processing pressure of high speed fluidic device is arranged to：260MPa, number of processes 1-3
It is secondary.
Preferably, the step（3）The specific method of middle ultracentrifuge centrifugation is：Respectively 10000rpm,
15-30min is centrifuged under 20000rpm, 30000rpm, 40000rpm, 50000rpm, 60000rpm rotating speed, is obtained after taking centrifugation every time
The supernatant arrived, centrifuge bottom precipitation returns to high-speed jet device and carries out high-speed jet processing after centrifugation every time, until again
After centrifugation without precipitation untill.Precipitation returns to the pressure and the same step of number that high-speed jet device carries out high-speed jet processing（3）.
Preferably, the step（4）Described in cationic surfactant be cetyl trimethylammonium bromide, its dosage
For the 0.2-0.4% of colloidal particle quality in electrophoresis tank.
Preferably, the deposition condition is：Positive and negative die opening 20cm, voltage 60V, conduction time 15-20min, colloid grains
Sub- concentration is 1.0-1.2mg/ml.
The present invention destroys starch structure first with the mechanicals efforts of ultramicro grinding, improves starch dissolution, prepares dense
The higher starch solution of degree, improves efficiency, recycles compression pulverize effect, the water jets impact of the water jets impact of high-speed jet
Water wedge-stretching pulverization, the impact of turbulent flow-cavitation erosion pulverization, the water hammering of pulsing jet, particle and target
Crushing and the friction pulverization of particle and tube wall, the further particle shape for changing starch, granularity, crystalline texture etc., so as to
Its reactivity with cationic surfactant is improved, then in electrophoresis tank, by the different shape pre-set or is had
Have the pole plate of specific pattern thereon, under electric field action, you can obtained on the collector of electrophoresis tank patterning assembling, have
Various sizes of starch granules.
The present invention uses ultramicro grinding pretreated starch, effectively solves the problems, such as that ative starch solubility is low, then ties
Close high-speed jet further to handle, obtained starch granules, crystalline texture is destroyed obvious, and active group fully exposes, make its with
Cationic surfactant effect is more prone to.The different pattern that is obtained after collection, various sizes of starch granules one-shot forming,
Uniformly, functional starch film can prepared, having the field extensive use such as pattern paper.The present invention is relative to the beneficial of prior art
Effect also resides in：
（1）Starch is handled with ultramicro grinding combination high-speed jet first, wherein ultramicro grinding pretreated starch, carried
High starch dissolution, solve the problems, such as that ative starch solubility is low, improve the treatment effeciency of follow-up high-speed jet；
（2）First after being handled by high-speed jet, classification processing is carried out to particle with reference to ultracentrifuge, obtains difference
The starch granules of size, it is easy to operate, feasible；
（3）Starch granules is acted on using cationic surfactant cetyl trimethylammonium bromide first, and
By setting different pole plate shapes, obtain on the collector patterning assembling certain size starch granules, obtain into
Product one-shot forming, uniformly, effect is good.
Embodiment
The present invention is described in further details below by embodiment, these embodiments are only used for illustrating the present invention, and
Do not limit the scope of the invention.
Embodiment 1 realizes the present invention using following steps：
（1）Starch is taken, ultramicro grinding processing 1.5h, obtains starch sample；
（2）Starch sample is taken, mass concentration is configured to as 18% starch solution using distilled water, by starch solution through high pressure
Homogenizer homogenization 3 times, make starch granules fully dispersed in aqueous；
（3）The processing pressure 260MPa of high-speed jet device is set, by step（2）By high pressure homogenizer homogenization
Starch solution is handled 2 times with high-speed jet device, the starch solution after being handled, then by the starch solution after processing through hypervelocity
Centrifuge, centrifuged respectively under 10000rpm, 20000rpm, 30000rpm, 40000rpm, 50000rpm, 60000rpm rotating speed
30min, the supernatant obtained after centrifugation every time is taken, every time after centrifugation, centrifuge bottom precipitation returns to high-speed jet device and carried out
High-speed jet is handled, and untill after centrifuging again without precipitation, obtains various sizes of starch granules；
（4）By step（3）The obtained starch solution containing different sized starch particles is introduced into electrophoresis tank, in electrophoresis tank
0.4% cationic surfactant cetyl trimethylammonium bromide of colloidal particle quality in middle addition electrophoresis tank, open electricity
Swimming；Deposition condition is：Positive and negative die opening 20cm, voltage 60V, conduction time 20min, colloidal particle concentration are 1.0mg/ml；
（5）Set electrophoresis tank pole plate to be shaped as ring-type, obtain on square collector patterning assembling, there is difference
The starch granules of size.
Embodiment 2 realizes the present invention using following steps：
（1）Starch is taken, ultramicro grinding processing 1.2h, obtains starch sample；
（2）Starch sample is taken, mass concentration is configured to as 10% starch solution using distilled water, by starch solution through high pressure
Homogenizer homogenization 2 times, make starch granules fully dispersed in aqueous；
（3）The processing pressure 260MPa of high-speed jet device is set, by step（2）By high pressure homogenizer homogenization
Starch solution is handled 3 times with high-speed jet device, the starch solution after being handled, then by the starch solution after processing through hypervelocity
Centrifuge, centrifuged respectively under 10000rpm, 20000rpm, 30000rpm, 40000rpm, 50000rpm, 60000rpm rotating speed
18min, the supernatant obtained after centrifugation every time is taken, every time after centrifugation, centrifuge bottom precipitation returns to high-speed jet device and carried out
High-speed jet is handled, and untill after centrifuging again without precipitation, obtains various sizes of starch granules；
（4）By step（3）The obtained starch solution containing different sized starch particles is introduced into electrophoresis tank, in electrophoresis tank
0.2% cationic surfactant cetyl trimethylammonium bromide of colloidal particle quality in middle addition electrophoresis tank, open electricity
Swimming；Deposition condition is：Positive and negative die opening 20cm, voltage 60V, conduction time 15min, colloidal particle concentration are 1.2mg/ml；
（5）Set electrophoresis tank pole plate to be shaped as triangle, obtain on square collector patterning assembling, have not
With the starch granules of size.
Embodiment 3 realizes the present invention using following steps：
（1）Starch is taken, ultramicro grinding processing 1h, obtains starch sample；
（2）Starch sample is taken, mass concentration is configured to as 14% starch solution using distilled water, by starch solution through high pressure
Homogenizer homogenization 3 times, make starch granules fully dispersed in aqueous；
（3）The processing pressure 260MPa of high-speed jet device is set, by step（2）By high pressure homogenizer homogenization
Starch solution is handled 1 time with high-speed jet device, the starch solution after being handled, then by the starch solution after processing through hypervelocity
Centrifuge, centrifuged respectively under 10000rpm, 20000rpm, 30000rpm, 40000rpm, 50000rpm, 60000rpm rotating speed
15min, the supernatant obtained after centrifugation every time is taken, every time after centrifugation, centrifuge bottom precipitation returns to high-speed jet device and carried out
High-speed jet is handled, and untill after centrifuging again without precipitation, obtains various sizes of starch granules；
（4）By step（3）The obtained starch solution containing different sized starch particles is introduced into electrophoresis tank, in electrophoresis tank
0.3% cationic surfactant cetyl trimethylammonium bromide of colloidal particle quality in middle addition electrophoresis tank, open electricity
Swimming；Deposition condition is：Positive and negative die opening 20cm, voltage 60V, conduction time 18min, colloidal particle concentration are 1.1mg/ml；
（5）Set electrophoresis tank pole plate to be shaped as square, obtain on square collector patterning assembling, have not
With the starch granules of size.
Embodiment 4 realizes the present invention using following steps：
（1）Starch is taken, ultramicro grinding processing 1.5h, obtains starch sample；
（2）Starch sample is taken, mass concentration is configured to as 12% starch solution using distilled water, by starch solution through high pressure
Homogenizer homogenization 2 times, make starch granules fully dispersed in aqueous；
（3）The processing pressure 260MPa of high-speed jet device is set, by step（2）By high pressure homogenizer homogenization
Starch solution is handled 2 times with high-speed jet device, the starch solution after being handled, then by the starch solution after processing through hypervelocity
Centrifuge, centrifuged respectively under 10000rpm, 20000rpm, 30000rpm, 40000rpm, 50000rpm, 60000rpm rotating speed
25min, the supernatant obtained after centrifugation every time is taken, every time after centrifugation, centrifuge bottom precipitation returns to high-speed jet device and carried out
High-speed jet is handled, and untill after centrifuging again without precipitation, obtains various sizes of starch granules；
（4）By step（3）The obtained starch solution containing different sized starch particles is introduced into electrophoresis tank, in electrophoresis tank
0.25% cationic surfactant cetyl trimethylammonium bromide of colloidal particle quality in middle addition electrophoresis tank, open
Electrophoresis；Deposition condition is：Positive and negative die opening 20cm, voltage 60V, conduction time 15-20min, colloidal particle concentration are 1.0mg/
ml；
（5）Set electrophoresis tank pole plate to be shaped as rectangle, obtain on square collector patterning assembling, have not
With the starch granules of size.
Embodiment 5 realizes the present invention using following steps：
（1）Starch is taken, ultramicro grinding processing 2h, obtains starch sample；
（2）Starch sample is taken, mass concentration is configured to as 8% starch solution using distilled water, starch solution is equal through high pressure
Matter machine homogenization 1 time, make starch granules fully dispersed in aqueous；
（3）The processing pressure 260MPa of high-speed jet device is set, by step（2）By high pressure homogenizer homogenization
Starch solution is handled 3 times with high-speed jet device, the starch solution after being handled, then by the starch solution after processing through hypervelocity
Centrifuge, centrifuged respectively under 10000rpm, 20000rpm, 30000rpm, 40000rpm, 50000rpm, 60000rpm rotating speed
20min, the supernatant obtained after centrifugation every time is taken, every time after centrifugation, centrifuge bottom precipitation returns to high-speed jet device and carried out
High-speed jet is handled, and untill after centrifuging again without precipitation, obtains various sizes of starch granules；
（4）By step（3）The obtained starch solution containing different sized starch particles is introduced into electrophoresis tank, in electrophoresis tank
0.35% cationic surfactant cetyl trimethylammonium bromide of colloidal particle quality in middle addition electrophoresis tank, open
Electrophoresis；Deposition condition is：Positive and negative die opening 20cm, voltage 60V, conduction time 20min, colloidal particle concentration are 1.1mg/ml；
（5）Set electrophoresis tank pole plate to be shaped as rhombus, obtain on square collector patterning assembling, there is difference
The starch granules of size.
Claims (9)
1. preparation and the collection method of a kind of starch granules, it is characterised in that：Comprise the following steps：
（1）Starch is taken, is handled by ultramicro grinding, obtains starch sample；
（2）Starch sample is taken, is configured to starch solution, by starch solution through high pressure homogenizer homogenization, fills starch granules
Disperse in aqueous；
（3）By step（2）Starch solution by high pressure homogenizer homogenization is handled with high-speed jet device, after obtaining processing
Starch solution, then the starch solution after processing centrifuged through ultracentrifuge, the size of starch granules is classified, do not reached
Dimensional standard continues high-speed jet processing, finally gives the starch solution containing different sized starch particles；
（4）By step（3）The obtained starch solution containing different sized starch particles introduces electrophoresis tank, is added in electrophoresis tank
Cationic surfactant, open electrophoresis；
（5）Adjust electrophoresis tank pole plate shape, obtain on the collector patterning assembling, there is various sizes of starch
Grain.
2. preparation and the collection method of starch granules according to claim 1, it is characterised in that：The step（1）In surpass
The Crushing of Ultrafine time is 1-2h.
3. preparation and the collection method of starch granules according to claim 1, it is characterised in that：The step（1）Middle shallow lake
The mass concentration of powder solution is less than 20%.
4. preparation and the collection method of starch granules according to claim 1, it is characterised in that：The step（2）Middle height
It is 1-3 times to press homogenizer number of processes.
5. preparation and the collection method of starch granules according to claim 1, it is characterised in that：The step（3）Middle height
The processing pressure of fast fluidic device is arranged to：260MPa, number of processes are 1-3 times.
6. preparation and the collection method of starch granules according to claim 1, it is characterised in that：The step（3）In surpass
The centrifugal specific method of speed is：Respectively 10000rpm, 20000rpm, 30000rpm, 40000rpm, 50000rpm,
15-30min is centrifuged under 60000rpm rotating speeds, takes the supernatant obtained after centrifugation every time, every time after centrifugation, centrifuges the heavy of motor spindle
Form sediment and return to the progress high-speed jet processing of high-speed jet device, untill after centrifuging again without precipitation.
7. preparation and the collection method of starch granules according to claim 1, it is characterised in that：The step（4）Middle institute
It is cetyl trimethylammonium bromide to state cationic surfactant, and its dosage is the 0.2- of colloidal particle quality in electrophoresis tank
0.4%。
8. preparation and the collection method of starch granules according to claim 1, it is characterised in that：The deposition condition is：
Positive and negative die opening 20cm, voltage 60V, conduction time 15-20min, colloidal particle concentration are 1.0-1.2mg/mL.
9. prepare and collect obtained starch granules using the preparation of the starch granules described in claim 1 and collection method to be used for
Prepare functional starch film or have pattern paper.
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| CN107189085A (en) * | 2017-07-06 | 2017-09-22 | 中国热带农业科学院农产品加工研究所 | A kind of nano-starch and preparation method and application |
| CN107759811A (en) * | 2017-10-31 | 2018-03-06 | 广西大学 | A kind of preparation method of starch nano-microsphere |
| CN110372801B (en) * | 2019-07-25 | 2021-06-29 | 滁州学院 | Enzymatic method synchronous processing method of single-particle gordon euryale seed raw starch and related products |
| CN114392209A (en) * | 2021-12-29 | 2022-04-26 | 安吉鲁沃夫生物科技有限公司 | Hand sanitizer with long-acting sterilization effect |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003033540A2 (en) * | 2001-10-17 | 2003-04-24 | Basf Plant Science Gmbh | Starch |
| CN1462763A (en) * | 2003-06-09 | 2003-12-24 | 湖南大学 | Nano granule of polylysine amylum and its preparation method as well as application gene carrier |
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2016
- 2016-05-12 CN CN201610313674.6A patent/CN105924656B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003033540A2 (en) * | 2001-10-17 | 2003-04-24 | Basf Plant Science Gmbh | Starch |
| CN1462763A (en) * | 2003-06-09 | 2003-12-24 | 湖南大学 | Nano granule of polylysine amylum and its preparation method as well as application gene carrier |
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