CN102550937A - Method for preparing instant dried corn steep liquor powder by using corn steep liquor - Google Patents
Method for preparing instant dried corn steep liquor powder by using corn steep liquor Download PDFInfo
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- CN102550937A CN102550937A CN2012100380919A CN201210038091A CN102550937A CN 102550937 A CN102550937 A CN 102550937A CN 2012100380919 A CN2012100380919 A CN 2012100380919A CN 201210038091 A CN201210038091 A CN 201210038091A CN 102550937 A CN102550937 A CN 102550937A
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- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 49
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 49
- 235000005822 corn Nutrition 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000843 powder Substances 0.000 title claims abstract description 26
- 241000209149 Zea Species 0.000 title 2
- 240000008042 Zea mays Species 0.000 claims abstract description 47
- 238000001694 spray drying Methods 0.000 claims abstract description 19
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 230000008020 evaporation Effects 0.000 claims abstract description 17
- 229920002774 Maltodextrin Polymers 0.000 claims abstract description 15
- 239000005913 Maltodextrin Substances 0.000 claims abstract description 15
- 229940035034 maltodextrin Drugs 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 239000006228 supernatant Substances 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 21
- 239000012141 concentrate Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000003094 microcapsule Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000004220 aggregation Methods 0.000 claims description 3
- 230000002776 aggregation Effects 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 238000005354 coacervation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- WPEXVRDUEAJUGY-UHFFFAOYSA-B hexacalcium;(2,3,4,5,6-pentaphosphonatooxycyclohexyl) phosphate Chemical compound [Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])(=O)OC1C(OP([O-])([O-])=O)C(OP([O-])([O-])=O)C(OP([O-])([O-])=O)C(OP([O-])([O-])=O)C1OP([O-])([O-])=O WPEXVRDUEAJUGY-UHFFFAOYSA-B 0.000 claims 2
- 239000002244 precipitate Substances 0.000 claims 1
- SQUHHTBVTRBESD-UHFFFAOYSA-N Hexa-Ac-myo-Inositol Natural products CC(=O)OC1C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O SQUHHTBVTRBESD-UHFFFAOYSA-N 0.000 abstract description 3
- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 abstract description 3
- 229960000367 inositol Drugs 0.000 abstract description 3
- 102000004169 proteins and genes Human genes 0.000 abstract description 3
- 108090000623 proteins and genes Proteins 0.000 abstract description 3
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 abstract description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000008267 milk Substances 0.000 abstract 1
- 210000004080 milk Anatomy 0.000 abstract 1
- 235000013336 milk Nutrition 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 235000013312 flour Nutrition 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920002261 Corn starch Polymers 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 229920002494 Zein Polymers 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 229940099112 cornstarch Drugs 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000010874 maintenance of protein location Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000005019 zein Substances 0.000 description 1
- 229940093612 zein Drugs 0.000 description 1
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- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The invention discloses a method for preparing instant dried corn steep liquor powder by using corn steep liquor. The method comprises the following steps of: separating the corn steep liquor into a permeate and a trapped fluid by an ultrafiltration membrane separation technology, treating a separation liquid with lower molecular weight by a lime milk neutralization method to prepare inositol and produce a supernatant, mixing the supernatant and a separation liquid with high molecular weight, concentrating the mixed liquor by using a 'four-effect evaporation' system, adding a certain amount of maltodextrin into the concentrated mixed liquor, and preparing microencapsulated instant dried corn steep liquor powder through spray drying. By the method, the retention rate of protein is high in the ultrafiltration membrane separation process; during concentration by using the 'four-effect evaporation' system, steam is saved, and energy consumption is reduced; and the corn steep liquor is wrapped by a microcapsulation technology, so that the corn steep liquor is easy to dry, preserve and transport.
Description
Technical field
The present invention relates to a kind of method of utilizing corn steep liquor to prepare the instant corn paste dry powder.
Background technology
At present, the nitrogenous source during cornstarch manufacturing enterprise directly produces as enzyme preparation with corn steep liquor mostly owing to contain a large amount of moisture in the corn steep liquor, is deposited and is grown microorganism in the process easily, degraded nutritional labeling wherein.At drying stage, the direct spray drying process of domestic common employing, the Dried Corn Steep Liquor Powder hygroscopicity that obtains by this method is more intense, is difficult to store, and in the process of depositing, is prone to caking.In the process dry through spray drying tower, Dried Corn Steep Liquor Powder is adsorbed on the filter flour bag of spray drying tower, causes the filter flour bag to be difficult to cleaning, even sticks with paste a filter flour bag live, and just makes the spray drying tower cisco unity malfunction thus.
Summary of the invention
Technical problem to be solved by this invention is the method for prior art for preparing corn steep liquor; Take up space when the corn steep liquor that obtains contains large quantity of moisture, transportation and storage big, carrying is inconvenient, leave standstill and must fully stir the back when being prone to produce deposition, batching after a period of time and use, and has increased the labour intensity of operation.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: step comprises utilizes the milipore filter isolation technics, and the separation corn steep liquor is trapped fluid and sees through liquid two parts; Adopt the method for milk of lime neutralization precipitation that the liquid that sees through described in the last step is carried out the Processing of Preparation inositol, produce supernatant simultaneously; Adopt " quadruple effect evaporation " concentration technology that the mixed liquor of trapped fluid and said supernatant is carried out concentration, afterwards the mixed liquor after concentrating is added a certain amount of maltodextrin, adopt spray drying method for preparation micro-capsulized instant Dried Corn Steep Liquor Powder.
Further, said ultrafiltration membrance filter equipment is a flat plate ultrafiltration membrane equipment, and this equipment membrane material is PE; The relative molecular weight cut off of milipore filter is 20KD; The aperture is 5000 dalton, and the trapped fluid molecular weight that this step a is separated is greater than 5000 dalton, and the molecular weight that sees through liquid is less than 5000 dalton.
Further, described ultrafiltration membrance filter system operation temperature is 25 ℃, and operating pressure is 0.2MPa, and inlet flow rate is 160L/min.
Further; Said " quadruple effect evaporation " concentration systems is four continuous heating clambers; The boiling point of operation pressure and the solution of back one heating clamber is more last heating clamber low all; Can the indirect steam of last heating clamber be introduced back one heating clamber as heat medium, in heater, make said steam and mixed liquor carry out heat exchange, this mixed liquor of evaporation and concentration.
Further, in the said spray-drying process, add 10% maltodextrin of concentrate solid content amount in the concentrate; Reach through the high pressure homogenizer homogeneous then and mix, concentrate emulsification is dispersed in the maltodextrin, adopt complex coacervation to make the emulsion system generation aggregation of preparation afterwards; Form microcapsules; Cooling then makes the microcapsules sizing and solidifying, and it is dry to make said microcapsules get into spray drying tower through the high-pressure injection mode at last, collects Dried Corn Steep Liquor Powder.
Further, in the said spray-drying process, selecting spray-dired EAT is 100 ℃.
Beneficial effect of the present invention is:
1, the present invention adopts flat milipore filter to reclaim the rate and protein retention height in the corn steep liquor; Concentrated effect is obvious; Concentrate through flat milipore filter and can the corn protein in the soak be concentrated into half solid content state; Be very beneficial for freezing or bake drying, and this ultrafiltration system have that running temperature is low, production efficiency is high, can realize advantage such as control automatically; The supernatant that produces in the trapped fluid that milipore filter separate to obtain and the preparation inositol mixes, and to finite concentration, this method can be saved steam to mixed liquor with the concentrated mixed liquor of " quadruple effect evaporation " system, the reduction energy; Technology through microcapsules wraps up corn steep liquor, can be dry easily, be easy to storage and transport again.
2, no matter technology of the present invention still is the properties of product aspect aspect production technology, has both met to clean production, guarantees the feature of environmental protection and the security of product again.
Description of drawings
Fig. 1 is a corn steep liquor membrane separating process chart of the present invention.
Fig. 2 is a mixed liquor quadruple effect evaporation treatment process flow chart of the present invention.
Fig. 3 is Dried Corn Steep Liquor Powder technological process of production figure of the present invention.
The specific embodiment
As shown in Figure 1, the method for utilizing corn steep liquor to prepare the instant corn paste dry powder of the present invention may further comprise the steps: comprise clarification separation, ultra-filtration filters, quadruple effect evaporation, spray-drying.
At first with the clarification partition method corn steep liquor is carried out preliminary treatment, adopt flat plate ultrafiltration membrane equipment then, pretreated liquid is carried out ultrafiltration membrance filter, its milipore filter membrane area of selecting for use is 1 m
2, membrane material is PE, the relative molecular weight cut off of milipore filter is 20KD; The aperture is 5000 dalton, and system's operation temperature is 25 ℃, and operating pressure is 0.2MPa; Inlet flow rate is 160L/min; Obtain to see through liquid and trapped fluid thus, wherein see through the liquid molecular weight less than 5000 dalton, the trapped fluid molecular weight is greater than 5000 dalton.
Milk of lime is added seeing through in the liquid in the above-mentioned steps, carry out neutralization reaction, produce deposition, discharge supernatant, this supernatant is mixed with trapped fluid.
Quadruple effect downflow type falling film evaporator, aborning, evaporating a large amount of moisture must need to consume a large amount of heating steam.The heating steam of in " quadruple effect evaporation " system, the indirect steam of last effect being imitated as back one, so only first effect needs to consume living steam.The boiling point that " quadruple effect evaporation " system requires operation pressure that back one imitates and solution in when operation is more last effect low all; Therefore the indirect steam of introducing last effect can be used as heat medium; Promptly the heating clamber of back one effect becomes the condenser of last effect indirect steam, the operating principle that Here it is " quadruple effect evaporation ".
As shown in Figure 2, in " quadruple effect evaporation " device, utilize the mixed liquor of Boiler Steam and said supernatant and trapped fluid to carry out heat exchange, make the abundant concentration and evaporation of moisture in the mixed liquor, evaporated liquor discharges after condensation, and concentrate is recycled.The condensation after being evaporated into gas under the effect of steam of about 90% moisture only contains organic matters in the trapped fluid in the condensate liquid, and COD concentration reduces greatly, handles after after collecting, entering sewage treatment plant and process water mixes; Remaining part is the corn steep liquor concentrate, wherein contains a large amount of organic matters such as soluble protein, can be sprayed onto after the collection and be processed into the whitewashing fiber on the zein fiber, or through being spray dried to Dried Corn Steep Liquor Powder.
Like Fig. 3, be the Dried Corn Steep Liquor Powder technological process of production, in this flow process, added maltodextrin.If do not add maltodextrin, and directly obtain Dried Corn Steep Liquor Powder through spray drying technology, this dry powder hygroscopicity is more intense, is difficult to store, and in the process of depositing, is prone to caking.The most unmanageablely be, in the process dry through spray drying tower, Dried Corn Steep Liquor Powder is adsorbed on the filter flour bag of spray drying tower, causes the filter flour bag to be difficult to cleaning, even sticks with paste a filter flour bag live, and just makes the spray drying tower cisco unity malfunction thus.In view of above reason, the corn steep liquor concentrate in the above-mentioned steps is carried out in the spray-drying process, select for use maltodextrin as the wall material; Technology through microencapsulation wraps up corn steep liquor; Can be dry easily, be easy to storage and transport again, this is owing to the decision of maltodextrin character.
System is in service in " quadruple effect evaporation ", and the concentration of said concentrate is then added maltodextrin and is dissolved in this concentrate about 25%; The amount that maltodextrin adds is 10% of a concentrate solid content amount; Reach through the high pressure homogenizer homogeneous and to mix, concentrate emulsification is dispersed in the maltodextrin, because maltodextrin itself just has emulsifying effectiveness; Behind the homogeneous, ability and corn steep liquor composition form good combination.In spray-drying process, system's EAT is 100 ℃, adopts complex coacervation to make the emulsion system generation aggregation of preparation, forms microcapsules, and cooling then makes the microcapsules sizing and solidifying.Get into the spray drying tower drying through the high-pressure injection mode, collect Dried Corn Steep Liquor Powder.
[0022] protection scope of the present invention is not limited to the foregoing description, and all conspicuous technology distortion of doing according to know-why of the present invention all fall within the protection domain of the present invention.
Claims (6)
1. a method of utilizing corn steep liquor to prepare the instant corn paste dry powder is characterized in that, this method for preparing the instant corn paste dry powder may further comprise the steps:
A. corn steep liquor is clarified the separation preliminary treatment, afterwards treatment fluid is carried out ultrafiltration membrance filter again, obtain trapped fluid and see through liquid;
B. carry out neutralization reaction toward step a is described through adding milk of lime in the liquid, generate the phytic acid calcium deposition, filter phytic acid calcium and precipitate, discharge supernatant;
C. the supernatant described in trapped fluid described in the step a and the step b is mixed, adopt " quadruple effect evaporation " concentration technology that this mixed liquor is carried out concentration then;
D. add a certain amount of maltodextrin in the mixed liquor after the concentration described in the step c, adopt spray drying method for preparation micro-capsulized instant Dried Corn Steep Liquor Powder then.
2. the method for preparing the instant corn paste dry powder according to claim 1; It is characterized in that: the ultrafiltration membrance filter equipment among the said step a is a flat plate ultrafiltration membrane equipment; This equipment membrane material is PE, and the relative molecular weight cut off of milipore filter is 20KD, and the aperture is 5000 dalton; The trapped fluid molecular weight that this step a is separated is greater than 5000 dalton, and the molecular weight that sees through liquid is less than 5000 dalton.
3. the method for preparing the instant corn paste dry powder according to claim 1 and 2 is characterized in that: described ultrafiltration membrance filter system operation temperature is 25 ℃, and operating pressure is 0.2MPa, and inlet flow rate is 160L/min.
4. the method for preparing the instant corn paste dry powder according to claim 1; It is characterized in that: among the said step c; Said " quadruple effect evaporation " concentration systems is four continuous heating clambers, and the boiling point of operation pressure and the solution of back one heating clamber is more last heating clamber low all, can the indirect steam of last heating clamber be introduced a back heating clamber as heat medium; In heater, make said steam and mixed liquor carry out heat exchange, this mixed liquor of evaporation and concentration.
5. the method for preparing the instant corn paste dry powder according to claim 1; It is characterized in that: in the said steps d, add 10% maltodextrin of concentrate solid content amount in the mixed liquor after the concentration, reach through the high pressure homogenizer homogeneous then and mix; Concentrate emulsification is dispersed in the maltodextrin; Adopt complex coacervation to make the emulsion system generation aggregation of preparation afterwards, form microcapsules, cooling then makes the microcapsules sizing and solidifying; It is dry to make said microcapsules get into spray drying tower through the high-pressure injection mode at last, collects Dried Corn Steep Liquor Powder.
6. according to claim 1 or the 5 described methods that prepare the instant corn paste dry powder, it is characterized in that: in the said steps d, selecting spray-dired EAT is 100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100380919A CN102550937A (en) | 2012-02-20 | 2012-02-20 | Method for preparing instant dried corn steep liquor powder by using corn steep liquor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100380919A CN102550937A (en) | 2012-02-20 | 2012-02-20 | Method for preparing instant dried corn steep liquor powder by using corn steep liquor |
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| CN102550937A true CN102550937A (en) | 2012-07-11 |
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| CN2012100380919A Pending CN102550937A (en) | 2012-02-20 | 2012-02-20 | Method for preparing instant dried corn steep liquor powder by using corn steep liquor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775510A (en) * | 2012-08-06 | 2012-11-14 | 青岛德慧海洋生物科技有限公司 | Preparation technique of low-temperature instant carrageenan |
| CN104938763A (en) * | 2014-03-28 | 2015-09-30 | 中粮营养健康研究院有限公司 | Method for separating proteins from corn original pulp |
| CN110483240A (en) * | 2019-08-02 | 2019-11-22 | 潍坊盛泰药业有限公司 | A kind of soak water of maize method of comprehensive utilization |
| CN110608585A (en) * | 2018-06-15 | 2019-12-24 | 内蒙古兆沣生物科技有限公司 | Drying processing method of corn steep liquor |
| CN114555647A (en) * | 2019-10-18 | 2022-05-27 | 罗盖特公司 | Soluble Corn Steep |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101486770A (en) * | 2009-02-18 | 2009-07-22 | 山东华义玉米科技有限公司 | Method and equipment for utilizing waste heat from corn starch production |
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- 2012-02-20 CN CN2012100380919A patent/CN102550937A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101486770A (en) * | 2009-02-18 | 2009-07-22 | 山东华义玉米科技有限公司 | Method and equipment for utilizing waste heat from corn starch production |
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| 孙君社: "《玉米浸泡液超滤提取菲汀》", 《郑州轻工业学院学报》, vol. 8, no. 3, 30 September 1993 (1993-09-30) * |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775510A (en) * | 2012-08-06 | 2012-11-14 | 青岛德慧海洋生物科技有限公司 | Preparation technique of low-temperature instant carrageenan |
| CN102775510B (en) * | 2012-08-06 | 2015-02-18 | 青岛德慧海洋生物科技有限公司 | Preparation technique of low-temperature instant carrageenan |
| CN104938763A (en) * | 2014-03-28 | 2015-09-30 | 中粮营养健康研究院有限公司 | Method for separating proteins from corn original pulp |
| CN104938763B (en) * | 2014-03-28 | 2018-08-21 | 中粮营养健康研究院有限公司 | The method of protein isolate from corn primary-pulp |
| CN110608585A (en) * | 2018-06-15 | 2019-12-24 | 内蒙古兆沣生物科技有限公司 | Drying processing method of corn steep liquor |
| CN110483240A (en) * | 2019-08-02 | 2019-11-22 | 潍坊盛泰药业有限公司 | A kind of soak water of maize method of comprehensive utilization |
| CN114555647A (en) * | 2019-10-18 | 2022-05-27 | 罗盖特公司 | Soluble Corn Steep |
| US20220372174A1 (en) * | 2019-10-18 | 2022-11-24 | Roquette Freres | Soluble corn steep |
| CN114555647B (en) * | 2019-10-18 | 2024-05-07 | 罗盖特公司 | Soluble corn steep |
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Application publication date: 20120711 |