CN1291659C - Micronutrient reinforced rice and squeezing production method thereof - Google Patents
Micronutrient reinforced rice and squeezing production method thereof Download PDFInfo
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- CN1291659C CN1291659C CNB2005100392297A CN200510039229A CN1291659C CN 1291659 C CN1291659 C CN 1291659C CN B2005100392297 A CNB2005100392297 A CN B2005100392297A CN 200510039229 A CN200510039229 A CN 200510039229A CN 1291659 C CN1291659 C CN 1291659C
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Abstract
The present invention relates to micronutrient reinforced rice and an extrusion production method thereof, particularly to a method for producing the micronutrient reinforced rice by extruding, which belongs to the technical field of food processing. Rice flour and micronutrient powder are fully and uniformly mixed, then are added with water and are heated, and monoglyceride is also added to be uniformly mixed with the materials; a finished product is formed by extruding, cutting, forming, drying, sieving and proportioning the materials. The present invention has the advantages of balanced nutrition, favorable storage performance and elutriation resistance performance, and high retention rate and utilization rate of the micronutrients. Through organoleptic investigation, the appearance, the mouth feel and the flavor of the micronutrient reinforced rice are very adjacent to those of ordinary rice; the micronutrient reinforced rice is a healthy food with very high nutritive value. The present invention has strong adaptability, simple process flow, high production efficiency and automation degree, and strong product imitation performance, and is capable of imitating various kinds of micronutrient reinforced rice, such as round rice, long rice, fragrant rice, etc.
Description
Technical field
The present invention relates to a kind of micronutrient reinforced rice and extrusion method for producing thereof, specifically adopt the method for extruding to produce micronutrient reinforced rice, belong to food processing technology field.
Background technology
Raising along with living standards of the people, the precision of rice is also more and more higher, micro-retention rate, various nutritional labeling (except that starch) also are and reduce trend significantly in the rice, people have proposed to add the rice after fine finishining reasonably trace element, vitamin, essential amino acid from meals science, angle balanced in nutrition in recent years, with the edible nourishing value of comprehensive raising rice.
External a lot of to the research of micronutrient reinforced rice, jejune production methods such as seed premixed technology, powder premixed technology are arranged the earliest, developed artificial intensified rice technology, the pre-steaming method technology of acid afterwards again, directly soaked relatively more ripe production method such as suction method technology and coating method technology.The research of domestic micronutrient reinforced rice is since early 1980s, and some R﹠D institutions, producer begin development, test manufacture micronutrient reinforced rice, and technology mainly adopts strong type reinforcement.Reinforcement process generally is to rely on the mill high speed rotating of roller and the progradation of rice machine to make that the nutrient and the grain of rice are surperficial to be combined, it is inner and surperficial to utilize the interior heat of equipment (about 60 ℃) at short notice various nutrients to be forced to enter the grain of rice, adopts again afterwards and utilizes nutrient solution under high pressure to soak the strong method of suction in container.
Occurred in recent years rice expanding microporous-solidify-soak the micronutrient reinforced rice production method of suction nutritional agents-multiple film.These technologies constantly enrichment and development the manufacturing process of micronutrient reinforced rice, but have generally but that the processing method energy consumption is big, a complex process, shortcomings such as investment is big, processing cost is high, product appearance, local flavor, mouthfeel difference.
Summary of the invention
A main purpose of the present invention just provides a kind of micronutrient reinforced rice balanced in nutrition, and its storage endurance, anti-elutriation are good, the retention rate of micronutrient, utilization rate height, and outward appearance, mouthfeel, local flavor and general rice are very approaching;
Another object of the present invention provides a kind of method of extruding that adopts and produces micronutrient reinforced rice, its adaptability is strong, technological process is easy, production efficiency and automaticity height, and product imitation is strong, can imitate various different types of rice such as polished rice, long-grained nonglutinous rice, scented rice.
Main solution of the present invention is achieved in that
The composition of micronutrient reinforced rice of the present invention and proportioning percentage by weight are:
The present invention gets ground rice (butt): 57.0-69.0, water are: 30.0-40.0, micronutrient are: 0.5-1.5, monoglyceride are: 0.5-1.5.
The present invention gets ground rice and micronutrient powder, and fully mixing heats and adding monoglyceride and above-mentioned material mixing water, through extruding, cutting forming, drying, screening, proportioning finished product.
The present invention produces micronutrient reinforced rice and adopts following processing step:
1, get ground rice (butt) and micronutrient powder, fully mixing obtains material A;
2, half of water intaking weight heats, and heating-up temperature is: 75～90 ℃, add monoglyceride, and treat the monoglyceride fusing after the high speed dispersion device disperses to obtain in 3～5 minutes material B;
3, in half the adding material A with material B and water weight, fully mixing obtains material C;
4, adopt screw extruder that material C is pushed, material C pushes after nib is extruded and is cut into shape, and obtains the rice that is shaped; Screw extruder sleeve temperature is: 20～50 ℃; Screw speed is: 100～170r/min;
5, the shaping rice that obtains after will cutting carries out drying, and baking temperature is: 40～60 ℃, be drying time: 22-24 hour, to its water content be 8～13%;
6, dried shaping rice is screened by classifying screen remove large and small cracking rice, obtain selected reinforcement rice;
7, selected reinforcement rice and various general rice are carried out proportioning, obtain various different types of micronutrient reinforced rices.
The nib number adopts 8～16 among the present invention, and the gap on cutting machine cutting knife cutting edge and nib plane remains on 0.05～0.15mm;
Nib of the present invention adopts slotted eye, and the slotted eye major axis is: 4.0～7.0mm, and minor axis is: 1.2～1.8mm;
Cutting machine cutting knife rotating speed of the present invention is: 500～670r/min.
Micronutrient powder of the present invention adopts a kind of in VA acetate, thiamine, riboflavin, zinc gluconate, the calcium lactate etc. or two or more in them.
Compared with the prior art the present invention has the following advantages:
The present invention is balanced in nutrition, storage endurance, anti-elutriation are good, the retention rate of micronutrient, utilization rate height, and through subjective appreciation, its outward appearance, mouthfeel, local flavor and general rice are very approaching, are the very high healthy food of a kind of nutritive value; Its adaptability is strong, technological process is easy, production efficiency and automaticity height, and product imitation is strong, can imitate various different types of micronutrient reinforced rices such as polished rice, long-grained nonglutinous rice, scented rice.
Description of drawings
Fig. 1 is a process chart of the present invention:
The specific embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
Embodiment one:
Its composition of the present invention and proportioning be percentage by weight:
At first round-grained rice is cracked rice in the embodiment of the invention and grind into 60 purpose polished rice powder with pulverizer.
The polished rice powder (butt) of accurate weighing 57.0 and 1.5 micronutrient powder, the micronutrient powder is got: VA acetate 250CWS/A and thiamine (VA acetate 250CWS/A account for total amount 80%), and being placed in the mixer fully, mixing polished rice powder and micronutrient powder obtain material A; Accurately measuring 20.0 distilled water places and is heated to 75 ℃ on the electric furnace, 1.5 monoglycerides that add accurate weighing, treat the monoglyceride fusing after XHF-1 high speed dispersion device disperses to obtain in 3 minutes material B, the material B and 20.0 the distilled water of accurately measuring are added in the material A, use the abundant mixing of mixer to obtain material C.
Use ZY800 wet method single-screw extrusion machine that material C is pushed, extruding condition is: screw speed is: 100r/min, the sleeve temperature is: 20 ℃.
Material C extruding is after the machine cutting forming is extruded and be cut to nib, and the gap on cutting machine cutting knife cutting edge and nib plane remains on 0.05mm, and the nib number is eight.When oval nib major axis is: 4.4mm, minor axis is: 1.8mm, the cutting knife rotating speed is: during 500r/min, the shaping rice after the cutting is extremely similar to common polished rice.
In 40 ℃ of oven dryings 22 hours, make its moisture be about 13% in the shaping rice after the cutting.
Dried shaping rice screened by MJP100 * 3 white rice graders remove large and small cracking rice, obtain selected reinforcement polished rice.
Use positive displacement to join meter device selected reinforcement polished rice and common polished rice are carried out proportioning in 1: 200 ratio, obtain micronutrient reinforced polished rice.
Embodiment two:
At first will Xian be cracked rice in the embodiment of the invention and grind into 60 purpose long-grained nonglutinous rice powder with pulverizer.
The long-grained nonglutinous rice powder (butt) of accurate weighing 69.0 and 0.5 micronutrient powder, the micronutrient powder is got: VA acetate 250CWS/A and riboflavin (VA acetate 250CWS/A account for total amount 80%), use mixer abundant mixing long-grained nonglutinous rice powder and micronutrient powder to obtain material A; Accurately measuring 20.0 distilled water places and is heated to 82.5 ℃ on the electric furnace, 0.5 monoglyceride that adds accurate weighing, treat the monoglyceride fusing after XHF-1 high speed dispersion device disperses to obtain in 4 minutes material B, the distilled water of the material B and the 15.0-20.0 of accurately measuring is added in the material A, use the abundant mixing of mixer to obtain material C.
Use ZY800 wet method single-screw extrusion machine that material C is pushed, extruding condition is: screw speed is: 135r/min, the sleeve temperature is: 35 ℃.
Material C extruding is after the machine cutting forming is extruded and be cut to nib, and the gap on cutting machine cutting knife cutting edge and nib plane remains on 0.01mm, and the nib number is eight.When oval nib major axis is 6.0mm, minor axis is 1.2mm, and when the cutting knife rotating speed was 585r/min, the shaping rice after the cutting was extremely similar to common long-grained nonglutinous rice.
In 50 ℃ of oven dryings 23 hours, its moisture is about: 10.5% in the shaping rice after the cutting.
Dried shaping rice screened by MJP100 * 3 white rice graders remove large and small cracking rice, obtain selected reinforcement long-grained nonglutinous rice.
Use positive displacement to join meter device selected reinforcement long-grained nonglutinous rice and common long-grained nonglutinous rice are carried out proportioning in 1: 100 ratio, obtain micronutrient reinforced long-grained nonglutinous rice.
Embodiment three:
With pulverizer round-grained rice is cracked rice in the embodiment of the invention and grind into 60 purpose polished rice powder.
The accurate polished rice powder (butt) of weighing 62.0 and 1, micronutrient powder, micronutrient powder are got riboflavin and zinc gluconate (zinc gluconate account for total amount 80%), and use mixer abundant mixing polished rice powder and micronutrient powder obtain material A; The distilled water of accurately measuring 15-20.0 places and is heated to 90 ℃ on the electric furnace, 1 monoglyceride that adds accurate weighing, treat the monoglyceride fusing after XHF-1 high speed dispersion device disperses to obtain in 5 minutes material B, the distilled water of the material B and the 15-20.0 of accurately measuring is added in the material A, use the abundant mixing of mixer to obtain material C.
Use ZY800 wet method single-screw extrusion machine that material C is pushed, extruding condition is: screw speed 170r/min, 50 ℃ of sleeve temperature.
Material C extruding is after the machine cutting forming is extruded and be cut to nib, and the gap on cutting machine cutting knife cutting edge and nib plane remains on 0.15mm, and the nib number is eight.When oval nib major axis is 4.4mm, minor axis is: 1.8mm, the cutting knife rotating speed is: during 670r/min, the shaping rice after the cutting is extremely similar to common polished rice.
In 60 ℃ of oven dryings 24 hours, make its moisture be about 8% in the shaping rice after the cutting.
Dried shaping rice screened by MJP100 * 3 white rice graders remove large and small cracking rice, obtain selected reinforcement polished rice.
Use positive displacement to join meter device selected reinforcement polished rice and common polished rice are carried out proportioning in 1: 200 ratio, obtain micronutrient reinforced polished rice.
The raw material that adopt among the present invention are purchased by market, and that uses is conventional equipment.
Claims (7)
1, a kind of micronutrient reinforced rice, feature be its form and proportioning by weight percentage be: getting ground rice is: 57.0-69.0, water are: 30.0-40.0, micronutrient are: 0.5-1.5, monoglyceride are: 0.5-1.5, with ground rice and micronutrient powder, abundant mixing, to water heating and adding monoglyceride and above-mentioned material mixing, be finished product through extruding, cutting forming, drying, screening, proportioning.
2, micronutrient reinforced rice according to claim 1 is characterized in that described micronutrient powder adopts a kind of in VA acetate, thiamine, riboflavin, zinc gluconate, the calcium lactate or two or more in them.
3, a kind of production method by the described micronutrient reinforced rice of production claim 1 is characterized in that adopting following processing step:
(1) get ground rice and micronutrient powder, fully mixing obtains material A;
(2), water intaking weight half heat, heating-up temperature is: 75～90 ℃, add monoglyceride, treat the monoglyceride fusing after the high speed dispersion device disperses to obtain in 3～5 minutes material B;
(3), half of material B and water weight added in material A, fully mixing obtains material C;
(4), adopt screw extruder that material C is pushed, material C pushes after nib is extruded and is cut into shape, and obtains the rice that is shaped; Screw extruder sleeve temperature is: 20～50 ℃; Screw speed is: 100～170r/min;
(5), the shaping rice that obtains after will cutting carries out drying, baking temperature is: 40～60 ℃, be drying time: 22-24 hour, to its water content be 8～13%;
(6), dried shaping rice screened by classifying screen removes large and small cracking rice, obtain selected reinforcement rice;
(7), selected reinforcement rice and various general rice being carried out proportioning is finished product.
4, the production method of micronutrient reinforced rice according to claim 3 is characterized in that described nib number adopts 8～16.
5, according to the production method of claim 3 or 4 described micronutrient reinforced rices, it is characterized in that described nib is a slotted eye, the slotted eye major axis is: 4.0～7.0mm, minor axis is: 1.2～1.8mm.
6, the production method of micronutrient reinforced rice according to claim 3 is characterized in that the gap on described cutting machine cutting knife cutting edge and nib plane remains on 0.05～0.15mm.
7, the production method of micronutrient reinforced rice according to claim 3 is characterized in that described cutting machine cutting knife rotating speed is: 500～670r/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100392297A CN1291659C (en) | 2005-04-30 | 2005-04-30 | Micronutrient reinforced rice and squeezing production method thereof |
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| CNB2005100392297A CN1291659C (en) | 2005-04-30 | 2005-04-30 | Micronutrient reinforced rice and squeezing production method thereof |
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| CN1291659C true CN1291659C (en) | 2006-12-27 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836728A (en) * | 2008-12-31 | 2010-09-22 | 上海亦晨信息科技发展有限公司 | Enriched-nutrient composite rice and preparation method thereof |
| CN101836729A (en) * | 2008-12-31 | 2010-09-22 | 上海亦晨信息科技发展有限公司 | Fast-cooked rice and preparation method thereof |
| CN101836727A (en) * | 2008-12-31 | 2010-09-22 | 上海亦晨信息科技发展有限公司 | Enriched-nutrient composite rice and preparation method thereof |
| CN102342517A (en) * | 2011-08-22 | 2012-02-08 | 东北农业大学 | Multi-taste compound rice with small berries and preparation method for multi-taste compound rice |
| CN102488219A (en) * | 2011-11-28 | 2012-06-13 | 江南大学 | Method for promoting nutrient permeation for preparing nutritious and instant rice with both ultrasonic wave and ultra-high pressure |
| CN103120277A (en) * | 2012-11-20 | 2013-05-29 | 南昌大学 | Method for preparing zinc nutrient fortified rice |
| CN113115901A (en) * | 2021-03-18 | 2021-07-16 | 桂林全州县康乐粉业有限责任公司 | Method for simultaneously producing fresh wet rice noodles and dry rice noodles |
| CN114097997A (en) * | 2021-11-29 | 2022-03-01 | 湖北天香粮油有限公司 | Processing technology for preparing nutrition-enriched rice by adding nutrition enhancer |
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Owner name: SHANGHAI TIANXIALIANGCANG RICE CO., LTD. Free format text: FORMER OWNER: JIANGNAN UNIVERSITY Effective date: 20080613 |
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