CN104222756A - Production method of wet-ground glutinous rice flour containing water - Google Patents

Production method of wet-ground glutinous rice flour containing water Download PDF

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Publication number
CN104222756A
CN104222756A CN201410419502.8A CN201410419502A CN104222756A CN 104222756 A CN104222756 A CN 104222756A CN 201410419502 A CN201410419502 A CN 201410419502A CN 104222756 A CN104222756 A CN 104222756A
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China
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glutinous rice
water
production method
rice flour
cooling
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CN201410419502.8A
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Chinese (zh)
Inventor
方德清
郭志军
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SICHUAN LONGWANG FOOD Co Ltd
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SICHUAN LONGWANG FOOD Co Ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products

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  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Cereal-Derived Products (AREA)

Abstract

The invention discloses a production method of wet-ground glutinous rice flour containing water. The production method comprises the following steps: firstly, removing stone blocks and impurities in glutinous rice; then adding water into the glutinous rice, constantly introducing compressed air into water, cleaning the glutinous rice, then adding water, and soaking for 3-4 hours; then firstly carrying out primary rough grinding by adopting a wet grinding method, then carrying out primary fine grinding; then screening by virtue of a sieve, extracting a glutinous rice pulp, and cooling the glutinous rice pulp to be below 18 DEG C; and then pumping the glutinous rice pulp into a filter press and carrying out filter pressing and dehydration so as to obtain the wet-ground glutinous rice flour containing water. Compared with the prior art, the method provided by the invention has the advantages that not only is the glutinous rice cleaned automatically, and is the method convenient and easy to operate, but also the water consumption is only one quarter of the original water consumption, and a great amount of water resources can be saved when the production method is applied to industrial production; meanwhile, by virtue of the method provided by the invention, a cooling technology is additionally adopted, and the breeding of microorganisms in the production process can be inhibited, so that the produced wet-ground glutinous rice flour containing water is safer and more sanitary, and can be directly used for food processing without being dried and sterilized.

Description

A kind of production method of moisture water-milling glutinous rice flour
Technical field
The invention belongs to grain processing field, relate to a kind of production method of water-milling glutinous rice flour.
Background technology
The ground rice that glutinous rice is made, compared with other cereal, is more suitable for making frozen food, is widely used in grocery trade, cold drink industry, among the people and restaurant make Lantern Festival etc.Adopt simple dry mill process to produce glutinous rice flour, when producing, temperature of charge can raise, and opaque mutability, mouthfeel, color and luster, nutrition etc. are all not ideal enough.And adopt levigation method to produce glutinous rice flour, by washing, soak and water mill, material temperature can not be too high, is not easy to produce thermal denaturation, and fineness is adjustable, and therefore water-milling glutinous rice flour is more soft, soft than dry grinding glutinous rice flour, and viscosity is better.
When producing water-milling glutinous rice flour, washing rice is first operation, according to hand labour, not only labour intensity is large, and weak effect, in the production of water-milling glutinous rice flour, clean the method that glutinous rice is generally taked to rinse with water at present, but rinsing glutinous rice with water needs to use a large amount of water by sticky rice washing totally, could can cause a large amount of wastes of water resource.
The whole world freshwater resources not only shortage and also Area distribution extremely uneven.Although water resources in china total amount occupies the 6th, the world, if weigh by this index of water resources ownership per capita, only account for 1/4 of world average level, rank is after the 110.Water shortage status at Chinese ubiquity, and has increasing trend, and the whole nation about has in 670 cities, the lack of water phenomenon of various degrees over half, and wherein serious water shortage has more than 110.Therefore, using water wisely, to improve water utilization rate, reduce water resource waste be we everyone obligation.
When producing water-milling glutinous rice flour; tradition levigation method many employings grinding-wheel grinder; first once roughly grind; carry out a fine grinding again; and adopt grinding-wheel grinder to produce water-milling glutinous rice flour; easily there are wearing and tearing in various degree in grinding-wheel grinder; not only can cause the damage of later stage abrasive disc grooving; the abrasive particle come off also can enter material and affect product quality; the phenomenon of water-milling glutinous rice flour product gritty tooth is caused to occur; and grinding-wheel grinder can crack at wheel face due to fretting wear, broken wearing and tearing, enters the breeding of the as easy as rolling off a log cooperating microorganisms of material of crackle.
When adopting traditional levigation method to produce water-milling glutinous rice flour, although material temperature can not be too high, be not easy to produce thermal denaturation, but the breeding of the higher still easy cooperating microorganisms of temperature, in the moisture water-milling glutinous rice flour obtained after press filtration, total number of bacteria is 3,000,000 ~ 6,000,000 cfu/g, microbiological indicator is too high, food processing can not be directly used in, follow-up food processing could be used for after having to pass through oven dry, process for sterilizing, not only increase operation and cost, and water-milling glutinous rice flour through drying, after sterilization is fresh not, nutriment reduces to some extent.
Summary of the invention
Object of the present invention is intended to overcome above-mentioned deficiency of the prior art, provide a kind of can environment-friendly water-saving, suppress the moisture water-milling glutinous rice flour production method of microbial reproduction.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A production method for moisture water-milling glutinous rice flour, its step is as follows:
A, pretreatment:
First reject stone, the impurity in glutinous rice, then add water in glutinous rice, and continue to pass into compressed air in water, glutinous rice is cleaned, then soaks 3 ~ 4h, obtain the glutinous rice soaked;
B, corase grind, fine grinding:
The glutinous rice of immersion steps A obtained adopts levigation method first once to roughly grind, then carries out a fine grinding, then through sieved through sieve, obtains sticky rice syrup;
C, cooling, press filtration:
The sticky rice syrup obtained by step B is cooled to less than 18 DEG C, is then extracted in filter press and carries out filter-press dehydration, namely obtains moisture water-milling glutinous rice flour.
A kind of preferred embodiment of the present invention is continue in step in water, pass into the compressed air that pressure is 0.7 ~ 1.25MPa, carries out cleaning 2 ~ 8min to glutinous rice.
Another kind of preferred embodiment of the present invention is in step, by controlling water temperature, the pH value of the water of immersion glutinous rice is remained between 5.8 ~ 8, and every 1 ~ 2h replacing once soaks water.
Another kind of preferred embodiment of the present invention is the equipment that rough grinding process uses in stepb is colloid mill, and by regulating colloid mill to make the grinding particle size of rough grinding process be 50 ~ 60 orders.
Another kind of preferred embodiment of the present invention is the equipment that fine grinding technology uses in stepb is colloid mill, and by regulating colloid mill to make the grinding particle size of fine grinding technology be 80 ~ 100 orders.
Another kind of preferred embodiment of the present invention is for adopt 80 ~ 100 eye mesh screens to sieve in stepb, and oversize enters mill and heavily grinds.
Another kind of preferred embodiment of the present invention for first to be cooled by double pipe heat exchanger by sticky rice syrup in step C, then is cooled by Cooling or heating jar, and the cooling media in described double pipe heat exchanger and Cooling or heating jar is frozen water.
Another kind of preferred embodiment of the present invention is in step C, use filter press press filtration 30 ~ 40min under pressure is the condition of 10 ~ 30MPa.
According to the moisture water-milling glutinous rice flour that aforementioned production method obtains, there is following characteristic: water content is 25% ~ 35%, total number of bacteria is 600,000 ~ 800,000 cfu/g.
The present invention's colloid mill product used is except motor and parts thereof, all parts contacted with material all adopt high-strength stainless steel to make, and dynamic and static mill carried out intensive treatment, therefore, there is good rotproofness and wearability, make that processed material is pollution-free, health.The present invention's colloid mill used turns tooth by motor by belt transmission drive to make relative High Rotation Speed with the tooth of determining matched, one of them High Rotation Speed, another is static, material to be machined produces downward spiral impulsive force by weight own or external pressure pressurization, through fixed, powerful shearing force is subject to when turning the gap between tooth, frictional force, dither, the physical actions such as high speed vortex, make material by emulsification effectively, dispersion, homogeneous and pulverizing, reach the effect of material fining pulverizing and emulsification, and pass through fixed, the adjustment turning the gap between tooth can control the granularity of crushing material.
Compared with prior art, the invention has the beneficial effects as follows:
When cleaning glutinous rice in the present invention, by continuing to pass into compressed air in water, what produce a large amount of bubbles entrain water seethes stirring, thus the cleaning realized glutinous rice, the method not only achieves the automation cleaning of glutinous rice, facilitate easy to operate, and mild condition, damage can not be caused to glutinous rice washing in meter process; Meanwhile, compared with rinsing with water, the glutinous rice water consumption of the method cleaning as much is only original 1/4th; and sticky rice washing obtains cleaner; substantially increase the utilization rate of water resource, it is applied to industrial production can save great lot of water resources, significant to water conservation.
The present invention all adopts colloid mill at corase grind, fine grinding technology, and do not use the grinding-wheel grinder in traditional handicraft, would not occur that emery wheel cracks because of wearing and tearing, the phenomenon of the particle that comes off so in process of production, also would not the breeding of cooperating microorganisms, the phenomenon of product gritty tooth can not be there is.
Moisture water-milling glutinous rice flour in the present invention in process of production, add the technique that cools, the breeding of microorganism in production process can be suppressed, make the moisture water-milling glutinous rice flour safety and sanitation more of producing, in the moisture water-milling glutinous rice flour obtained after press filtration, total number of bacteria is only 600,000 ~ 800,000 cfu/g, microbiological indicator is very low, the production of the rice dumpling can be directly used in, not only reduce oven dry, the steps such as sterilization, simplify production technology, ratio conventional method produces cost-saving 200 ~ 300 yuan/ton of glutinous rice flour, and the water content of moisture water-milling glutinous rice flour is 25% ~ 35%, fresher than the water-milling glutinous rice flour of drying after sterilization, nutritious, directly better by moisture water-milling glutinous rice flour production rice dumpling mouthfeel, can also avoid because drying, sterilization and cause the minimizing of glutinous rice flour Middle nutrition material.
Sticky rice syrup is allowed successively to be cooled sticky rice syrup by double pipe heat exchanger, Cooling or heating jar in process for cooling of the present invention, simple to operate, and cooling effect is better under double action, more rapidly sticky rice syrup can be cooled to less than 18 DEG C, better suppress the breeding of microorganism.
Detailed description of the invention
In order to understand technical scheme of the present invention better, be described in detail below by specific embodiment:
Embodiment one
A production method for moisture water-milling glutinous rice flour, its step is as follows:
A, pretreatment:
First stone, the impurity in glutinous rice is rejected, then add water in glutinous rice, and continue in water, pass into the compressed air that pressure is 0.7MPa, cleaning 8min is carried out to glutinous rice, soak 3h again, and by controlling water temperature, the water pH value of immersion glutinous rice is remained between 5.8 ~ 8, and the glutinous rice that water obtains soaking once is soaked in replacing per hour;
B, corase grind, fine grinding:
Spent material grinding particle size is that the glutinous rice of the immersion that steps A obtains by 50 object colloid mills adopts levigation method once to roughly grind, then re-using crushing material granularity is that 80 object colloid mills carry out a fine grinding, then 80 object screen clothes are adopted to sieve, obtain sticky rice syrup, and oversize enter mill heavily grind;
C, cooling, press filtration:
Use frozen water as cooling media, the sticky rice syrup obtained by step B is first cooled by double pipe heat exchanger, cooled by Cooling or heating jar again, filter-press dehydration 30min under pressure is the condition of 10MPa is extracted in filter press again after being cooled to 18 DEG C, namely obtain moisture water-milling glutinous rice flour, its water content is 35%, total number of bacteria is 800,000 cfu/g.
Embodiment two
A production method for moisture water-milling glutinous rice flour, its step is as follows:
A, pretreatment:
First stone, the impurity in glutinous rice is rejected, then add water in glutinous rice, and continue in water, pass into the compressed air that pressure is 1.25MPa, cleaning 2min is carried out to glutinous rice, soak 4h again, and by controlling water temperature, the water pH value of immersion glutinous rice is remained between 5.8 ~ 8, and every 2h changes the glutinous rice once soaking water and obtain soaking;
B, corase grind, fine grinding:
Spent material grinding particle size is that the glutinous rice of the immersion that steps A obtains by 60 object colloid mills adopts levigation method once to roughly grind, then re-using crushing material granularity is that 100 object colloid mills carry out a fine grinding, then 100 object screen clothes are adopted to sieve, obtain sticky rice syrup, and oversize enter mill heavily grind;
C, cooling, press filtration:
Use frozen water as cooling media, the sticky rice syrup obtained by step B is first cooled by double pipe heat exchanger, cooled by Cooling or heating jar again, filter-press dehydration 40min under pressure is the condition of 30MPa is extracted in filter press again after being cooled to 5 DEG C, namely obtain moisture water-milling glutinous rice flour, water content is 25%, total number of bacteria is 600,000 cfu/g.
Embodiment three
A production method for moisture water-milling glutinous rice flour, its step is as follows:
A, pretreatment:
First stone, the impurity in glutinous rice is rejected, then add water in glutinous rice, and continue in water, pass into the compressed air that pressure is 1MPa, cleaning 5min is carried out to glutinous rice, soak 3.5h again, and by controlling water temperature, the water pH value of immersion glutinous rice is remained between 5.8 ~ 8, and every 1.5h changes the glutinous rice once soaking water and obtain soaking;
B, corase grind, fine grinding:
Spent material grinding particle size is that the glutinous rice of the immersion that steps A obtains by 55 object colloid mills adopts levigation method once to roughly grind, then re-using crushing material granularity is that 90 object colloid mills carry out a fine grinding, then 90 object screen clothes are adopted to sieve, obtain sticky rice syrup, and oversize enter mill heavily grind;
C, cooling, press filtration:
Use frozen water as cooling media, the sticky rice syrup obtained by step B is first cooled by double pipe heat exchanger, cooled by Cooling or heating jar again, filter-press dehydration 35min under pressure is the condition of 20MPa is extracted in filter press again after being cooled to 12 DEG C, namely obtain moisture water-milling glutinous rice flour, water content is 30%, total number of bacteria is 700,000 cfu/g.
Embodiment four
A production method for moisture water-milling glutinous rice flour, its step is as follows:
A, pretreatment:
First stone, the impurity in glutinous rice is rejected, then add water in glutinous rice, and continue in water, pass into the compressed air that pressure is 0.7 ~ 1.25MPa, cleaning 2 ~ 8min is carried out to glutinous rice, soak 3 ~ 4h again, and by controlling water temperature, the water pH value of immersion glutinous rice is remained between 5.8 ~ 8, and every 1 ~ 2h changes the glutinous rice once soaking water and obtain soaking;
B, corase grind, fine grinding:
Spent material grinding particle size is that the glutinous rice of the immersion that steps A obtains by 50 ~ 60 object colloid mills adopts levigation method once to roughly grind, then re-using crushing material granularity is that 80 ~ 100 object colloid mills carry out a fine grinding, then 80 ~ 100 object screen clothes are adopted to sieve, obtain sticky rice syrup, and oversize enter mill heavily grind;
C, cooling, press filtration:
Use frozen water as cooling media, the sticky rice syrup obtained by step B is first cooled by double pipe heat exchanger, cooled by Cooling or heating jar again, be cooled to and after below 18 DEG C, be extracted in filter press filter-press dehydration 30 ~ 40min under pressure is the condition of 10 ~ 30MPa again, namely moisture water-milling glutinous rice flour is obtained, water content is 25% ~ 35%, and total number of bacteria is 600,000 ~ 800,000 cfu/g.
Although with reference to explanatory embodiment of the present invention, invention has been described here; above-described embodiment is only the present invention's preferably embodiment; embodiments of the present invention are not restricted to the described embodiments; should be appreciated that; those skilled in the art can design a lot of other amendment and embodiment; all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a production method for moisture water-milling glutinous rice flour, is characterized in that its step is as follows:
A, pretreatment:
First reject stone, the impurity in glutinous rice, then add water in glutinous rice, and continue to pass into compressed air in water, glutinous rice is cleaned, then soaks 3 ~ 4h, obtain the glutinous rice soaked;
B, corase grind, fine grinding:
The glutinous rice of immersion steps A obtained adopts levigation method first once to roughly grind, then carries out a fine grinding, then through sieved through sieve, obtains sticky rice syrup;
C, cooling, press filtration:
The sticky rice syrup obtained by step B is cooled to less than 18 DEG C, is then extracted in filter press and carries out filter-press dehydration, namely obtains moisture water-milling glutinous rice flour.
2. production method according to claim 1, is characterized in that continuing in steps A in water, pass into the compressed air that pressure is 0.7 ~ 1.25MPa, carries out cleaning 2 ~ 8min to glutinous rice.
3. production method according to claim 1, it is characterized in that by controlling water temperature, the pH value of the water of immersion glutinous rice being remained between 5.8 ~ 8 in steps A, and every 1 ~ 2h replacing once soaks water.
4. production method according to claim 1, is characterized in that the equipment that in step B, rough grinding process uses is colloid mill, and by regulating colloid mill to make the grinding particle size of rough grinding process be 50 ~ 60 orders.
5. production method according to claim 1, is characterized in that the equipment that in step B, fine grinding technology uses is colloid mill, and by regulating colloid mill to make the grinding particle size of fine grinding technology be 80 ~ 100 orders.
6. production method according to claim 1, is characterized in that adopting 80 ~ 100 object screen clothes to sieve in stepb, and oversize enters mill and heavily grinds.
7. production method according to claim 1, be is characterized in that first being cooled by double pipe heat exchanger by sticky rice syrup in step C, then is cooled by Cooling or heating jar, and the cooling media in described double pipe heat exchanger and Cooling or heating jar is frozen water.
8. production method according to claim 1, is characterized in that using filter press press filtration 30 ~ 40min under pressure is the condition of 10 ~ 30MPa in step C.
9. the moisture water-milling glutinous rice flour that obtains of production method according to any one of claim 1 to 8, is characterized in that it has following characteristic: water content is 25% ~ 35%, total number of bacteria is 600,000 ~ 800,000 cfu/g.
CN201410419502.8A 2014-08-22 2014-08-22 Production method of wet-ground glutinous rice flour containing water Pending CN104222756A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104522510A (en) * 2015-01-06 2015-04-22 黄越通 Steamed vermicelli roll manufacturing method and low-temperature fine rice milk grinding machine
CN107048168A (en) * 2017-06-14 2017-08-18 叙永县马岭粮油食品有限公司 A kind of glutinous rice infuser device produced for water-milling glutinous rice flour and method
CN110140863A (en) * 2019-05-30 2019-08-20 北京工商大学 A kind of production method of water-milling glutinous rice flour

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103416664A (en) * 2013-09-02 2013-12-04 河南黄国粮业股份有限公司 Method for producing water-grinding glutinous rice flour
CN103494069A (en) * 2013-10-19 2014-01-08 周太平 Levigated glutinous rice flour

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103416664A (en) * 2013-09-02 2013-12-04 河南黄国粮业股份有限公司 Method for producing water-grinding glutinous rice flour
CN103494069A (en) * 2013-10-19 2014-01-08 周太平 Levigated glutinous rice flour

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
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张文叶: "《冷冻方便食品加工技术及检验》", 28 February 2005, 北京:化学工业出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104522510A (en) * 2015-01-06 2015-04-22 黄越通 Steamed vermicelli roll manufacturing method and low-temperature fine rice milk grinding machine
CN107048168A (en) * 2017-06-14 2017-08-18 叙永县马岭粮油食品有限公司 A kind of glutinous rice infuser device produced for water-milling glutinous rice flour and method
CN110140863A (en) * 2019-05-30 2019-08-20 北京工商大学 A kind of production method of water-milling glutinous rice flour

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Application publication date: 20141224