CN110003346A - A kind of method of corn soaking new process preparation food-grade corn starch - Google Patents
A kind of method of corn soaking new process preparation food-grade corn starch Download PDFInfo
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- CN110003346A CN110003346A CN201910316682.XA CN201910316682A CN110003346A CN 110003346 A CN110003346 A CN 110003346A CN 201910316682 A CN201910316682 A CN 201910316682A CN 110003346 A CN110003346 A CN 110003346A
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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 present invention relates to a kind of methods of corn soaking new process preparation food-grade corn starch, and this method uses mass concentration to impregnate for 0.01%~5.0% aqueous solutions of organic acids to corn, then will impregnate resulting corn processing into cornstarch.The present invention replaces the SO in traditional handicraft using organic acid2Corn is impregnated, reach with traditional comparable immersion effect of soaking technology, and all products obtained are without SO2Residual, without carrying out except SO2Process is saved in processing, environmentally protective.Corn after immersion can be machined directly to edible cornstarch.It can be used as thickener and stabilizer using the cornstarch that the method for the invention is prepared, be used for food thickening soup, condiment, bakery product, jelly and frozen food；It can be used as emulsifier, produce salad food and starch milk；It can be applied to starch sugaring, be used for sweetening agent；It can be used for rice noodles convenient for production；It can be used for beer brewing；It can also be used in field of medicaments, treated as auxiliary material ancillary drug.
Description
Technical field
The present invention relates to field of agricultural products processing, and in particular to a kind of corn soaking new process preparation food-grade corn starch
Method.
Background technique
China is world's second largest maize production state, at the same be also world's second largest country of consumption, be once confined to food and
Feed is nowadays the corn of major consumers has great variety, and other than the feed consumption of steady-state growth, corn adds deeply these years
Industry rapid development.Corn is highest most suitable as the kind of the raw material of industry and processing stage in Three major grain crops
Cereal crops.The characteristics of corn producing industry, is that processing space is big, industry chain length, product are extremely abundant, including starch, starch sugar,
The big series of converted starch, alcohol, enzyme preparation, flavouring, medicinal, chemical industry etc. eight, but mainly starch and alcohol, other products are more
It is the byproduct of the deeper processed goods of the two products or production, its value phase of the processed goods or byproduct of these profound levels
When height i.e. added value with higher, high profit can be brought therewith.
Currently, extracting starch from corn generally has two methods of dry and wet, wherein wet underwater welding cornstarch is
Many countries and regions obtain the main method of cornstarch.But sulfurous acid is added in wet underwater welding cornstarch technique,
It decomposes the SO generated2Environmental pollution is very big, seriously endangers the health of people.Moreover, due to its production gained
Product in SO2Residual is higher, is not able to satisfy international food standards requirement, can not directly eat, so that products obtained therefrom also needs
Subsequent desulfurization process is carried out, causes technique cumbersome, complicated, increases production cost.
Therefore, it needs to develop a kind of dosage that can reduce soaking technology sulfite, or does not use the leaching of sulfurous acid directly
Bubble method, to be produced for the deep processing of corn.
Summary of the invention
The present invention provides a kind of corn deep processing methods of new green environment protection, are replaced in traditional handicraft using organic acid
SO2Soaking corn, reach with traditional comparable immersion effect of soaking technology, and all products obtained are without SO2Residual, section
About process, it is environmentally protective.
In order to achieve the object of the present invention, the present invention specifically provides a kind of corn soaking new process preparation food-grade corn shallow lake
The method of powder, the method use mass concentration to impregnate for 0.01%~5.0% aqueous solutions of organic acids to corn, then will
Resulting corn processing is impregnated into cornstarch.
Method provided by the invention realizes the destruction to corn protein net using the organic acid of debita spissitudo, to reach
It discharges the immersions such as starch, protein isolate matter and separates purpose.
Specifically, the organic acid can be selected from malic acid, succinic acid, lactic acid, citric acid, acetic acid or fumaric acid, preferably
For malic acid or citric acid.
Effect is impregnated in order to improve under the premise of ensuring corn quality, especially raising maize germ and food-grade is beautiful
The yield of the finished products such as rice starch, the mass concentration of the preferably described aqueous solutions of organic acids of the present invention is 0.2%~2.0%, more excellent
It is selected as 0.5%~1.0%, further preferably 0.8%~1.0%.
Efficiency is impregnated in order to improve under the premise of ensuring corn quality, the present invention is preferably described to be immersed in 30 DEG C~75 DEG C
Constant temperature under carry out, more preferably carried out under 40 DEG C~55 DEG C of constant temperature, further preferably in 50 DEG C of constant temperature item
It is carried out under part.The present invention is preferably described to be immersed in progress 36h~100h under closed environment, more preferably carries out under closed environment
45h~60h further preferably carries out 48h under closed environment.
As a preferred solution of the present invention, the immersion specifically: by corn be immersed in mass concentration be 0.8%~
In 1.0% malic acid or aqueous citric acid solution, 45~55h is impregnated under 45 DEG C~55 DEG C of constant temperature, closed environment.
It, can be to the pretreatment that corn is included the following steps before the immersion in order to improve the quality of finished product: sieve
The corn not gone mouldy is selected, is cleaned after removing impurity.
Corn is crushed after immersion, de- embryo, separation, the step of to prepare cornstarch or this field can be used in means
Conventional use of means.Following specific embodiment can be used in the present invention: the corn after immersion being poured into wall-breaking machine, is added about
225mL water, is crushed, and corn slurries are obtained；It is placed in 500mL beaker, the maize germ on top is taken out with strainer, is then stirred
The corn slurries to plumule suspends, then fishes for plumule with strainer, until the operation is into slurries without plumule repeatedly.It again will be after de- embryo
Corn slurries by fiber separation song be sieved through filter crude fibre, by by fiber song sieve after corn slurries disk plate centrifuge into
Row separation, obtains corn Crude starch and The Corn Protein slurries；By corn Crude starch, multi-stage countercurrent is carried out with tap water and is washed,
Remaining insoluble protein is removed, is dried, cornstarch finished product is made.
It can be used as thickener and stabilizer using the cornstarch that the method for the invention is prepared, hooked for food
Gorgon euryale, condiment, bakery product, jelly and frozen food；It can be used as emulsifier, produce salad food and starch milk；It can be applied to form sediment
Powder sugaring, is used for sweetening agent；It can be used for rice noodles convenient for production；It can be used for beer brewing；It can also be used in field of medicaments, as
The treatment of auxiliary material ancillary drug.
As a kind of concrete scheme of the invention, the method for the corn soaking new process preparation food-grade corn starch can
It comprises the following specific steps that:
(1) corn not gone mouldy is filtered out, is cleaned after removing impurity；
(2) corn after cleaning is immersed in the aqueous solutions of organic acids that mass concentration is 0.05%~5.0%, at 30 DEG C
36h~100h, isolated corn and soak are impregnated under~75 DEG C of constant temperature, closed environment；
(3) resulting corn will be impregnated to mix with water, broken wall obtains corn slurries, therefrom removes maize germ；To removing
Corn slurries after maize germ are separated, and are removed crude fibre, are obtained Corn Crude farinaceous size；By the Corn Crude starch slurry
Liquid washing, filtering, drying, obtain cornstarch finished product.
As a kind of concrete scheme of the invention, the method for the corn soaking new process preparation food-grade corn starch can
It comprises the following specific steps that:
(1) corn not gone mouldy is filtered out, is cleaned after removing impurity；
(2) corn after cleaning is immersed in the malic acid or aqueous citric acid solution that mass concentration is 0.8%~1.0%
In, 45~55h is impregnated under 45 DEG C~55 DEG C of constant temperature, closed environment；
(3) resulting corn will be impregnated to mix with water, broken wall obtains corn slurries, therefrom removes maize germ；To removing
Corn slurries after maize germ are separated, and are removed crude fibre, are obtained Corn Crude farinaceous size；By the Corn Crude starch slurry
Liquid washing, filtering, drying, obtain cornstarch finished product.
As a kind of concrete scheme of the invention, the method for the corn soaking new process preparation food-grade corn starch can
It comprises the following specific steps that:
(1) corn not gone mouldy is filtered out, is cleaned after removing impurity；
(2) corn after cleaning is immersed in the malic acid or aqueous citric acid solution that mass concentration is 1.0%, at 50 DEG C
Constant temperature, impregnate 48h under closed environment；
(3) resulting corn will be impregnated to mix with water, broken wall obtains corn slurries, therefrom removes maize germ；To removing
Corn slurries after maize germ are separated, and are removed crude fibre, are obtained Corn Crude farinaceous size；By the Corn Crude starch slurry
Liquid washing, filtering, drying, obtain cornstarch finished product.
Method provided by the invention replaces the SO in traditional handicraft using organic acid2Soaking corn reaches and impregnates with tradition
The comparable immersion effect of technique, and the product obtained is without SO2Residual, the corn after immersion can directly be processed to obtain food-grade
Cornstarch.It can be used as thickener and stabilizer using the cornstarch that the method for the invention is prepared, hooked for food
Gorgon euryale, condiment, bakery product, jelly and frozen food；It can be used as emulsifier, produce salad food and starch milk；It can be applied to form sediment
Powder sugaring, is used for sweetening agent；It can be used for rice noodles convenient for production；It can be used for beer brewing；It can also be used in field of medicaments, as
The treatment of auxiliary material ancillary drug.
Specific embodiment
Embodiment is not intended to limit the scope of the invention for illustrating the present invention.
Embodiment 1
The present invention provides a kind of methods of corn soaking new process preparation food-grade corn starch, the specific steps are as follows:
(1) corn not gone mouldy is filtered out, corn 100g is weighed after removing impurity, is placed in a beaker, 100mL is added
Tap water, shake about 2min, cleaning terminates, and wash water is removed, by same procedure repeated washing 3 times；
(2) corn after cleaning is transferred in 500mL port grinding bottle, is immersed in the citric acid water that mass concentration is 1.0%
In solution, temperature be 50 DEG C constant temperature, impregnate 48h under closed environment, be filtered with filter paper, isolated corn and immersion
Liquid；
(3) step (2) resulting corn is poured into wall-breaking machine, about 225mL tap water is added, is crushed, obtains corn
Slurries；By the corn slurries in the beaker of 500mL, the maize germ on top is taken out with strainer, is then stirred with glass bar
The corn slurries to plumule suspends, then fishes for plumule with strainer, until the operation is into slurries without plumule repeatedly；Plumule will be removed
Corn slurries afterwards are sieved through filter crude fibre by fiber separation song, by the corn slurries disk plate centrifuge after fiber song sieve
It is separated, obtains corn Crude starch and The Corn Protein slurries；By corn Crude starch, multi-stage countercurrent is carried out with tap water and is washed
It washs, removes remaining insoluble protein, dry, cornstarch finished product is made.
The plumule that step (3) take out is screened into clean glassware, 5h is baked in 105 DEG C of baking oven, through counting
It calculates, the yield of dry plumule is 3.91% in the present embodiment.
Gained maize germ of the invention is rich in unsaturated fatty acid, direct-edible or sell as nutraceutical.It is described
Maize germ can also be used to squeeze maize germ oil, or production low fat food, or processing maize germ chewable tablets, or extract
Its albumin assists addition product for making artificial beef, or as food such as cake, bread, dessert, or is ground into germ flour,
For reconstituting agent, or production maize germ milk fermentation fruit juice and various cereal beverages, or it is used for bioactivity corn peptide and γ-ammonia
The production of base butyric acid food, or for producing the purposes such as the anti-oxidant titanium Guiling Jelly of maize germ and corn antioxidant titanium oral solution.
Gained cornstarch of the invention can be used as thickener and stabilizer, be used for food thickening soup, condiment, bakery product, fruit
Jelly and frozen food；It can be used as emulsifier, produce salad food and starch milk；It can be applied to starch sugaring, be used for food sweet taste
Agent；It can be used for rice noodles convenient for production；It can be used for beer brewing；It can also be used in field of medicaments, treated as auxiliary material ancillary drug.
Embodiment 2
Compared with Example 1, difference is only that: replacing the lemon by 1.0% aqueous solution of malic acid with mass concentration
Aqueous acid.
It is computed, the yield of dry plumule is 3.85% in the present embodiment.
Embodiment 3
Compared with Example 1, difference is only that: replacing the citric acid by 1.0% lactic acid aqueous solution with mass concentration
Aqueous solution.
It is computed, the yield of dry plumule is 3.77% in the present embodiment.
Embodiment 4
Compared with Example 1, difference is only that: replacing the concentration by 0.5% aqueous citric acid solution with mass concentration
For 1.0% aqueous citric acid solution.
It is computed, the yield of dry plumule is 3.28% in the present embodiment.
Comparative example
Compared with Example 1, difference is only that: being 0.2%SO with concentration2Aqueous solution replace the citric acid it is water-soluble
Liquid.
It is computed, the yield of dry plumule is 3.93% in this comparative example.
The above results show that embodiment 1 and comparative example, which are impregnated, has no conspicuousness between resulting maize germ product yield
Difference, but 1 resulting product of embodiment directly obtains food-grade corn starch, saves work without carrying out subsequent desulfurized step
Sequence, and product safety.
Although above having used general explanation, specific embodiment and test, the present invention is made to retouch in detail
It states, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed
Range.
Claims (10)
1. a kind of method of corn soaking new process preparation food-grade corn starch, which is characterized in that use mass concentration for
0.01%~5.0% aqueous solutions of organic acids impregnates corn, then will impregnate resulting corn processing into cornstarch.
2. the method according to claim 1, wherein the organic acid is selected from malic acid, succinic acid, lactic acid, lemon
Lemon acid, acetic acid or fumaric acid, preferably malic acid or citric acid.
3. method according to claim 1 or 2, which is characterized in that the mass concentration of the aqueous solutions of organic acids is 0.2%
~2.0%, preferably 0.5%~1.0%.
4. method according to any one of claims 1 to 3, which is characterized in that the immersion is adopted at 30 DEG C~75 DEG C
It carries out under constant temperature, is preferably carried out under 40 DEG C~55 DEG C of constant temperature.
5. method according to any one of claims 1 to 4, which is characterized in that described be immersed under closed environment carries out 36h
~100h carries out 45h~60h preferably under closed environment.
6. the method according to claim 1, wherein the immersion specifically: corn is immersed in mass concentration
For in 0.8%~1.0% malic acid or aqueous citric acid solution, impregnate 45 under 45 DEG C~55 DEG C of constant temperature, closed environment~
55h。
7. method described in any one according to claim 1~6, which is characterized in that before the immersion, include to corn
The pretreatment of following steps: filtering out the corn not gone mouldy, cleans after removing impurity.
8. described in any item methods according to claim 1~7, which is characterized in that the processing specifically: will impregnate resulting
Corn is mixed with water, and broken wall obtains corn slurries, therefrom removes maize germ；Corn slurries after removing maize germ are carried out
Separation removes crude fibre, obtains Corn Crude farinaceous size；By Corn Crude farinaceous size washing, filtering, drying, corn is obtained
Finished product of starch.
9. the method according to claim 1, wherein including the following steps:
(1) corn not gone mouldy is filtered out, is cleaned after removing impurity；
(2) corn after cleaning is immersed in the aqueous solutions of organic acids that mass concentration is 0.05%~5.0%, 30 DEG C~75
DEG C constant temperature, 36h~100h, isolated corn and soak are impregnated under closed environment；
(3) resulting corn will be impregnated to mix with water, broken wall obtains corn slurries, therefrom removes maize germ；To removing corn
Corn slurries after plumule are separated, and are removed crude fibre, are obtained Corn Crude farinaceous size；The Corn Crude farinaceous size is washed
It washs, filter, dry, obtain cornstarch finished product.
10. according to the method described in claim 9, it is characterized in that, the step (2) specifically: soak the corn after cleaning
Not in the malic acid or aqueous citric acid solution that mass concentration is 0.8%~1.0%, constant temperature, closed loop at 45 DEG C~55 DEG C
45~55h is impregnated under border.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316682.XA CN110003346A (en) | 2019-04-19 | 2019-04-19 | A kind of method of corn soaking new process preparation food-grade corn starch |
| CN201910616030.8A CN110183539B (en) | 2019-04-19 | 2019-07-09 | Method for preparing food-grade corn starch by novel corn soaking process |
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| CN201910316682.XA CN110003346A (en) | 2019-04-19 | 2019-04-19 | A kind of method of corn soaking new process preparation food-grade corn starch |
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| CN201910316682.XA Pending CN110003346A (en) | 2019-04-19 | 2019-04-19 | A kind of method of corn soaking new process preparation food-grade corn starch |
| CN201910616030.8A Active CN110183539B (en) | 2019-04-19 | 2019-07-09 | Method for preparing food-grade corn starch by novel corn soaking process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981978A (en) * | 2019-12-03 | 2020-04-10 | 呼伦贝尔东北阜丰生物科技有限公司 | Method for improving corn starch yield |
| CN110981979A (en) * | 2019-12-18 | 2020-04-10 | 内蒙古阜丰生物科技有限公司 | Method for improving corn starch yield |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159829B (en) * | 2020-10-29 | 2022-03-29 | 秦皇岛骊骅淀粉股份有限公司 | Glucose production process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106487A (en) * | 1977-07-20 | 1978-08-15 | Archer Daniels Midland Company | Continuous steeping of corn for wet processing to starches, syrups and feeds |
| WO2004008836A2 (en) * | 2002-07-23 | 2004-01-29 | Cargill, Incorporated | Process for producing fermentation feedstock from extruded cereal material |
| CN109929042A (en) * | 2017-12-18 | 2019-06-25 | 东明小井农业科学技术研究所 | A kind of production method of cornstarch |
-
2019
- 2019-04-19 CN CN201910316682.XA patent/CN110003346A/en active Pending
- 2019-07-09 CN CN201910616030.8A patent/CN110183539B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981978A (en) * | 2019-12-03 | 2020-04-10 | 呼伦贝尔东北阜丰生物科技有限公司 | Method for improving corn starch yield |
| CN110981979A (en) * | 2019-12-18 | 2020-04-10 | 内蒙古阜丰生物科技有限公司 | Method for improving corn starch yield |
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| CN110183539A (en) | 2019-08-30 |
| CN110183539B (en) | 2021-12-03 |
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Application publication date: 20190712 |