CN101665541A - Method for producing waxy corn starch - Google Patents
Method for producing waxy corn starch Download PDFInfo
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- CN101665541A CN101665541A CN200810150907A CN200810150907A CN101665541A CN 101665541 A CN101665541 A CN 101665541A CN 200810150907 A CN200810150907 A CN 200810150907A CN 200810150907 A CN200810150907 A CN 200810150907A CN 101665541 A CN101665541 A CN 101665541A
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Abstract
The invention relates to a starch-producing process, in particular to a process for producing waxy corn starch. The technological process comprises the following steps: raw material purification, soaking, crushing, germ separation, fine grinding, fiber washing, protein separation, dewatering, drying, packaging and storage. The process is characterized in that the process can wetly grind and process the waxy corn starch containing 95 and 100 percent of pure natural amylopectin by utilizing processing equipment for producing common corn, taking waxy corn as raw material and adopting equipment matched with the process for producing waxy corn starch under the condition of increasing no manpower and material resources. The process solving the problem that the common process for producing waxy corn starch is unsuitable for producing waxy corn starch is an effective measure for reducing equipment investment, saving foreign exchange and increasing the added value of starch.
Description
Technical field
The present invention relates to a kind of agricultural byproducts deep processing, be meant a kind of production method of waxy corn starch especially.
Background technology
The difference of waxy corn starch and conventional corn starch is: conventional corn starch contains about 73% amylopectin and 27% amylose starch, and waxy corn starch 100% is an amylopectin almost.
Waxy corn starch is compared with conventional corn starch, has following properties:
(1), the bulging force of height, be 2.7 times of conventional corn starch;
(2), Gao Du transparency;
(3), stronger viscosity and well film-forming properties;
(4), it sticks with paste the liquid good stability, difficult wearing out.
Have special nature just because of waxy corn starch, application in some aspects is that conventional corn starch and modified starch, cassava, potato and other non-waxy starch are difficult to alternate.From the commodity of present waxy corn starch exploitation, it can be used as thickening material, emulsifying agent, sticking agent, suspension agent and is widely used in sausage, soup custard can, sweet corn pasty state can, the processing raw material of cold vegetable dish in sauce seasoning matter, frozen product and various fast food instant food.Also be widely used in the fields such as paper industry, textile industry, sticking agent industry, pharmaceutical industry.From external situation, waxy corn starch and modified starch thereof are used comparatively general.Waxy corn starch output accounts for 8%～10% of whole wet-milling starch yield in the U.S., and output is about 1,300,000 tons, and 60% exports to all over the world, and price is higher more than 1 times than conventional corn starch.And in China, in recent years, also begin to produce modified starch with ative starch, but equipment is few, and turnout is little, does not satisfy the market requirement.Therefore improve Glutinous Semen Maydis production technique level, exploitation waxy corn starch resource is one and reduces facility investment, saves foreign exchange, improves the effective measure of starch added value.
Summary of the invention
In view of the demand of domestic and international market to waxy corn starch, the objective of the invention is to utilize the processing units of producing conventional corn, be raw material with the Glutinous Semen Maydis, a kind of method for producing waxy corn starch is provided.This method is under the condition that does not increase natural amylopectin, material resources, by adjust soaking temperature with soak time, shattering process temperature, separates grout absorption and advances to starch processing parameters such as concentration, drying temperature, can wet-milling process the waxy corn starch that contains 95%～100% pure natural side chain.
A kind of waxy corn starch production technique may further comprise the steps:
A. Glutinous Semen Maydis purifies: main screening or the selection by winnowing of adopting purifies impurity elimination;
B. soak: according to the raw material moisture situation, adopt the sulfurous acid of 0.2-0.25% to soak, soaking temperature is 40～42 ℃, and soak time is 48 hours;
C. broken, germ separation: soaked Glutinous Semen Maydis moisture reaches 45%, under 30-35 ℃ process temperature, after crusher in crushing, uses germ cyclone to isolate plumule;
D. correct grinding, fiber wash: the material of isolating plumule through correct grinding after, adopt the bent sieve of 5-7 stage pressure to carry out countercurrent washing and isolate fiber, the process water temperature is controlled at 30-35 ℃;
E. protein isolate: adopt separating centrifuge, the fecula breast concentration behind the separated fiber is 5-6 ° of B, enters separating machine, and the wash water temperature is controlled at 30-35 ℃;
F. dehydration, drying: starch milk is sent into separating centrifuge dehydration, can get the wet starch of water content 45%, carry out drying treatment again; The dry general of waxy corn starch adopted air stream drying, and vapor pressure is at 0.05-0.1MP
a, temperature is at 110-120 ℃, waxy corn starch surface temperature≤40 ℃ and not by gelatinization in drying process, the dry starch of water content 12%, packing back warehouse-in.
The beneficial effect of advantage of the present invention and generation is:
The gelatinization point of waxy corn starch is low than conventional corn starch, therefore in immersion, fragmentation, correct grinding and the courses of processing such as albumen sepn and drying, has adopted the processing temperature low than conventional corn, has saved the energy, has reduced cost;
(1), when soaking, conventional corn adopts under 55-58 ℃ the temperature and soaked 60 hours, and Glutinous Semen Maydis adopts and soaked 48 hours under the temperature that is no more than 42 ℃, can guarantee like this Glutinous Semen Maydis in immersion process not by gelatinization, and can reach good immersion effect;
(2), in the course of processing of broken, correct grinding and albumen sepn, process temperature is all unsuitable too high, generally adopts 30-35 ℃ processing temperature to be advisable;
(3), waxy corn starch breast viscosity is higher, albumen sepn generally adopts separating centrifuge to carry out albumen sepn than conventional corn starch difficulty, it is unsuitable too high to enter separating machine separating starch breast concentration, is 5-6 ° of B
e, the throughput of separating machine can only reach about 60% of conventional corn starch.Into slurry concentration and grout absorption to be controlled during albumen sepn well, just good separating effect can be reached.
(4), the dry general of waxy corn starch adopt air stream drying, and vapor pressure, temperature are unsuitable too high, pressure is no more than 0.1MP
a, temperature is at 110-120 ℃.Can guarantee that like this waxy corn starch surface temperature in drying process is no more than 40 ℃ and not by gelatinization.In addition, in the starch drying process, the starch pasting caking will sieve processing before packing because the local mechanical friction is hot, could guarantee its quality.
Description of drawings
Fig. 1 is the waxy corn starch technological process of production of the present invention.
Embodiment
What time following the present invention note in implementation process:
1, to the Glutinous Semen Maydis ingredient requirement:
The Glutinous Semen Maydis seed size of different varieties, color, glutinous property power, grain skin depth approach and have nothing in common with each other, kind is selected bigger to the influence of converted products quality and quantity.So in implementation process, should select the kind that bigger, the glutinous property of seed is strong, the grain skin is thin.Glutinous property stand the test rate reaches 99%, and foreign particle is no more than 1%.
2, to the waxy corn starch specification of quality:
Waxy corn starch is as a kind of food raw material, and quality index contains amylose starch hardly except that meeting edible corn starch national standard (GB8885-88), be amylopectin more than 95%, and peak viscosity reaches more than the 600BU.Have stronger viscosity and good film-forming properties, it sticks with paste liquid good stability, and transparency is high and be difficult for aging.
3, before batch process, must carefully clear up whole production line, in order to avoid sneak into conventional corn starch, influence the amylopection content of waxy corn starch.
The SSG-455 type separating machine of 50 μ m of the broken mill of the DTMT80 that the present invention mainly adopts Yunmeng small-sized moving machine plant in Hubei to produce, U.S.'s import, 75 μ m pressure curved sieves, the TRTVRZ type pin mill of German import, Japanese import, the processing unitss such as WG-1200-4B type water extracter that Guangzhou Heavy Machinery Plant produces, with the Glutinous Semen Maydis is raw material, under the condition that does not increase natural amylopectin, material resources, by the adjusting process parameter, can wet-milling processing contain the waxy corn starch of 95%～100% pure natural amylopectin.
The waxy corn starch production process:
Glutinous Semen Maydis → purification impurity elimination → immersion → fragmentation → germ separation → correct grinding → fiber wash → albumen sepn → dehydration → drying → packing warehouse-in.
(1), purify impurity elimination: main screening, the selection by winnowing of adopting purifies impurity elimination to Glutinous Semen Maydis.Major equipment is vibratory screening apparatus, specific-gravity stoner, permanent magnetic pulley.Corn is cleared up, removed large, medium and small impurity and stone and some metallic impurity, improve follow-up equipment cleaning effect and product purity with this;
(2), soak: Glutinous Semen Maydis moisture is 12-14%, and the sulfurous acid of employing 0.22% soaks, and soaking temperature is 40 ℃, and soak time is 48 hours.Immersion process Glutinous Semen Maydis 1.2m per ton
3The sulfurous sour water, Maize Absorption 0.5m
3, make corn moisture be elevated to 45% from 14%, remainingly discharge as rare corn steep liquor;
Glutinous Semen Maydis moisture and sulfurous acid concentration synopsis
| Glutinous Semen Maydis moisture (%) | ??10-12 | ??12-14 | ??14-16 | ??16-18 |
| Sulfurous acid concentration (%) | ??0.2 | ??0.22 | ??0.23 | ??0.25 |
(3), broken, germ separation: soaked Glutinous Semen Maydis moisture reaches 45%, after crusher in crushing, uses germ cyclone to isolate plumule.The broken mill of the DTMT80 that the present invention adopts Yunmeng small-sized moving machine plant in Hubei to produce, matched power is 37KW, breaking capacity is 4～8 tons of Glutinous Semen Maydiss per hour.
(4), correct grinding, fiber wash: the material of isolating plumule adopts the bent sieve of 5-7 stage pressure to carry out countercurrent washing and isolates fiber through after finish grinding.What the present domestic and international application of correct grinding equipment was maximum is the pin mill, and the present invention adopts the TRTVRZ type pin mill of German import, and matched power is 90KW, and the correct grinding ability is for per hour handling Glutinous Semen Maydis 8-10 ton.It has that production efficiency height, maintenance cost are low, stable operation, starch recoveries advantages of higher;
(5), protein isolate: generally adopt separating centrifuge, the fecula breast concentration behind the separated fiber is 5-6 ° of B
eEnter separating machine.Waxy corn starch breast viscosity is higher, and the throughput of separating machine can only reach about 60% of conventional corn starch.The present invention adopts the SSG-455 type separating machine of Japanese import, and matched power is 30KW, and processing power is for per hour handling starch milk 35-45m
3, its processing power can only reach per hour 25-30m when producing Glutinous Semen Maydis
3
(6), dehydration, drying: starch milk is sent into the separating centrifuge dehydration, can get the wet starch of water content 45%, carry out drying treatment again, get the dry starch of water content 12%, packing back warehouse-in.According to actual production, the Glutinous Semen Maydis after the purification per ton can get about commodity starch 600Kg.The WG-1200-4B type water extracter that the present invention adopts Guangzhou Heavy Machinery Plant to produce, matched power is 45KW.Glutinous Semen Maydis viscosity is higher, also causes certain difficulty to starch dehydration, drying.The dry general of waxy corn starch of the present invention adopts air stream drying, and steam (saturation steam) pressure, temperature are unsuitable too high, and pressure is 0.1MP
a, temperature is at 115 ℃.Can guarantee that like this waxy corn starch surface temperature in drying process is no more than 40 ℃ and not by gelatinization.In addition, in the starch drying process, the starch pasting caking will sieve processing before packing because the local mechanical friction is hot, could guarantee its quality.
Claims (1)
1, a kind of waxy corn starch production technique may further comprise the steps:
A. Glutinous Semen Maydis purifies: main screening or the selection by winnowing of adopting purifies impurity elimination;
B. soak: according to the raw material moisture situation, adopt the sulfurous acid of 0.2-0.25% to soak, soaking temperature is 40～42 ℃, and soak time is 48 hours;
C. broken, germ separation: soaked Glutinous Semen Maydis moisture reaches 45%, under 30-35 ℃ process temperature, after crusher in crushing, uses germ cyclone to isolate plumule;
D. correct grinding, fiber wash: the material of isolating plumule through correct grinding after, adopt the bent sieve of 5-7 stage pressure to carry out countercurrent washing and isolate fiber, the process water temperature is controlled at 30-35 ℃;
E. protein isolate: adopt separating centrifuge, the fecula breast concentration behind the separated fiber is 5-6 ° of B, enters separating machine, and the wash water temperature is controlled at 30-35 ℃;
F. dehydration, drying: starch milk is sent into separating centrifuge dehydration, can get the wet starch of water content 45%, carry out drying treatment again; The dry general of waxy corn starch adopted air stream drying, and vapor pressure is at 0.05-0.1MP
a, temperature is 110-120 ℃, waxy corn starch surface temperature≤40 ℃ and not by gelatinization in drying process, the dry starch of water content 12%, packing back warehouse-in.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464723A (en) * | 2010-11-10 | 2012-05-23 | 卢传民 | Compounding corn soaking method for corn starch production |
| CN102492045A (en) * | 2011-12-01 | 2012-06-13 | 甘肃昆仑生化有限责任公司 | Waxy corn starch production system and method for producing refined waxy corn starch |
| CN103254320A (en) * | 2013-03-11 | 2013-08-21 | 白银赛诺生物科技有限公司 | Method for producing corn starch by utilizing enzymic method |
| CN103665171A (en) * | 2013-11-26 | 2014-03-26 | 郑州市中食农产品加工研究院 | Method for steeping corn in production process of corn starch |
| CN104672335A (en) * | 2015-03-09 | 2015-06-03 | 山东西王糖业有限公司 | Wet grinding technology in production process of corn starch |
| CN104672336A (en) * | 2015-02-06 | 2015-06-03 | 山东祥瑞药业有限公司 | Corn starch production process |
| CN105294867A (en) * | 2015-11-30 | 2016-02-03 | 济南金王食品股份有限公司 | Plasma substitute midbody preparation method |
| CN107868133A (en) * | 2017-11-24 | 2018-04-03 | 安徽丰原发酵技术工程研究有限公司 | A kind of immersion process in processing of farm products production |
| CN107897945A (en) * | 2017-11-24 | 2018-04-13 | 安徽丰原发酵技术工程研究有限公司 | A kind of method that corn soaking new process prepares zein fiber |
| CN107955078A (en) * | 2017-11-24 | 2018-04-24 | 安徽丰原发酵技术工程研究有限公司 | A kind of method that corn soaking new process prepares cornstarch |
| CN107997005A (en) * | 2017-11-24 | 2018-05-08 | 安徽丰原发酵技术工程研究有限公司 | A kind of method that corn soaking new process prepares maize germ |
| CN108094666A (en) * | 2017-11-24 | 2018-06-01 | 安徽丰原发酵技术工程研究有限公司 | A kind of method that corn soaking new process prepares zein |
| CN108383918A (en) * | 2018-03-13 | 2018-08-10 | 长春市吉达自动化系统有限公司 | A kind of method that production of corn starch automation is realized |
| CN111303304A (en) * | 2020-04-16 | 2020-06-19 | 黑龙江昊天玉米开发有限公司 | Preparation method of corn starch |
| CN112342834A (en) * | 2020-04-01 | 2021-02-09 | 连江明杰信息技术有限公司 | Method for preparing papermaking starch glue |
Family Cites Families (3)
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| CN1008523B (en) * | 1988-09-28 | 1990-06-27 | 中国人民解放军辽宁省军区宁官农场 | A kind of novel process of corn starch separating |
| US5342932A (en) * | 1992-01-21 | 1994-08-30 | Kraft General Foods, Inc. | Process for preparing non-hydroxypropylated, deflavored, crosslinked, pregelatinized, starch and product |
| CN101033258B (en) * | 2007-04-09 | 2010-05-19 | 菱花集团有限公司 | Production technique for starch without waste matter |
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2008
- 2008-09-05 CN CN2008101509070A patent/CN101665541B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102464723A (en) * | 2010-11-10 | 2012-05-23 | 卢传民 | Compounding corn soaking method for corn starch production |
| CN102492045A (en) * | 2011-12-01 | 2012-06-13 | 甘肃昆仑生化有限责任公司 | Waxy corn starch production system and method for producing refined waxy corn starch |
| CN103254320A (en) * | 2013-03-11 | 2013-08-21 | 白银赛诺生物科技有限公司 | Method for producing corn starch by utilizing enzymic method |
| CN103254320B (en) * | 2013-03-11 | 2015-11-25 | 白银赛诺生物科技有限公司 | The method of Production by Enzymes W-Gum |
| CN103665171A (en) * | 2013-11-26 | 2014-03-26 | 郑州市中食农产品加工研究院 | Method for steeping corn in production process of corn starch |
| CN104672336A (en) * | 2015-02-06 | 2015-06-03 | 山东祥瑞药业有限公司 | Corn starch production process |
| CN104672335A (en) * | 2015-03-09 | 2015-06-03 | 山东西王糖业有限公司 | Wet grinding technology in production process of corn starch |
| CN105294867A (en) * | 2015-11-30 | 2016-02-03 | 济南金王食品股份有限公司 | Plasma substitute midbody preparation method |
| CN107868133A (en) * | 2017-11-24 | 2018-04-03 | 安徽丰原发酵技术工程研究有限公司 | A kind of immersion process in processing of farm products production |
| CN107897945A (en) * | 2017-11-24 | 2018-04-13 | 安徽丰原发酵技术工程研究有限公司 | A kind of method that corn soaking new process prepares zein fiber |
| CN107955078A (en) * | 2017-11-24 | 2018-04-24 | 安徽丰原发酵技术工程研究有限公司 | A kind of method that corn soaking new process prepares cornstarch |
| CN107997005A (en) * | 2017-11-24 | 2018-05-08 | 安徽丰原发酵技术工程研究有限公司 | A kind of method that corn soaking new process prepares maize germ |
| CN108094666A (en) * | 2017-11-24 | 2018-06-01 | 安徽丰原发酵技术工程研究有限公司 | A kind of method that corn soaking new process prepares zein |
| CN108383918A (en) * | 2018-03-13 | 2018-08-10 | 长春市吉达自动化系统有限公司 | A kind of method that production of corn starch automation is realized |
| CN112342834A (en) * | 2020-04-01 | 2021-02-09 | 连江明杰信息技术有限公司 | Method for preparing papermaking starch glue |
| CN111303304A (en) * | 2020-04-16 | 2020-06-19 | 黑龙江昊天玉米开发有限公司 | Preparation method of corn starch |
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