CN105777914A - Potato starch and making method thereof - Google Patents
Potato starch and making method thereof Download PDFInfo
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- CN105777914A CN105777914A CN201610127301.XA CN201610127301A CN105777914A CN 105777914 A CN105777914 A CN 105777914A CN 201610127301 A CN201610127301 A CN 201610127301A CN 105777914 A CN105777914 A CN 105777914A
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- preparation
- potato
- potato starch
- filtrate
- starch
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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
- C08B30/048—Extraction or purification from potatoes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- 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)
- Preparation Of Fruits And Vegetables (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention discloses potato starch and a making method thereof.The making method includes the steps that sliced potatoes are put in an ultrasonic pulverizer, clear water is added, the mixture is stirred and ground into pulp, the pulp is sieved, residues are removed, filtrate is obtained, the filter residues are flushed with pure water, the filtrate is combined, and glacial acetic acid with the mass fraction of 0.2%-0.5% is added into the combined filtrate for sterilization; the filtrate is subjected to ultraviolet disinfection and then put in a CO2 supercritical fluid extraction machine, fluid extraction is conducted under the conditions that the temperature ranges from 25 DEG C to 40 DEG C, the pressure ranges from 0.10 MPa to 1.0 MPa and the CO2 flow speed ranges from 25 m/s to 60 m/s, an obtained extracted product is dried and smashed, and then the potato starch with the granularity of 5 micrometers-15 micrometers is obtained.The finished product made through the making method of the potato starch is good in quality, low in making cost, simple in process and easy to popularize.
Description
Technical field
The invention belongs to food processing field, be specifically related to a kind of potato starch and preparation method thereof.
Background technology
Potato is one of main component during current agricultural produces, the staple crops shape in agricultural production especially
Formula, therefore from many application modes and application model during it is applied.Starch industry becomes
For the important step in current food processing enterprises and mode.Potato starch is the most normal in current people life
One of starch form seen, in its manufacture craft, various problems and mode are to meet the basis of people's starch demand
Premise and key factor.Application potato is produced starch and is had a long history, continuous along with science and technology
Progressive, its technique have also been obtained the most perfect, more scientific, has more transformation efficiency, simultaneously potato
Starch, as green health food, is made into diversified food forms and by people's in life
Extensively like.
Chinese patent CN200810031186.1 discloses a kind of starch from sweet potato and produces and potato Slag treatment work
Skill, its technological process includes: carry, clean, size degradation, screenings separate (potato slag press filtration, potato slag be broken,
Be dried, potato cinder ladle dress), starch magma filter, separate, starch milk dehydration, starch from sweet potato be dried, gas powder
Separate, sieve, starch from sweet potato packaging, starch from sweet potato finished product.But this patent process operations is complicated and
Process costs is high, prepared by the extraction being not suitable for potato starch.
Chinese patent CN201010536347.X discloses the preparation method of a kind of potato starch, is entered by potato
Row cleans, and is then placed in pulverizer and pulverizes, and precipitation and separation filters off the moisture on upper strata, and starch is carried out after making
Purify, remove impurity therein, be dehydrated, the powder that the starch after dehydration is dried.But
The recovery rate of this patent preparation method is relatively low, and the color of potato starch is the most impure, applies restricted.
Therefore be badly in need of a kind of preparing quality of finished product good, preparation cost is low, technique is simple, easy to spread potato
Starch preparation method.
Summary of the invention
The present invention is directed to the problems referred to above, it is provided that a kind of potato starch and preparation method thereof.
The present invention solves the problems referred to above and be the technical scheme is that
The preparation method of a kind of potato starch, comprises the following steps:
Step S1, puts in ultrasonic grinder by the potato of section, adds clear water, and stirring is polished into
Slurries, sieve removal residue, obtains filtrate, and rinses filter residue with pure water, merging filtrate, and to merging
Filtrate is added the glacial acetic acid that mass fraction is 0.2%-0.5% and carries out sterilization treatment；Wherein add glacial acetic acid,
Making the solanine in potato solution destroy, improve the security of starch, acetic acid molecule can become solvable simultaneously
The nucleus of starch, promotes the precipitation of solubility potato starch, improves the recovery rate of potato starch, method letter
Single, efficiency is high.
Step S2, the filtrate processed through step S1 puts into CO after disinfection by ultraviolet light2Supercritical fluid extracts
Taking in instrument, be 25 DEG C-40 DEG C in temperature, pressure is 0.10MPa-1.0MPa, CO2Flow velocity is 25m/s-60m/s
Under conditions of carry out fluid extraction, after being dried, pulverizing, to obtain granularity be 5 μm-15 μm to gained extraction product
Potato starch.
Further, in step S1, also include before putting into ultrasonic grinder fresh potato is carried out clearly
The step wash, sterilized, particularly as follows: take fresh potato, cleans potato surface sludge, then uses slicer
Section, and addition mass fraction is the citric acid solution of 0.10%-0.40% in a slice, section is soaked completely
Not yet, stir, then at a temperature of 4 DEG C-8 DEG C, be standing and soak for 1.5h-3.5h.
Further, the thickness of section is: 3mm-5mm.
Further, in step S1, the supersonic frequency of ultrasonic grinder is: 3000Hz-6000Hz.
Further, in step S1, the speed of stirring is: 1500r/min-7000r/min.
Further, in step S1, sieve for: take the beater of sieve diameter 0.1mm-0.4mm, mistake
Filter obtains filtrate.
Further, in step S2, the UV power of disinfection by ultraviolet light is: 400W-750W.
Further, in step S2, the water content of potato starch is less than 5%.
Further, in step S2, it is dried and is: under the conditions of 60 DEG C-80 DEG C, be vacuum dried 1h-2.5h.
It is another object of the present invention to provide a kind of potato starch, use the making described in any of the above-described item
Method is made.
The invention have the advantage that
1. the present invention uses CO2Supercritical fluid processes extraction potato starch, have production efficiency high,
Product purity height remarkable advantage, high to the use utilization rate of raw material, and environmentally safe,
CO2Supercritical fluid can be reused, and reduces production cost；
2. the present invention uses ultrasonic wave to pulverize, and has crush efficiency height, pulverized particles uniformly, saves
Time labour-saving advantage, and simple to operate, stable process conditions；
3. the present invention adds glacial acetic acid, and ultraviolet disinfection is used in combination, it is possible to destroy in potato
The solanine alkaloid contained, improves the safety in utilization of potato starch, to health
Useful；
Potato starch quality prepared by preparation method the most of the present invention is good, in good taste, and product particle degree is homogeneous,
Color and luster is pure, steady quality.
Detailed description of the invention
Hereinafter embodiments of the invention are described in detail, but the present invention can be defined by the claims and
The multitude of different ways covered is implemented.
Embodiment 1
A kind of preparation method of potato starch
Comprise the following steps:
Step S1, takes fresh potato, cleans potato surface sludge, and then cutting thickness with slicer is 3mm
Section, and in a slice add mass fraction be the citric acid solution of 0.10%, section is totally submerged,
Stir, then at a temperature of 4 DEG C, be standing and soak for 1.5h, the potato of section is put into supersonic frequency
For: in the ultrasonic grinder of 3000Hz, add clear water, stir under the rotating speed of 1500r/min and be polished into
Slurries, take the beater of sieve diameter 0.1mm, are filtrated to get filtrate, remove residue, obtain filtrate,
And rinse filter residue, merging filtrate with pure water, and interpolation mass fraction is the ice of 0.2% in merging filtrate
Acetic acid carries out sterilization treatment；
Step S2, the filtrate processed through step S1 is put into after the disinfection by ultraviolet light that power is 400W
CO2In supercritical fluid extraction instrument, being 25 DEG C in temperature, pressure is 0.10MPa, CO2Flow velocity is 25m/s
Under conditions of carry out fluid extraction, gained extraction product is vacuum dried 1h under the conditions of 60 DEG C, after pulverizing
To granularity be 5 μm, water content be the potato starch of 5%.
Embodiment 2
A kind of preparation method of potato starch
Comprise the following steps:
Step S1, takes fresh potato, cleans potato surface sludge, and then cutting thickness with slicer is 5mm
Section, and in a slice add mass fraction be the citric acid solution of 0.40%, section is totally submerged,
Stir, then at a temperature of 8 DEG C, be standing and soak for 3.5h, the potato of section is put into supersonic frequency
For: in the ultrasonic grinder of 6000Hz, add clear water, stir under the rotating speed of 7000r/min and be polished into
Slurries, take the beater of sieve diameter 0.4mm, are filtrated to get filtrate, remove residue, obtain filtrate,
And rinse filter residue, merging filtrate with pure water, and interpolation mass fraction is the ice of 0.5% in merging filtrate
Acetic acid carries out sterilization treatment；
Step S2, the filtrate processed through step S1 is put into after the disinfection by ultraviolet light that power is 750W
CO2In supercritical fluid extraction instrument, being 40 DEG C in temperature, pressure is 1.0MPa, CO2Flow velocity is 60m/s
Under conditions of carry out fluid extraction, gained extraction product is vacuum dried 2.5h under the conditions of 80 DEG C, after pulverizing
Obtaining granularity is 15 μm, the water content potato starch less than 3.5%.
Embodiment 3
A kind of preparation method of potato starch
Comprise the following steps:
Step S1, takes fresh potato, cleans potato surface sludge, and then cutting thickness with slicer is 4mm
Section, and in a slice add mass fraction be the citric acid solution of 0.25%, section is totally submerged,
Stir, then at a temperature of 6 DEG C, be standing and soak for 2.5h, the potato of section is put into supersonic frequency
For: in the ultrasonic grinder of 4500Hz, add clear water, stir under the rotating speed of 4250r/min and be polished into
Slurries, take the beater of sieve diameter 0.25mm, are filtrated to get filtrate, remove residue, obtain filtrate,
And rinse filter residue, merging filtrate with pure water, and interpolation mass fraction is the ice of 0.35% in merging filtrate
Acetic acid carries out sterilization treatment；
Step S2, the filtrate processed through step S1 is put into after the disinfection by ultraviolet light that power is 575W
CO2In supercritical fluid extraction instrument, being 32.5 DEG C in temperature, pressure is 0.55MPa, CO2Flow velocity is 43m/s
Under conditions of carry out fluid extraction, gained extraction product is vacuum dried 1.7h under the conditions of 70 DEG C, after pulverizing
Obtaining granularity is 10 μm, the water content potato starch less than 4%.
Experimental example
In this experimental example, by the material property of the experiment test present invention made potato starch preparation method.
1. test material
Experimental group: the experimental data of the made potato starch of the embodiment of the present invention 1～3；
Control group: common commercially available potato starch experimental data.
2. test method
Analyze the made potato starch of the embodiment of the present invention 1～3, the making effect of common commercially available potato starch.
3. result of the test
The made potato starch of the embodiment of the present invention 1～3, the experimental data of common commercially available potato starch are carried out
Analyzing, experimental result is shown in Table 1.
Table 1. test result
Experimental result shows, compared with common commercially available potato starch, and the made potato of the embodiment of the present invention 1～3
Starch product quality is high, and production method consumption is little, preparation efficiency is high, and preparation time is short.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for this area
For technical staff, the present invention can have various modifications and variations.All within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. the preparation method of a potato starch, it is characterised in that comprise the following steps:
Step S1, puts in ultrasonic grinder by the potato of section, adds clear water, stirring polishing
Becoming slurries, sieve removal residue, obtains filtrate, and rinses filter residue with pure water, merging filtrate, and
In merging filtrate, add the glacial acetic acid that mass fraction is 0.2%-0.5% carry out sterilization treatment；
Step S2, the filtrate processed through step S1 puts into CO after disinfection by ultraviolet light2Shooting flow
In body abstraction instrument, being 25 DEG C-40 DEG C in temperature, pressure is 0.10MPa-1.0MPa, CO2Flow velocity is
Carrying out fluid extraction under conditions of 25m/s-60m/s, gained extraction product obtains after being dried, pulverizing
To the potato starch that granularity is 5 μm-15 μm.
Preparation method the most according to claim 1, it is characterised in that in step S1, described in put into super
The step fresh potato being carried out, sterilizing also is included, particularly as follows: take fresh before sonic disintegrator
Potato, clean potato surface sludge, then with microtome, and add quality in a slice and divide
Number is the citric acid solution of 0.10%-0.40%, section is totally submerged, stirs, then exists
It is standing and soak for 1.5h-3.5h at a temperature of 4 DEG C-8 DEG C.
Preparation method the most according to claim 2, it is characterised in that the thickness of described section is:
3mm-5mm。
Preparation method the most according to claim 1, it is characterised in that in step S1, described ultrasonic wave powder
The supersonic frequency of broken machine is: 3000Hz-6000Hz.
Preparation method the most according to claim 1, it is characterised in that in step S1, the speed of described stirring
Degree is: 1500r/min-7000r/min.
Preparation method the most according to claim 1, it is characterised in that in step S1, described in sieve into:
Take the beater of sieve diameter 0.1mm-0.4mm, be filtrated to get filtrate.
Preparation method the most according to claim 1, it is characterised in that in step S2, described ultraviolet disappears
The UV power of poison is: 400W-750W.
Preparation method the most according to claim 1, it is characterised in that in step S2, described potato starch
Water content less than 5%.
Preparation method the most according to claim 1, it is characterised in that in step S2, described being dried is:
1h-2.5h it is vacuum dried under the conditions of 60 DEG C-80 DEG C.
10. a potato starch, it is characterised in that use the preparation method system according to any one of claim 1-9
Form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610127301.XA CN105777914A (en) | 2016-03-08 | 2016-03-08 | Potato starch and making method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610127301.XA CN105777914A (en) | 2016-03-08 | 2016-03-08 | Potato starch and making method thereof |
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| Publication Number | Publication Date |
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| CN105777914A true CN105777914A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610127301.XA Pending CN105777914A (en) | 2016-03-08 | 2016-03-08 | Potato starch and making method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414023A (en) * | 2001-09-06 | 2003-04-30 | 国家淀粉及化学投资控股公司 | Method for purifying starch |
| CN1446826A (en) * | 2002-03-22 | 2003-10-08 | 张万学 | Technique of producing potato starch |
| WO2009072008A3 (en) * | 2007-12-06 | 2011-04-28 | The Governors Of The University Of Alberta | Isolation and characterization of distiller grains derived from starch hydrolysis of agricultural products |
| CN104892776A (en) * | 2015-06-15 | 2015-09-09 | 贾喜学 | Potato starch processing method |
| CN105367671A (en) * | 2015-12-14 | 2016-03-02 | 管仕勇 | Preparation method of potato starch |
-
2016
- 2016-03-08 CN CN201610127301.XA patent/CN105777914A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414023A (en) * | 2001-09-06 | 2003-04-30 | 国家淀粉及化学投资控股公司 | Method for purifying starch |
| CN1446826A (en) * | 2002-03-22 | 2003-10-08 | 张万学 | Technique of producing potato starch |
| WO2009072008A3 (en) * | 2007-12-06 | 2011-04-28 | The Governors Of The University Of Alberta | Isolation and characterization of distiller grains derived from starch hydrolysis of agricultural products |
| CN104892776A (en) * | 2015-06-15 | 2015-09-09 | 贾喜学 | Potato starch processing method |
| CN105367671A (en) * | 2015-12-14 | 2016-03-02 | 管仕勇 | Preparation method of potato starch |
Non-Patent Citations (3)
| Title |
|---|
| 罗杨合: "《化学分离分析方法与技术研究》", 30 January 2014, 中国商务出版社 * |
| 葛发欢: "《中药超临界二氧化碳萃取技术研究》", 31 March 2014, 中国医药科技出版社 * |
| 蔡怀新: "《基础物理学 下》", 30 June 2003, 高等教育出版社 * |
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Application publication date: 20160720 |