CN106699910A - Preparation method of corn denatured starch - Google Patents

Preparation method of corn denatured starch Download PDF

Info

Publication number
CN106699910A
CN106699910A CN201611170168.2A CN201611170168A CN106699910A CN 106699910 A CN106699910 A CN 106699910A CN 201611170168 A CN201611170168 A CN 201611170168A CN 106699910 A CN106699910 A CN 106699910A
Authority
CN
China
Prior art keywords
weight
cornstarch
preparation
corn starch
raw material
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.)
Granted
Application number
CN201611170168.2A
Other languages
Chinese (zh)
Other versions
CN106699910B (en
Inventor
黄耀思
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Golden Maize Agricultural Science And Technology Development Co ltd
Original Assignee
Tian'e County Quansheng Bee Industry Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tian'e County Quansheng Bee Industry Technology Co Ltd filed Critical Tian'e County Quansheng Bee Industry Technology Co Ltd
Priority to CN201611170168.2A priority Critical patent/CN106699910B/en
Publication of CN106699910A publication Critical patent/CN106699910A/en
Application granted granted Critical
Publication of CN106699910B publication Critical patent/CN106699910B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00Preparation of derivatives of starch
    • C08B31/18Oxidised starch
    • C08B31/185Derivatives of oxidised starch, e.g. crosslinked oxidised starch
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00Preparation of derivatives of starch
    • C08B31/16Ether-esters
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/04Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/14Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Cereal-Derived Products (AREA)

Abstract

The invention discloses a preparation method of corn denatured starch. The preparation method of the corn denatured starch comprises the following steps: (1) preparing slurry by using corn starch and water; (2) adding sodium chlorate and amylase into the corn starch slurry, stirring uniformly and reacting at the temperature of 50 to 60 DEG C for 30 to 60 minutes; (3) adding hydrogen peroxide and an oxidation catalyst into the corn starch slurry and mixing; (4) adding sodium chloroacetate, acetic anhydride, a cross-linking agent and hydroxy propyl distarch phosphate into the slurry, mixing, adding hydrochloric acid and adjusting the pH value to be 6 to 7; (5) washing starch slurry, centrifuging and drying until the water content is below 15 percent, heating to the temperature of 100 to 120 DEG C again, maintaining the temperature for 0.5 to 1 hour and cooling to obtain the denatured starch. According to the corn denatured starch prepared by the method provided by the invention, fresh meat is soaked into a solution of the denatured corn starch and then is taken out, the drip loss of the meat in the storage process can be reduced, the water content and the pH value of the meat are increased, and the influence on the meat color is little.

Description

A kind of preparation method of modified corn starch
Technical field
The present invention relates to converted starch field, more particularly to a kind of preparation method of modified corn starch.
Background technology
China's corn annual production is 1.2 hundred million t or so, occupies second place of the world, and cheap, latent with very big exploitation Power.Corn is due to aboundresources, and content of starch is high, and average content is 71.6%, therefore modern starch industry is main with corn Based on.The processing of corn is both the extension and in-depth of agricultural production, is again the upstream industry of industrial processes.
Cornstarch is applied to many industries, and the starch in the current world more than 90% is all cornstarch.Although corn forms sediment Powder has the incomparable advantage of many other kind of kind of starch, but because it does not dissolve in cold water, gelatinized corn starch easily aging dehydration, envelope Difference, lack emulsifying ability, the weak point such as mechanical resistant difference and limit its range of application, and converted starch by physics, chemistry or The means of enzyme change the property of native starch, improve the performance of cornstarch, improve to heat, acid, freezing change it is steady It is qualitative, make it have stronger application value.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the invention, without answering In being considered as recognizing or imply in any form that the information structure has been the prior art well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of preparation method of modified corn starch, so as to overcome denaturation cornstarch to use When meat is processed, meat poor water retention property, the shortcoming of taste bad.
To achieve the above object, the invention provides a kind of preparation method of modified corn starch, comprise the following steps:
(1) slurries are made with cornstarch and water, control the corn starch liquid that its Baume degrees is 16-22Be;
(2) sodium chlorate and amylase are added in cornstarch slurries obtained in step (1), is stirred, be in temperature 30-60min is reacted under conditions of 50-60 DEG C;
(3) hydrogen peroxide and oxidation catalyst is added to be mixed in the cornstarch slurries after step (2) treatment;
(4) sodium chloroacetate, acetic anhydride, crosslinking agent and the starch phosphate of hydroxypropyl two are added in slurry obtained in step (3) Ester mixes, and is reacted 2-4 hours under conditions of being 40-50 DEG C in temperature, is subsequently adding hydrochloric acid, and regulation pH value is to 6-7;
(5) starch plasm scouring, centrifugation, drying to water content obtained in step (4) are less than 15%, then are warming up to 100- 120 DEG C, kept for 0.5-1 hours, cooling can obtain converted starch.
Preferably, in above-mentioned technical proposal, the weight that sodium chlorate is added in the step (2) is cornstarch raw material weight 0.4-0.9%;The weight of amylase is added for the 0.3-0.7% of cornstarch raw material weight.
Preferably, in above-mentioned technical proposal, oxidation catalyst is copper sulphate in the step (3), and the consumption of copper sulphate is The 0.08-0.1% of the weight of cornstarch raw material.
Preferably, in above-mentioned technical proposal, the weight that hydrogen peroxide is added in the step (3) is cornstarch raw material weight The 0.6-1.1% of amount.
Preferably, in above-mentioned technical proposal, crosslinking agent is in POCl3 or epoxychloropropane in the step (4) Plant or two kinds, addition is the 0.2-0.7% of former cornstarch weight.
Preferably, in above-mentioned technical proposal, the weight that sodium chloroacetate is added in the step (4) is cornstarch raw material weight The 0.3-0.7% of amount.
Preferably, in above-mentioned technical proposal, the weight that acetic anhydride is added in the step (4) is cornstarch raw material weight 0.7-1.3%.
Preferably, in above-mentioned technical proposal, the weight that hydroxypropyl PASELLI EASYGEL is added in the step (4) is corn The 0.2-0.5% of starch material weight.
Compared with prior art, the present invention has the advantages that:The corn denaturation that the inventive method is prepared is formed sediment Powder, by the solution of fresh meat immersion cornstarch after denaturing, further takes out, it is possible to decrease meat drips in storage Loss, improves the moisture and pH value of meat, while little to the Color influences of meat.The surface of meat can form sediment with the corn after denaturation Powder solidification, bonding, and network structure is formed, denaturation cornstarch can form myogen fine with the protein-colloid synthesis and ubiquit in meat Fibrillarin gel, improves the water-retaining property of meat products.
Specific embodiment
With reference to specific embodiment, specific embodiment of the invention is described in detail, it is to be understood that this hair Bright protection domain is not limited by specific embodiment.
Embodiment 1
A kind of preparation method of modified corn starch, comprises the following steps:
(1) 2 tons of cornstarch needed for preparing production, slurries are made with cornstarch and water, control its Baume degrees to be The corn starch liquid of 19Be;
(2) sodium chlorate and amylase are added in cornstarch slurries obtained in step (1), is stirred, add chloric acid The weight of sodium is the 0.6% of cornstarch raw material weight;It is the 0.4% of cornstarch raw material weight to add the weight of amylase, 40min is reacted under conditions of being 50-60 DEG C in temperature;
(3) hydrogen peroxide and copper sulphate is added to be mixed in the cornstarch slurries after step (2) treatment;Copper sulphate Consumption be the 0.09% of the weight of cornstarch raw material, add the weight of hydrogen peroxide for cornstarch raw material weight 0.8%;
(4) sodium chloroacetate, acetic anhydride, crosslinking agent and the starch phosphate of hydroxypropyl two are added in slurry obtained in step (3) Ester mixes, and is reacted 3 hours under conditions of being 40-50 DEG C in temperature, is subsequently adding hydrochloric acid, and regulation pH value is to 6.5;
It is the 0.5% of cornstarch raw material weight to add the weight of sodium chloroacetate, adds the weight of acetic anhydride to be formed sediment for corn The 0.9% of powder raw material weight;Crosslinking agent is POCl3, and addition is the 0.5% of former cornstarch weight;Add hydroxypropyl two The weight of starch phosphate is the 0.3% of cornstarch raw material weight.
(5) starch plasm scouring, centrifugation, drying to water content obtained in step (4) are less than 15%, then are warming up to 100- 120 DEG C, kept for 1 hour, cooling can obtain converted starch.
Embodiment 2
A kind of preparation method of modified corn starch, comprises the following steps:
(1) 2 tons of cornstarch needed for preparing production, slurries are made with cornstarch and water, control its Baume degrees to be The corn starch liquid of 16Be;
(2) sodium chlorate and amylase are added in cornstarch slurries obtained in step (1), is stirred, add chloric acid The weight of sodium is the 0.4% of cornstarch raw material weight;It is the 0.7% of cornstarch raw material weight to add the weight of amylase, 60min is reacted under conditions of being 50-60 DEG C in temperature;
(3) hydrogen peroxide and copper sulphate is added to be mixed in the cornstarch slurries after step (2) treatment;Copper sulphate Consumption be the 0.08% of the weight of cornstarch raw material, add the weight of hydrogen peroxide for cornstarch raw material weight 1.1%;
(4) sodium chloroacetate, acetic anhydride, crosslinking agent and the starch phosphate of hydroxypropyl two are added in slurry obtained in step (3) Ester mixes, and is reacted 2 hours under conditions of being 40-50 DEG C in temperature, is subsequently adding hydrochloric acid, and regulation pH value is to 6;
It is the 0.3% of cornstarch raw material weight to add the weight of sodium chloroacetate;The weight of acetic anhydride is added to be formed sediment for corn The 1.3% of powder raw material weight;Crosslinking agent is epoxychloropropane, and addition is the 0.2% of former cornstarch weight;Add hydroxypropyl The weight of PASELLI EASYGEL is the 0.5% of cornstarch raw material weight.
(5) starch plasm scouring, centrifugation, drying to water content obtained in step (4) are less than 15%, then are warming up to 100- 120 DEG C, kept for 0.5 hour, cooling can obtain converted starch.
Embodiment 3
A kind of preparation method of modified corn starch, comprises the following steps:
(1) 2 tons of cornstarch needed for preparing production, slurries are made with cornstarch and water, control its Baume degrees to be The corn starch liquid of 22Be;
(2) sodium chlorate and amylase are added in cornstarch slurries obtained in step (1), is stirred, add chloric acid The weight of sodium is the 0.9% of cornstarch raw material weight;It is the 0.3% of cornstarch raw material weight to add the weight of amylase, 30min is reacted under conditions of being 50-60 DEG C in temperature;
(3) hydrogen peroxide and copper sulphate is added to be mixed in the cornstarch slurries after step (2) treatment;Copper sulphate Consumption be the 0.1% of the weight of cornstarch raw material, add the weight of hydrogen peroxide for cornstarch raw material weight 0.6%;
(4) sodium chloroacetate, acetic anhydride, crosslinking agent and the starch phosphate of hydroxypropyl two are added in slurry obtained in step (3) Ester mixes, and is reacted 4 hours under conditions of being 40-50 DEG C in temperature, is subsequently adding hydrochloric acid, and regulation pH value is to 7;
It is the 0.7% of cornstarch raw material weight to add the weight of sodium chloroacetate, adds the weight of acetic anhydride to be formed sediment for corn The 0.7% of powder raw material weight, crosslinking agent is one or two in POCl3 or epoxychloropropane, and addition is that former corn forms sediment The 0.7% of powder weight, it is the 0.2% of cornstarch raw material weight to add the weight of hydroxypropyl PASELLI EASYGEL.
(5) starch plasm scouring, centrifugation, drying to water content obtained in step (4) are less than 15%, then are warming up to 100- 120 DEG C, kept for 1 hour, cooling can obtain converted starch.
Meat is processed using maize modified starch
Test method is as follows:Take 4 pieces of pigs and carry on the back flesh long, every piece of 2kg, then by three pieces of porks respectively as embodiment 1-3 systems Soaked in the modified corn starch solution for obtaining, i.e., one piece of pork soaked in modified corn starch solution obtained in each embodiment, As experimental group.Pork after immersion is refrigerated, then is detected moisture and the loss amount of storage in pork.It is remaining one piece Used as blank test, cold preservation time is identical with experimental group.
Table 1:Modified corn starch water retention property is tested
As shown in table 1, when being processed to meat products using modified corn starch of the present invention, moisture control exists 88.64-88.75%, storage losses are in 5.01-5.10%.By contrast, the corn prepared using the present invention is denatured Starch processes meat products, it is possible to decrease meat drip loss in storage, improves the moisture of meat.
The foregoing description to specific illustrative embodiment of the invention be in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed And change.The purpose of selecting and describing the exemplary embodiment is that explaining that certain principles of the invention and its reality should With so that those skilled in the art can realize and using a variety of exemplaries of the invention and A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (8)

1. a kind of preparation method of modified corn starch, it is characterised in that comprise the following steps:
(1) slurries are made with cornstarch and water, control the corn starch liquid that its Baume degrees is 16-22Be;
(2) sodium chlorate and amylase are added in cornstarch slurries obtained in step (1), is stirred, be 50-60 in temperature 30-60min is reacted under conditions of DEG C;
(3) hydrogen peroxide and oxidation catalyst is added to be mixed in the cornstarch slurries after step (2) treatment;
(4) add sodium chloroacetate, acetic anhydride, crosslinking agent and hydroxypropyl PASELLI EASYGEL mixed in slurry obtained in step (3) Close, reacted 2-4 hours under conditions of being 40-50 DEG C in temperature, be subsequently adding hydrochloric acid, regulation pH value is to 6-7;
(5) starch plasm scouring, centrifugation, drying to water content obtained in step (4) are less than 15%, then are warming up to 100-120 DEG C, being kept for 0.5-1 hours, cooling can obtain converted starch.
2. the preparation method of modified corn starch according to claim 1, it is characterised in that added in the step (2) The weight of sodium chlorate is the 0.4-0.9% of cornstarch raw material weight;The weight for adding amylase is cornstarch raw material weight 0.3-0.7%.
3. the preparation method of modified corn starch according to claim 1, it is characterised in that oxidation in the step (3) Catalyst is copper sulphate, and the consumption of copper sulphate is the 0.08-0.1% of the weight of cornstarch raw material.
4. the preparation method of modified corn starch according to claim 1, it is characterised in that added in the step (3) The weight of hydrogen peroxide is the 0.6-1.1% of cornstarch raw material weight.
5. the preparation method of modified corn starch according to claim 1, it is characterised in that crosslinking in the step (4) Agent is one or two in POCl3 or epoxychloropropane, and addition is the 0.2-0.7% of former cornstarch weight.
6. the preparation method of modified corn starch according to claim 1, it is characterised in that added in the step (4) The weight of sodium chloroacetate is the 0.3-0.7% of cornstarch raw material weight.
7. the preparation method of modified corn starch according to claim 1, it is characterised in that added in the step (4) The weight of acetic anhydride is the 0.7-1.3% of cornstarch raw material weight.
8. the preparation method of modified corn starch according to claim 1, it is characterised in that added in the step (4) The weight of hydroxypropyl PASELLI EASYGEL is the 0.2-0.5% of cornstarch raw material weight.
CN201611170168.2A 2016-12-16 2016-12-16 A kind of preparation method of modified corn starch Active CN106699910B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611170168.2A CN106699910B (en) 2016-12-16 2016-12-16 A kind of preparation method of modified corn starch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611170168.2A CN106699910B (en) 2016-12-16 2016-12-16 A kind of preparation method of modified corn starch

Publications (2)

Publication Number Publication Date
CN106699910A true CN106699910A (en) 2017-05-24
CN106699910B CN106699910B (en) 2019-10-25

Family

ID=58939235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611170168.2A Active CN106699910B (en) 2016-12-16 2016-12-16 A kind of preparation method of modified corn starch

Country Status (1)

Country Link
CN (1) CN106699910B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194854A (en) * 2019-05-21 2019-09-03 广西高源淀粉有限公司 A kind of composite modified starch and preparation method thereof
CN110372806A (en) * 2019-07-30 2019-10-25 诸城兴贸玉米开发有限公司 A kind of emgloves interleaving agent converted starch

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101104642A (en) * 2007-07-26 2008-01-16 江门市科恒实业有限责任公司 Method for preparing composite modified starch
CN101195692A (en) * 2008-01-04 2008-06-11 广西明阳生化科技股份有限公司 Diversification premixing method modified starch and producing method thereof
CN101775161A (en) * 2009-01-12 2010-07-14 四川省蓬溪县弘桥实业有限公司 Process for producing modified starch by using microwave far infrared method
CN102391797A (en) * 2011-07-09 2012-03-28 山西大学 Corn starch adhesive for building and preparation method thereof
CN104543663A (en) * 2014-11-28 2015-04-29 安徽紫山农业科技有限公司 Corn modified starch
CN106008728A (en) * 2016-06-30 2016-10-12 陈灼 Preparing method for modified starch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101104642A (en) * 2007-07-26 2008-01-16 江门市科恒实业有限责任公司 Method for preparing composite modified starch
CN101195692A (en) * 2008-01-04 2008-06-11 广西明阳生化科技股份有限公司 Diversification premixing method modified starch and producing method thereof
CN101775161A (en) * 2009-01-12 2010-07-14 四川省蓬溪县弘桥实业有限公司 Process for producing modified starch by using microwave far infrared method
CN102391797A (en) * 2011-07-09 2012-03-28 山西大学 Corn starch adhesive for building and preparation method thereof
CN104543663A (en) * 2014-11-28 2015-04-29 安徽紫山农业科技有限公司 Corn modified starch
CN106008728A (en) * 2016-06-30 2016-10-12 陈灼 Preparing method for modified starch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194854A (en) * 2019-05-21 2019-09-03 广西高源淀粉有限公司 A kind of composite modified starch and preparation method thereof
CN110372806A (en) * 2019-07-30 2019-10-25 诸城兴贸玉米开发有限公司 A kind of emgloves interleaving agent converted starch

Also Published As

Publication number Publication date
CN106699910B (en) 2019-10-25

Similar Documents

Publication Publication Date Title
CN107663241B (en) Cross-linked starch with high resistant starch content and preparation method thereof
DK164068B (en) APPLICABLE MIXTURE OF POLYSACCHARIDE AND GELATINE, AXICALLY APPLICABLE PREPARATION AND GEL PREPARED
CN104893005B (en) A kind of VIThe ultrasonic wave added acid-base precipitation preparation method of type slowly digestible starch
CN1911966B (en) Pretreatment method of starch
CN103290082A (en) Method for improving viscosity of gelatin by using glutamine transaminase for catalyzing gelatin crosslinking
CN102363636A (en) Method for producing cassava modified starch for wrapping fried foods
CN106699910A (en) Preparation method of corn denatured starch
CN109400728A (en) A kind of converted starch and preparation method thereof applied in jam production
CN110250316B (en) Production process of quick-dissolving soybean protein isolate
CN103689672A (en) Fishy smell-free difficult-to-break fish rice noodles and production method for same
CN106107014B (en) The method of compound physical field cooperative reinforcing rapeseed protein glycosylation modification
CN102115501A (en) Preparation method of acidolysis acetylated composite modified starch
WO2011083884A1 (en) Preparation method of modified starch using ultra pressure
CN112914088A (en) Preparation method of pre-coated powder, pre-coated powder paste liquid and fried pre-coated powder and application of beta-glucan in reduction of oil content
CN106008728A (en) Preparing method for modified starch
CN110584069A (en) Green and healthy oyster sauce
CN102492682B (en) Enzyme-killing method of liquefied starch milk during maltodextrin production process
CN105399841B (en) The converted starch and its production technology of farina preparation are replaced with tapioca
CN113974134A (en) Preparation method of modified starch for enhancing water-based property and gel property of plant gravy
CN106939053A (en) A kind of preparation method of crosslinked starch
CN110483650A (en) One triple composite modified starch of type egg white solution and preparation method thereof
CN105941821A (en) Method for preparing oat globulin acidic gel
CN110551225A (en) preparation method of dextrin with thermal viscosity stability
CN105037566A (en) Production method of esterified modified starch
CN105037567A (en) Production method of modified starch

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190926

Address after: 235200 Xuezhuang village, Shengquan Township, Xiao County, Suzhou City, Anhui Province

Applicant after: Anhui Golden Maize Agricultural Science and Technology Development Co.,Ltd.

Address before: The six row West Town Road 547399 the Guangxi Zhuang Autonomous Region Tian'e County Hechi City No. 42

Applicant before: TIAN'E COUNTY QUANSHENG BEE INDUSTRY TECHNOLOGY Co.,Ltd.

GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A preparation method of corn modified starch

Effective date of registration: 20211217

Granted publication date: 20191025

Pledgee: Suzhou SME financing Company limited by guarantee

Pledgor: Anhui Golden Maize Agricultural Science and Technology Development Co.,Ltd.

Registration number: Y2021980015278

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20221110

Granted publication date: 20191025

Pledgee: Suzhou SME financing Company limited by guarantee

Pledgor: Anhui Golden Maize Agricultural Science and Technology Development Co.,Ltd.

Registration number: Y2021980015278

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A Preparation Method of Corn Modified Starch

Effective date of registration: 20221125

Granted publication date: 20191025

Pledgee: Suzhou SME financing Company limited by guarantee

Pledgor: Anhui Golden Maize Agricultural Science and Technology Development Co.,Ltd.

Registration number: Y2022980023589

PE01 Entry into force of the registration of the contract for pledge of patent right