CN108822224A - A method of cornstarch is produced using enzymatic reaction - Google Patents
A method of cornstarch is produced using enzymatic reaction Download PDFInfo
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- CN108822224A CN108822224A CN201810696014.XA CN201810696014A CN108822224A CN 108822224 A CN108822224 A CN 108822224A CN 201810696014 A CN201810696014 A CN 201810696014A CN 108822224 A CN108822224 A CN 108822224A
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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
- C08B30/042—Extraction or purification from cereals or grains
- C08B30/044—Extraction or purification from cereals or grains from corn or maize
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Abstract
The invention discloses a kind of methods using enzymatic reaction production cornstarch, include the following steps：1) corn removes embryo；2) it impregnates, grind refinement；3) preparation of enzyme preparation；4) mixing of enzyme preparation and maize pulp；5) it digests；6) separating and dehydrating；7) dry.Using the enzyme preparation of rational proportion, the constraint of fiber can be broken, allow starch separate out, the content for substantially reducing starch in dregs improves the recovery rate of starch, after treatment, the content of starch drops to 20% hereinafter, the recovery rate of comprehensive cornstarch improves 8% or more in maize pulp.
Description
Technical field
The present invention relates to a kind of agricultural byproducts processing method, specifically a kind of side using enzymatic reaction production cornstarch
Method.
Background technique
Cornstarch (corn starch) is also known as corn starch.Popular name maize powder.The white flaxen powder of micro-strip.
After 0.3% sulfurous acid dip of corn, it is made up of the processes such as broken, sieving, precipitating, dry, levigate.In common product
Contain a small amount of fat and protein etc..Cornstarch is most in addition to being directly used in food, papermaking, weaving, medicine and other fields
For deep processing.Starch industry is the biggish industry of China's corn usage amount, and the yield of China's cornstarch was from 1999
By 2011 in growth trend year by year.National cornstarch amount occupies second place of the world up to 21,700,000 tons within 2009.
It at present frequently with Production by Enzymes cornstarch, but is generally only to be divided using physical method the fiber in corn
From this large amount of starch granules can be followed by fiber loss, cause waste.
Summary of the invention
The purpose of the present invention is to provide a kind of methods using enzymatic reaction production cornstarch, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions：
A method of cornstarch being produced using enzymatic reaction, is included the following steps：
1) fresh corn is cleaned, then removes plumule；
2) corn for removing plumule is put into soak under normal temperature environment and is impregnated 24-35 hours, after then impregnating
Corn mill refine to obtain maize pulp, with gauze package maize pulp by hand squeeze remove extra moisture；
3) pectase, cellulase and protease are weighed, is mixed according to mass ratio 20: 1: 2, being then added is three's matter
The water of 5-8 times of summation of amount is dissolved, and preparing becomes enzyme preparation；
It 4) is that the enzyme preparation of 2-3 times of water maize pulp is added in manual watering can again by quality, it will by the way of sprinkling
Enzyme preparation is added in water maize pulp, is stirred in sprinkling, after enzyme preparation addition is completed, adjustment pH value to 3-5,
Obtain the first mixture；
5) the first mixture is placed in biochemical cultivation case and is digested 4-6 hours in the environment of 110-140 DEG C, during enzymatic hydrolysis
A maize pulp was stirred every 30 minutes, is prevented water analysis from causing enzyme preparation to be unevenly distributed to lower part, is obtained after enzymatic hydrolysis
Second mixture；
6) separating treatment is carried out to the second mixture, obtains wet starch, then wet starch is dehydrated；
7) dewatered wet starch is placed in baking oven and is dried, obtain finished product.
As a further solution of the present invention：Residual moisture content is no more than in maize pulp after removing water in the step 2)
20%.
As further scheme of the invention：Pectase, cellulase and protease dissolution are being carried out in the step 3)
During need constantly to be stirred.
As further scheme of the invention：It is by way of addition hydrochloric acid or sodium hydroxide in the step 4)
PH value is adjusted.
As further scheme of the invention：The concentration of hydrochloric acid added when adjusting pH value in the step 4) is 10%,
Naoh concentration is 3%.
As further scheme of the invention：Wet starch is dehydrated by the way of cold pressing in the step 6).
As further scheme of the invention：The drying time of the step 7) wet starch is 40 minutes, first 25 minutes
Temperature be no more than 60 DEG C, rear 15 minutes drying temperatures be 120 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention uses the enzyme preparation of rational proportion, can break the constraint of fiber, allows starch separate out, substantially reduces
The content of starch in dregs, improves the recovery rate of starch, after treatment, in maize pulp the content of starch drop to 20% with
Under, the recovery rate of comprehensive cornstarch improves 8% or more.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A method of cornstarch being produced using enzymatic reaction, is included the following steps：
1) fresh corn is cleaned, then removes plumule；
2) corn for removing plumule is put into soak under normal temperature environment and is impregnated 24 hours, then by the jade after immersion
Rice grinding refinement obtains maize pulp, is squeezed by hand with gauze package maize pulp and removes extra moisture；
3) pectase, cellulase and protease are weighed, is mixed according to mass ratio 20: 1: 2, being then added is three's matter
The water of 5 times of summation of amount is dissolved, and preparing becomes enzyme preparation；
It 4) is that 2 times of water maize pulp of enzyme preparation is added in manual watering can again by quality, by enzyme by the way of sprinkling
Preparation is added in water maize pulp, is stirred in sprinkling, after enzyme preparation addition is completed, is adjusted pH value to 3, is obtained
First mixture；
5) the first mixture is placed in biochemical cultivation case and is digested 4 hours in the environment of 110 DEG C, every 30 during enzymatic hydrolysis
Minute stirs a maize pulp, prevents water analysis from causing enzyme preparation to be unevenly distributed to lower part, and it is mixed that second is obtained after enzymatic hydrolysis
Close object；
6) separating treatment is carried out to the second mixture, obtains wet starch, then wet starch is dehydrated；
7) dewatered wet starch is placed in baking oven and is dried, obtain finished product.
Residual moisture content is no more than 20% in maize pulp after removing water in the step 2).
It needs constantly to be stirred during carrying out pectase, cellulase and protease dissolution in the step 3)
It mixes.
It is to be adjusted by way of addition hydrochloric acid or sodium hydroxide to pH value in the step 4).
The concentration of hydrochloric acid added when adjusting pH value in the step 4) is 10%, naoh concentration 3%.
Wet starch is dehydrated by the way of cold pressing in the step 6).
The drying time of the step 7) wet starch is 40 minutes, and preceding 25 minutes temperature are no more than 60 DEG C, latter 15 minutes
Drying temperature be 120 DEG C.
Embodiment 2
A method of cornstarch being produced using enzymatic reaction, is included the following steps：
1) fresh corn is cleaned, then removes plumule；
2) corn for removing plumule is put into soak under normal temperature environment and is impregnated 26 hours, then by the jade after immersion
Rice grinding refinement obtains maize pulp, is squeezed by hand with gauze package maize pulp and removes extra moisture；
3) pectase, cellulase and protease are weighed, is mixed according to mass ratio 20: 1: 2, being then added is three's matter
The water of 7 times of summation of amount is dissolved, and preparing becomes enzyme preparation；
It 4) is that 2.5 times of water maize pulp of enzyme preparation is added in manual watering can again by quality, it will by the way of sprinkling
Enzyme preparation is added in water maize pulp, is stirred in sprinkling, after enzyme preparation addition is completed, is adjusted pH value to 4, is obtained
To the first mixture；
5) the first mixture is placed in biochemical cultivation case and is digested 5 hours in the environment of 120 DEG C, every 30 during enzymatic hydrolysis
Minute stirs a maize pulp, prevents water analysis from causing enzyme preparation to be unevenly distributed to lower part, and it is mixed that second is obtained after enzymatic hydrolysis
Close object；
6) separating treatment is carried out to the second mixture, obtains wet starch, then wet starch is dehydrated；
7) dewatered wet starch is placed in baking oven and is dried, obtain finished product.
Residual moisture content is no more than 20% in maize pulp after removing water in the step 2).
It needs constantly to be stirred during carrying out pectase, cellulase and protease dissolution in the step 3)
It mixes.
It is to be adjusted by way of addition hydrochloric acid or sodium hydroxide to pH value in the step 4).
The concentration of hydrochloric acid added when adjusting pH value in the step 4) is 10%, naoh concentration 3%.
Wet starch is dehydrated by the way of cold pressing in the step 6).
The drying time of the step 7) wet starch is 40 minutes, and preceding 25 minutes temperature are no more than 60 DEG C, latter 15 minutes
Drying temperature be 120 DEG C.
Embodiment 3
A method of cornstarch being produced using enzymatic reaction, is included the following steps：
1) fresh corn is cleaned, then removes plumule；
2) corn for removing plumule is put into soak under normal temperature environment and is impregnated 30 hours, then by the jade after immersion
Rice grinding refinement obtains maize pulp, is squeezed by hand with gauze package maize pulp and removes extra moisture；
3) pectase, cellulase and protease are weighed, is mixed according to mass ratio 20: 1: 2, being then added is three's matter
The water of 6 times of summation of amount is dissolved, and preparing becomes enzyme preparation；
It 4) is that 2 times of water maize pulp of enzyme preparation is added in manual watering can again by quality, by enzyme by the way of sprinkling
Preparation is added in water maize pulp, is stirred in sprinkling, after enzyme preparation addition is completed, is adjusted pH value to 5, is obtained
First mixture；
5) the first mixture is placed in biochemical cultivation case and is digested 5 hours in the environment of 130 DEG C, every 30 during enzymatic hydrolysis
Minute stirs a maize pulp, prevents water analysis from causing enzyme preparation to be unevenly distributed to lower part, and it is mixed that second is obtained after enzymatic hydrolysis
Close object；
6) separating treatment is carried out to the second mixture, obtains wet starch, then wet starch is dehydrated；
7) dewatered wet starch is placed in baking oven and is dried, obtain finished product.
Residual moisture content is no more than 20% in maize pulp after removing water in the step 2).
It needs constantly to be stirred during carrying out pectase, cellulase and protease dissolution in the step 3)
It mixes.
It is to be adjusted by way of addition hydrochloric acid or sodium hydroxide to pH value in the step 4).
The concentration of hydrochloric acid added when adjusting pH value in the step 4) is 10%, naoh concentration 3%.
Wet starch is dehydrated by the way of cold pressing in the step 6).
The drying time of the step 7) wet starch is 40 minutes, and preceding 25 minutes temperature are no more than 60 DEG C, latter 15 minutes
Drying temperature be 120 DEG C.
Embodiment 4
A method of cornstarch being produced using enzymatic reaction, is included the following steps：
1) fresh corn is cleaned, then removes plumule；
2) corn for removing plumule is put into soak under normal temperature environment and is impregnated 26 hours, then by the jade after immersion
Rice grinding refinement obtains maize pulp, is squeezed by hand with gauze package maize pulp and removes extra moisture；
3) pectase, cellulase and protease are weighed, is mixed according to mass ratio 20: 1: 2, being then added is three's matter
The water of 8 times of summation of amount is dissolved, and preparing becomes enzyme preparation；
It 4) is that 2 times of water maize pulp of enzyme preparation is added in manual watering can again by quality, by enzyme by the way of sprinkling
Preparation is added in water maize pulp, is stirred in sprinkling, after enzyme preparation addition is completed, is adjusted pH value to 4, is obtained
First mixture；
5) the first mixture is placed in biochemical cultivation case and is digested 5 hours in the environment of 110 DEG C, every 30 during enzymatic hydrolysis
Minute stirs a maize pulp, prevents water analysis from causing enzyme preparation to be unevenly distributed to lower part, and it is mixed that second is obtained after enzymatic hydrolysis
Close object；
6) separating treatment is carried out to the second mixture, obtains wet starch, then wet starch is dehydrated；
7) dewatered wet starch is placed in baking oven and is dried, obtain finished product.
Residual moisture content is no more than 20% in maize pulp after removing water in the step 2).
It needs constantly to be stirred during carrying out pectase, cellulase and protease dissolution in the step 3)
It mixes.
It is to be adjusted by way of addition hydrochloric acid or sodium hydroxide to pH value in the step 4).
The concentration of hydrochloric acid added when adjusting pH value in the step 4) is 10%, naoh concentration 3%.
Wet starch is dehydrated by the way of cold pressing in the step 6).
The drying time of the step 7) wet starch is 40 minutes, and preceding 25 minutes temperature are no more than 60 DEG C, latter 15 minutes
Drying temperature be 120 DEG C.
Embodiment 5
A method of cornstarch being produced using enzymatic reaction, is included the following steps：
1) fresh corn is cleaned, then removes plumule；
2) corn for removing plumule is put into soak under normal temperature environment and is impregnated 30 hours, then by the jade after immersion
Rice grinding refinement obtains maize pulp, is squeezed by hand with gauze package maize pulp and removes extra moisture；
3) pectase, cellulase and protease are weighed, is mixed according to mass ratio 20: 1: 2, being then added is three's matter
The water of 5 times of summation of amount is dissolved, and preparing becomes enzyme preparation；
It 4) is that 2 times of water maize pulp of enzyme preparation is added in manual watering can again by quality, by enzyme by the way of sprinkling
Preparation is added in water maize pulp, is stirred in sprinkling, after enzyme preparation addition is completed, is adjusted pH value to 5, is obtained
First mixture；
5) the first mixture is placed in biochemical cultivation case and is digested 4 hours in the environment of 140 DEG C, every 30 during enzymatic hydrolysis
Minute stirs a maize pulp, prevents water analysis from causing enzyme preparation to be unevenly distributed to lower part, and it is mixed that second is obtained after enzymatic hydrolysis
Close object；
6) separating treatment is carried out to the second mixture, obtains wet starch, then wet starch is dehydrated；
7) dewatered wet starch is placed in baking oven and is dried, obtain finished product.
Residual moisture content is no more than 20% in maize pulp after removing water in the step 2).
It needs constantly to be stirred during carrying out pectase, cellulase and protease dissolution in the step 3)
It mixes.
It is to be adjusted by way of addition hydrochloric acid or sodium hydroxide to pH value in the step 4).
The concentration of hydrochloric acid added when adjusting pH value in the step 4) is 10%, naoh concentration 3%.
Wet starch is dehydrated by the way of cold pressing in the step 6).
The drying time of the step 7) wet starch is 40 minutes, and preceding 25 minutes temperature are no more than 60 DEG C, latter 15 minutes
Drying temperature be 120 DEG C.
Embodiment 6
A method of cornstarch being produced using enzymatic reaction, is included the following steps：
1) fresh corn is cleaned, then removes plumule；
2) corn for removing plumule is put into soak under normal temperature environment and is impregnated 35 hours, then by the jade after immersion
Rice grinding refinement obtains maize pulp, is squeezed by hand with gauze package maize pulp and removes extra moisture；
3) pectase, cellulase and protease are weighed, is mixed according to mass ratio 20: 1: 2, being then added is three's matter
The water of 8 times of summation of amount is dissolved, and preparing becomes enzyme preparation；
It 4) is that 3 times of water maize pulp of enzyme preparation is added in manual watering can again by quality, by enzyme by the way of sprinkling
Preparation is added in water maize pulp, is stirred in sprinkling, after enzyme preparation addition is completed, is adjusted pH value to 5, is obtained
First mixture；
5) the first mixture is placed in biochemical cultivation case and is digested 6 hours in the environment of 110 DEG C, every 30 during enzymatic hydrolysis
Minute stirs a maize pulp, prevents water analysis from causing enzyme preparation to be unevenly distributed to lower part, and it is mixed that second is obtained after enzymatic hydrolysis
Close object；
6) separating treatment is carried out to the second mixture, obtains wet starch, then wet starch is dehydrated；
7) dewatered wet starch is placed in baking oven and is dried, obtain finished product.
Residual moisture content is no more than 20% in maize pulp after removing water in the step 2).
It needs constantly to be stirred during carrying out pectase, cellulase and protease dissolution in the step 3)
It mixes.
It is to be adjusted by way of addition hydrochloric acid or sodium hydroxide to pH value in the step 4).
The concentration of hydrochloric acid added when adjusting pH value in the step 4) is 10%, naoh concentration 3%.
Wet starch is dehydrated by the way of cold pressing in the step 6).
The drying time of the step 7) wet starch is 40 minutes, and preceding 25 minutes temperature are no more than 60 DEG C, latter 15 minutes
Drying temperature be 120 DEG C.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of method using enzymatic reaction production cornstarch, which is characterized in that include the following steps：
1) fresh corn is cleaned, then removes plumule；
2) corn for removing plumule is put into soak under normal temperature environment and is impregnated 24-35 hours, then by the jade after immersion
Rice grinding refinement obtains maize pulp, is squeezed by hand with gauze package maize pulp and removes extra moisture；
3) pectase, cellulase and protease are weighed, is mixed according to mass ratio 20: 1: 2, being then added is that three's mass is total
Water with 5-8 times is dissolved, and preparing becomes enzyme preparation；
It 4) is that the enzyme preparation of 2-3 times of water maize pulp is added in manual watering can again by quality, by enzyme system by the way of sprinkling
Agent is added in water maize pulp, is stirred in sprinkling, after enzyme preparation addition is completed, is adjusted pH value to 3-5, is obtained
First mixture；
5) the first mixture is placed in biochemical cultivation case and is digested 4-6 hours in the environment of 110-140 DEG C, during enzymatic hydrolysis every
A maize pulp is stirred within 30 minutes, prevents water analysis from causing enzyme preparation to be unevenly distributed to lower part, second is obtained after enzymatic hydrolysis
Mixture；
6) separating treatment is carried out to the second mixture, obtains wet starch, then wet starch is dehydrated；
7) dewatered wet starch is placed in baking oven and is dried, obtain finished product.
2. the method according to claim 1 using enzymatic reaction production cornstarch, which is characterized in that the step 2)
In go residual moisture content in the maize pulp after water to be no more than 20%.
3. the method according to claim 1 using enzymatic reaction production cornstarch, which is characterized in that the step 3)
In need constantly to be stirred during carrying out pectase, cellulase and protease dissolve.
4. the method according to claim 1 using enzymatic reaction production cornstarch, which is characterized in that the step 4)
In be addition hydrochloric acid or sodium hydroxide by way of pH value is adjusted.
5. the method according to claim 4 using enzymatic reaction production cornstarch, which is characterized in that the step 4)
The concentration of hydrochloric acid added when middle adjusting pH value is 10%, naoh concentration 3%.
6. the method according to claim 1 using enzymatic reaction production cornstarch, which is characterized in that the step 6)
It is middle that wet starch is dehydrated by the way of cold pressing.
7. the method according to claim 1 using enzymatic reaction production cornstarch, which is characterized in that the step 7)
The drying time of wet starch is 40 minutes, and preceding 25 minutes temperature are no more than 60 DEG C, and rear 15 minutes drying temperatures are 120 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109384855A (en) * | 2018-12-21 | 2019-02-26 | 迈安德集团有限公司 | A kind of cornstarch system of processing |
| CN109776689A (en) * | 2019-01-15 | 2019-05-21 | 迈安德集团有限公司 | A kind of processing technology of corn |
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| CN104341532A (en) * | 2013-08-07 | 2015-02-11 | 中国食品发酵工业研究院 | Potato slag comprehensive utilization processing method for combined production of starch and meal fiber |
| CN104448011A (en) * | 2014-12-04 | 2015-03-25 | 保龄宝生物股份有限公司 | Complex enzyme preparation for improving starch yield |
| CN106832009A (en) * | 2017-03-01 | 2017-06-13 | 中粮生化能源（龙江）有限公司 | A kind of method for producing cornstarch in corn wet milling production technology using cellulase preparation |
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| CN104341532A (en) * | 2013-08-07 | 2015-02-11 | 中国食品发酵工业研究院 | Potato slag comprehensive utilization processing method for combined production of starch and meal fiber |
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| CN106832009A (en) * | 2017-03-01 | 2017-06-13 | 中粮生化能源（龙江）有限公司 | A kind of method for producing cornstarch in corn wet milling production technology using cellulase preparation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109384855A (en) * | 2018-12-21 | 2019-02-26 | 迈安德集团有限公司 | A kind of cornstarch system of processing |
| CN109384855B (en) * | 2018-12-21 | 2023-10-31 | 迈安德集团有限公司 | Corn starch system of processing |
| CN109776689A (en) * | 2019-01-15 | 2019-05-21 | 迈安德集团有限公司 | A kind of processing technology of corn |
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Address after: 277400 Residence of Malantun Town, Taierzhuang District, Zaozhuang City, Shandong Province Applicant after: Shandong Shenzhou Xiangyu Science and Technology Group Co., Ltd. Address before: 277400 Residence of Malantun Town, Taierzhuang District, Zaozhuang City, Shandong Province Applicant before: Shandong Shenzhou Xiangyu Technology Group Co., Ltd. |
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