CN108722533A - A method of producing unpolished rice by raw material of brown rice - Google Patents

A method of producing unpolished rice by raw material of brown rice Download PDF

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Publication number
CN108722533A
CN108722533A CN201810713965.3A CN201810713965A CN108722533A CN 108722533 A CN108722533 A CN 108722533A CN 201810713965 A CN201810713965 A CN 201810713965A CN 108722533 A CN108722533 A CN 108722533A
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China
Prior art keywords
rice
raw material
unpolished
brown
brown rice
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Pending
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CN201810713965.3A
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Chinese (zh)
Inventor
李修明
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Xiangyang Siya Rice Industry Co Ltd
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Xiangyang Siya Rice Industry Co Ltd
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Application filed by Xiangyang Siya Rice Industry Co Ltd filed Critical Xiangyang Siya Rice Industry Co Ltd
Priority to CN201810713965.3A priority Critical patent/CN108722533A/en
Publication of CN108722533A publication Critical patent/CN108722533A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B5/00Grain treatment not otherwise provided for
    • B02B5/02Combined processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B3/00Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming

Abstract

The present invention relates to a kind of methods producing unpolished rice as raw material using brown rice, this method is to process raw material less than the brown rice of 15.5%, complete Shuai≤98% for retaining embryo with water content, through going stone and magnetic separation, abrasive band rice mill pearling, classification, color sorting and packaging step to obtain the most plumule of reservation, pericarp, the unpolished rice for planting skin and aleurone of the present invention.The method of the present invention only removes the cuticula on brown rice surface by optimal control abrasive band husk rice processing technology, member-retaining portion kind skin, aleurone, plumule, endosperm, thus remain more large content of nutrition, the rice milling yield of paddy is significantly improved simultaneously, its production cost is low, market sale price also can be reduced suitably, to allow more consumers afford to eat this Nutritive Rice;Since the unpolished rice production method of the present invention removes the cuticula on brown rice surface, water can be entered in rice quickly, easily well-done, it is edible to may be used as staple food rice close to pure white rice for mouthfeel and digestion time.

Description

A method of producing unpolished rice by raw material of brown rice
Technical field
The invention belongs to rice industry processing technique fields, are related to a kind of method producing unpolished rice as raw material using brown rice.
Background technology
Polished rice eliminates the pericarp of brown rice, kind skin, aleurone, plumule etc., only remaining endosperm fraction, although taking full advantage of The rice nutrition of embryo and in good taste, but there are following points:
1, there are overprocessings for polished rice
According to statistics, about 200,000,000 tons of the rice that the whole nation processes every year, the rice amount for polishing loss is 3,350,000 tons, economy damage Lose is 8,040,000,000 yuan.Polished rice overprocessing also results in that electric energy loss is excessive, and China is used to process the polishing electricity of polished rice every year It is 4,235,740,000 yuan to take loss.
2, nutrition leak is serious
From nutrition angle analysis, the cortex and embryo of rice brown rice contain abundant fat, cellulose, minerals and Wei Sheng The nutritional ingredients such as element.It is exactly brown rice that rice sloughs rice husk by hulling machine, and brown rice structure is by embryo and pericarp, kind skin, aleurone It is formed with endosperm.Paddy contain the rice husk of 18%-20%, 1.2%-1.5% pericarp and kind skin, the aleurone of 4%-6%, The embryo of 2%-3.5% and the endosperm of 66%-70%.In addition to starch, in paddy 60% or more nutrient all concentrate on embryo and In cortex.Many nutrients in rice, as lysine, threonine, vitamin b1, b2, b5, b6 and other minerals and diet are fine Dimension etc. is all needed by human, and has function physiological activity, is easy to absorb after eating.If edible through excessive polishing daily Rice, easily cause b family vitamins shortage, be susceptible to suffer from the illnesss such as athlete's foot, neuritis, cheilitis, keratitis, constipation.Even lack The nutrients such as potassium, iron, calcium.
China's Resources Consumption of Grain Production is limited, especially eating rice production resource wretched insufficiency.Brown rice has very high nutriture value Value and healthcare function, other than vitamin, micronutrient levels are higher than rice, the content of iron is even more to be far above other metric systems Product;Importantly, brown rice can improve rice milling yield, the indirect volume increase of rice is realized.But for a long time, brown rice but fails It is edible as staple food of rice.Main cause is:Processing method is too simple, and only rice husk is peeled off, and brown rice epidermis has one layer Cuticula is not easy into water, even if impregnating several hours, it is also difficult to and it is well-done, and be difficult to digest after eating, it is easy to cause stomach Hyper acid, leads to stomach trouble.Traditional brown rice difficulty boils the indigestibility that tastes bad, and mouthfeel is excessively coarse, can not be used as staple food rice.
Invention content
For the technical problems in the prior art, the object of the present invention is to provide a kind of processing sides of unpolished rice Method, this method solve the problems, such as raw rice process, removal rice husk, pericarp, member-retaining portion kind skin, aleurone, plumule, Endosperm improves the rice milling yield of paddy, realizes in good taste, the nutrient laden of rice, while being easy to cook.
To achieve the above object, the present invention is achieved by the following technical solutions:
A method of unpolished rice being produced by raw material of brown rice, the method includes following processing steps:
1) raw material preparation:Brown rice to contain water quality point number≤15.5%, complete rate≤98% for retaining embryo is that processing is former Material;
2) stone and magnetic separation are removed:Brown rice in step 1) is passed sequentially through into stone remover, magnetic separator, to gravel particle and gold Belong to impurity to be purged;
3) husk rice:Using the brown rice of step 2) as raw material, pearling processing is carried out using abrasive band rice mill, brown rice is once ground Only remove cuticula post-processing into unpolished rice;The abrasive band be 60~100 mesh abrasive bands, the abrasive band rice mill linear velocity be 2.78~ 7.9 meter per seconds, husk rice Wen Sheng≤5 DEG C;
4) it is classified:Classification processing carried out to the grain of rice after pearling, removal mix it is therein crack rice, retain the complete grain of rice;
5) color sorting:By the complete grain of rice retained in step 4) by color selector color sorting, removes heterochromatic grain and the white belly grain of rice obtains To finished product unpolished rice;
6) it packs:Finished product unpolished rice after color sorting is dispensed into inner wrapping, vacuumizes storage storage.
Further, abrasive band is 60~80 mesh abrasive bands, the abrasive band rice mill linear velocity 2.78~7.5 in the step 3) Meter per second, husk rice Wen Sheng≤5 DEG C.
Further, in the step 3) abrasive band be 80 mesh abrasive bands, 3.7~5.5 meters of the abrasive band rice mill linear velocity/ Second, husk rice Wen Sheng≤5 DEG C.
Further, it is 1%~99% that unpolished rice grain, which stays the ratio of skin, in the step 3).
Further, percentage of damage≤5% in the step 3).
Further, it is in white rice grader, cylinder separator or length grading machine for the equipment of classification in step 4) It is any.
Beneficial effects of the present invention:
(1) unpolished rice production method of the invention only removes the angle on brown rice surface by optimal control abrasive band husk rice processing technology Matter layer, member-retaining portion kind skin, aleurone, plumule, endosperm, thus remain more large content of nutrition;Percentage of damage is low, simultaneously Significantly improve the rice milling yield of paddy.
(2) unpolished rice production method of the invention removes the cuticula on brown rice surface, and water can be entered in rice quickly, easily boils Rice that is rotten, making consumer be worked it out using Domestic Electric Cooker, mouthfeel and digestion time may be used as leading close to pure white rice It is edible to eat rice.
(3) since the processing method of the present invention is remarkably improved rice milling yield, thus its production cost is relatively low, market sale Price also can be reduced suitably, to allow more consumers afford to eat this Nutritive Rice.
Specific implementation mode
It shows that example illustrates certain embodiments of the present invention, and should not be construed as the model of the limitation present invention It encloses.Present disclosure can be improved from material, method and reaction condition simultaneously, all these improvement should all It falls within the spirit and scope of the present invention.
Embodiment 1:
The present embodiment directly produces unpolished rice by raw material of brown rice, and the method includes following processing steps:
1) raw material preparation:Directly purchase and select water content be 10~11.5%, retain embryo complete Shuai≤ 98% brown rice is raw material.
2) stone and magnetic separation are removed:Brown rice in step 1) is passed sequentially through into stone remover, magnetic separator, to gravel particle and gold Belong to impurity to be purged.
3) husk rice:Using the brown rice of step 2) as raw material, abrasive band is used to carry out pearling processing for the abrasive band rice mill of 60 mesh, it will Once grinding only removes cuticula post-processing into unpolished rice, member-retaining portion kind skin, aleurone, plumule, endosperm to brown rice;Sand in the step 3.7 meter per second of band rice mill linear velocity, husk rice Wen Sheng≤5 DEG C;Make the ratio that skin is stayed by the unpolished rice grain that the husk rice step obtains It is 3%, percentage of damage≤5% of unpolished rice.
4) it is classified:The grain of rice after pearling is classified with cylinder separator, removal mix it is therein crack rice, retain complete The grain of rice.
5) color sorting:By the complete grain of rice retained in step 4) by color selector color sorting, removes heterochromatic grain and the white belly grain of rice obtains To finished product unpolished rice.
6) it packs:Finished product unpolished rice after color sorting is dispensed into inner wrapping, vacuumizes storage storage.
Embodiment 2:
Embodiment directly produces unpolished rice by raw material of brown rice, and the method includes following processing steps:
1) raw material preparation:It directly purchases and selects water content and be 12-13.5%, retain complete Shuai≤98% of embryo Brown rice be raw material.
2) stone and magnetic separation are removed:Brown rice in step 1) is passed sequentially through into stone remover, magnetic separator, to gravel particle and gold Belong to impurity to be purged.
3) husk rice:Using the brown rice of step 2) as raw material, abrasive band is used to carry out pearling processing for the abrasive band rice mill of 80 mesh, it will Once grinding only removes cuticula post-processing into unpolished rice, member-retaining portion kind skin, aleurone, plumule, endosperm to brown rice;Sand in the step 5 meter per second of band rice mill linear velocity, husk rice Wen Sheng≤5 DEG C;Make to stay the ratio of skin to be by the unpolished rice grain that the husk rice step obtains 15%, percentage of damage≤5% of unpolished rice.
4) it is classified:The grain of rice after pearling is classified with length grading machine, removal mix it is therein crack rice, retain complete The grain of rice.
5) color sorting:By the complete grain of rice retained in step 4) by color selector color sorting, removes heterochromatic grain and the white belly grain of rice obtains To finished product unpolished rice.
6) it packs:Finished product unpolished rice after color sorting is dispensed into inner wrapping, vacuumizes storage storage.
Embodiment 3:
Embodiment directly produces unpolished rice by raw material of brown rice, and the method includes following processing steps:
1) raw material preparation:It directly purchases and selects water content and be 14-15.5%, retain complete Shuai≤98% of embryo Brown rice be raw material.
2) stone and magnetic separation are removed:Brown rice in step 1) is passed sequentially through into stone remover, magnetic separator, to gravel particle and gold Belong to impurity to be purged.
3) husk rice:Using the unpolished rice of step 2) as raw material, abrasive band is used to carry out pearling processing for the abrasive band rice mill of 100 mesh, Brown rice is once ground and only removes cuticula post-processing into unpolished rice, member-retaining portion kind skin, aleurone, plumule, endosperm;In the step 5.5 meter per second of abrasive band rice mill linear velocity, husk rice Wen Sheng≤5 DEG C;Make the ratio that skin is stayed by the unpolished rice grain that the husk rice step obtains Example is 25%, percentage of damage≤5% of unpolished rice.
4) it is classified:The grain of rice after pearling is classified with length grading machine, removal mix it is therein crack rice, retain complete The grain of rice.
5) color sorting:By the complete grain of rice retained in step 4) by color selector color sorting, removes heterochromatic grain and the white belly grain of rice obtains To finished product unpolished rice.
6) it packs:Finished product unpolished rice after color sorting is dispensed into inner wrapping, vacuumizes storage storage.
Embodiment 4:
To embodiment 1-3 processing and fabricatings come out unpolished rice and the nutrient in other edible rice is detected in the market, Its result is as follows:
1 nutritional ingredient contrast table of table
The name of an article Embodiment 1 Embodiment 2 Embodiment 3 Purple clothing unpolished rice Rice with remained germ Refined rice
Project Every 100 grams Every 100 grams Every 100 grams Every 100 grams Every 100 grams Every 100 grams
Energy 1413 kilojoules 1411 kilojoules 1389 kilojoules 1411 kilojoules 1442 kilojoules 1496 kilojoules
Protein 6.8 gram 6.95 gram 7.24 gram 7.0 gram 6.1 gram 6.9 gram
Fat 1.2 gram 1.31 gram 1.09 gram 1.0 gram 2.7 gram 1.1 gram
Carbohydrate 72.5 grams 70.2 grams 74.6 grams 68.7 grams 78.0 grams 78.7 grams
Dietary fiber 2.5 gram 5.2 gram 4.6 gram 10.8 grams 2.0 gram 0 gram
Sodium 0 milligram 0 milligram 0 milligram 0 milligram 0 milligram 0 milligram
Vitamin B1 0.22 milligram 0.31 0.36 milligram 0.08 milligram 0.15 milligram 0.53 milligram
Vitamin B2 0 milligram 0.02 milligram 0 milligram 0.06 milligram 0.02 milligram /
Vitamin B6 0.09 milligram 0.11 milligram 0.09 milligram 1.05 milligram 0.46 milligram 0.11 milligram
Niacin 1.36 milligram 1.45 milligram 1.50 milligram 0.48 milligram / 0.41 milligram
Pantothenic acid 0.82 milligram 0.88 milligram 0.85 milligram 0.80 milligram / 0.40 milligram
Potassium 177 milligrams 189 milligrams 196 milligrams 219 milligrams 84 milligrams 79 milligrams
Magnesium 76 milligrams 79 milligrams 80.3 milligrams 49 milligrams 38 milligrams 14 milligrams
Calcium 0 milligram 0 milligram 0 milligram 0 milligram 8.15 milligram /
Iron 1.6 milligram 1.69 milligram 1.73 milligram 0 milligram 0.8 milligram 0 milligram
Zinc 1.87 milligram 1.91 milligram 1.89 milligram 1.65 milligram 1.60 milligram 1.63 milligram
Manganese 2.13 milligram 2.25 milligram 2.31 milligram 1.99 milligram 1.78 milligram 0.86 milligram
As can be seen from Table 1, in the unpolished rice that processing method using the present invention is obtained, niacin, pantothenic acid, magnesium, iron, For the nutritions such as zinc, manganese higher than other edible rice on field, nutritional ingredient is more rich.
Embodiment 5:
Using embodiment 1-3 processing and fabricatings come out unpolished rice and other edible meter Jin Hang cook congee and cook in the market, observe Cooking time, gruel effect and at meal effect, wherein the pressure cooker cooked congee is your luxurious auto-electric cooker using pottery of Soviet Union's pool CFXB30YB8-50, nominal volume 3L, the pressure cooker cooked are Soviet Union pool that IH electromagnetic rice cooker CFXB40HC3-120, Its nominal volume is 4L.Gruel Contrast on effect is as shown in table 2, as shown in table 3 at meal Contrast on effect.
2 gruel Contrast on effect of table
Cuticula of the unpolished rice because removing brown rice surface of the method processing of the present invention it can be seen from 2 data of table, allows water energy Enter in rice quickly, is more easy to well-done than easily boiling fragrant brown rice, time short effect is good;The Nutritive Rice series infusion time generally compares highed milled rice It is long, result from the reservation of rice cortex nutrition;The complete black scented rice of brown rice is most difficult to boil, time longest, and the congee cooked has very much Chewy texture youngster.
Table 3 is at meal Contrast on effect
The unpolished rice moisture of the method processing of the present invention is larger it can be seen from 3 data of table, and meter Shui is smaller than appropriate;It stays The more purple clothing unpolished rice of skin, meter Shui are larger than appropriate;It is best at meal effect rice with remained germ, it is nutritious and have chewy texture youngster.
Therefore, the unpolished rice of processing method of the invention production, had not only solved the problems, such as refined rice nutrition leak, but also solve rough Rice difficulty boils heavy problem of tasting bad.Meanwhile this method significantly improves rice milling yield, can reduce cost, makes its market sale Price control allows more consumers afford to eat this Nutritive Rice in the level as THAI Fragrant rice sale price.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should all cover in protection scope of the present invention.

Claims (6)

1. a kind of method producing unpolished rice as raw material using brown rice, which is characterized in that the method includes following processing steps:
1) raw material preparation:Brown rice to contain water quality point number≤15.5%, complete rate≤98% for retaining embryo is to process raw material;
2) stone and magnetic separation are removed:Brown rice in step 1) is passed sequentially through into stone remover, magnetic separator, to miscellaneous to gravel particle and metal Matter is purged;
3) husk rice:Using the brown rice of step 2) as raw material, pearling processing is carried out using abrasive band rice mill, brown rice is once ground and is only gone Fall cuticula post-processing into unpolished rice;The abrasive band is 60~100 mesh abrasive bands, and the abrasive band rice mill linear velocity is 2.78~7.9 Meter per second, husk rice Wen Sheng≤5 DEG C;
4) it is classified:Classification processing carried out to the grain of rice after pearling, removal mix it is therein crack rice, retain the complete grain of rice;
5) color sorting:By the complete grain of rice retained in step 4) by color selector color sorting, removes heterochromatic grain and the white belly grain of rice is obtained into Savor unpolished rice;
6) it packs:Finished product unpolished rice after color sorting is dispensed into inner wrapping, vacuumizes storage storage.
2. a kind of method producing unpolished rice as raw material using brown rice according to claim 1, which is characterized in that the step 3) Middle abrasive band is 60~80 mesh abrasive bands, 2.78~7.5 meter per second of abrasive band rice mill linear velocity, husk rice Wen Sheng≤5 DEG C.
3. a kind of method producing unpolished rice as raw material using brown rice according to claim 2, which is characterized in that the step 3) Middle abrasive band is 80 mesh abrasive bands, 3.7~5.5 meter per second of abrasive band rice mill linear velocity, husk rice Wen Sheng≤5 DEG C.
4. a kind of method producing unpolished rice as raw material using brown rice according to claim 1, which is characterized in that the step 3) It is 1%~99% that middle unpolished rice grain, which stays the ratio of skin,.
5. a kind of method producing unpolished rice as raw material using brown rice according to claim 1, which is characterized in that the step 3) Middle percentage of damage≤5%.
6. a kind of method producing unpolished rice as raw material using brown rice according to claim 1, which is characterized in that used in step 4) In the equipment of classification be any one of white rice grader, cylinder separator or length grading machine.
CN201810713965.3A 2018-06-29 2018-06-29 A method of producing unpolished rice by raw material of brown rice Pending CN108722533A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111589495A (en) * 2020-05-28 2020-08-28 福建浦之玉米业有限公司 Processing technology of germ-remaining rice

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3838425B2 (en) * 2002-03-14 2006-10-25 株式会社サタケ Germinated germ rice production equipment
CN1994569A (en) * 2006-01-06 2007-07-11 苏州科谷米业有限公司 Edible unpolished rice processing method
CN102120188A (en) * 2010-01-07 2011-07-13 李茜 Rice germ process
CN103223363A (en) * 2012-10-10 2013-07-31 赤壁市源盛农产品有限公司 Method for processing milled rice with embryos and equipment thereof
CN105817282A (en) * 2015-01-09 2016-08-03 陈文彬 Fine brown rice and processing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3838425B2 (en) * 2002-03-14 2006-10-25 株式会社サタケ Germinated germ rice production equipment
CN1994569A (en) * 2006-01-06 2007-07-11 苏州科谷米业有限公司 Edible unpolished rice processing method
CN102120188A (en) * 2010-01-07 2011-07-13 李茜 Rice germ process
CN103223363A (en) * 2012-10-10 2013-07-31 赤壁市源盛农产品有限公司 Method for processing milled rice with embryos and equipment thereof
CN105817282A (en) * 2015-01-09 2016-08-03 陈文彬 Fine brown rice and processing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111589495A (en) * 2020-05-28 2020-08-28 福建浦之玉米业有限公司 Processing technology of germ-remaining rice

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Application publication date: 20181102