CN110180618A - A kind of processing method refining rice - Google Patents
A kind of processing method refining rice Download PDFInfo
- Publication number
- CN110180618A CN110180618A CN201810154129.6A CN201810154129A CN110180618A CN 110180618 A CN110180618 A CN 110180618A CN 201810154129 A CN201810154129 A CN 201810154129A CN 110180618 A CN110180618 A CN 110180618A
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- CN
- China
- Prior art keywords
- rice
- paddy
- grain
- processing method
- processing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B1/00—Preparing grain for milling or like processes
- B02B1/04—Wet treatment, e.g. washing, wetting, softening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B5/00—Grain treatment not otherwise provided for
- B02B5/02—Combined processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B7/00—Auxiliary devices
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- Cereal-Derived Products (AREA)
Abstract
The present invention relates to a kind of processing methods for refining rice, comprising: the rough separation of paddy screening-decontamination-allotment solution-immersion-drying-paddy decladding-paddy-thickness classification-just grinding-rolls processing-cool rice-and is classified and selects color-polishing-sterilization packaging.The paddy after decontamination is put by one aspect of the present invention through the above steps impregnated in buck after, the loss of rice nutrition ingredient caused by ensure that because of finishing, another invention is by the way of alkaline soak, it ensure that the rice glossiness after finishing, and it can reach elegant and polished, glittering and translucent sensory effects, simultaneously, the present invention is by husk rice in conjunction with ultraviolet irradiation, cal rolling is combined to the degradation speed and degree that can effectively improve pesticide with chemical action, other harmful components are not introduced in ultraviolet irradiation simultaneously, making treated, rice edible safety is good.
Description
Technical field
The invention belongs to rice processing technique fields, and in particular to a kind of processing method for refining rice.
Background technique
Paddy is the first generalized grain kind in China, and Chinese, can quilt because its palatable, long food is not minded using rice as staple food
Almost absolutely people receives, and rice made products has the characteristics that unique fragrance flavor and easy to digest, thus rice and
Its product has widest consumer objects, huge development potentiality and wide market, and very big society is researched and developed to it
It can benefit and economic benefit.Its processing method is continued to develop with the raising of living standards of the people.
And claim according to United States Department of Agriculture's research report, 64% nutrient of rice is accumulated in meter embryo and cortex.Scientist's application is existing
It is learnt after carrying out food analysis to rice each section for detection technique, the bioactive ingredients almost all that rice has is gathered in
In rice embryo and cortex.Know that it is up to as many as tens of kinds containing bioactive ingredients, and has also constantly discovered new bioactivity
Ingredient.
Brown rice peels cortex and rice embryo off through pearling.Refined edible rice improves, depth of milling in particular with machining accuracy
Spend depth and aleurone and sub- aleurone, even up to perisperm and albuminous cell tissue.Its ideal nutrient composition is mainly starch,
Secondary is mass percent less than 7% protein, has been minute quantity as vitamin, mineral element, fat, dietary fiber etc..
Rice processing accuracy and nutrient content are in negative relationship.Rice processing accuracy is higher, and Liu Piliu embryo is fewer, nutrient
Loss is bigger, has various bioactive ingredients in brown rice and almost loses totally during fine and clean rice pearling.
Summary of the invention
The technical problem to be solved by the present invention is to propose that a kind of purification is big for the above disadvantage of the existing technology
The processing method of rice.
The technical scheme adopted by the invention is that: a kind of processing method refining rice includes the following steps:
Step 1: paddy screening
Using roller receiving sieve and vibrating screen, weeds in paddy, branches and leaves are removed；
Step 2: decontamination
It is spare using the impurity in impurity removing machine removal paddy；
Step 3: allotment solution
By weight proportion be 85% water and 10% dietary alkali allotment uniformly after, burn to 80-95 DEG C it is spare；
Step 4: it impregnates
Deimpurity paddy will be gone to be put into step 3 acquired solution obtained by step 2, keeps in 80-95 DEG C of solution, impregnate 30 points
Clock；
Step 5: drying
It is 30% that paddy after impregnating 30 minutes, which is put into drying chamber, and is dried to water content；
Step 6: paddy decladding
Decladding processing is carried out to paddy obtained by step 5 using hulling machine, hulling machine gap is 2mm, and husking yield is greater than 85%；
Step 7: the rough separation of paddy
Brown rice and unhulled paddy are separated using grain separating machine；
Step 8: thickness classification
Smaller grain and broken grain are removed with thickness grading machine；
Step 9: it just grinds
Grain obtained by step 8 just grind using abrasive type rice whitening machine；
Step 10: processing is rolled
Then with iron roll to above-mentioned steps nine grain carry out rolling processing；
Step 11: cool rice
Above-mentioned gained is opened rough and pearling rice to be put into cool rice barn standing 24 hours；
Step 12: being classified and selects color
It will be put into obtained by above-mentioned steps and be classified in rice seperator and select color；
Step 13: polishing
Grain is polished using polishing machine；
Step 14: sterilization packaging
It will be packed after the grain of polishing carries out sterilization treatment.
In the present invention: the temperature in the first rolling ring border of grain is 30 DEG C~38 DEG C in the step 9.
In the present invention: ultraviolet light is carried out to rice simultaneously during rolling processing in the step ten,
The wavelength of the ultraviolet light is 350-400nm.
In the present invention: temperature when grain is packaged in the step 14 is at 20 DEG C or less.
In the present invention: grain packaging is using vacuum packaging in the step 14.
In the present invention: it further include spraying hydrogen peroxide on rice before ultraviolet light in the step ten, it is described
The concentration 2%-5% of hydrogen peroxide.
After adopting the above technical scheme, the invention has the benefit that
1, after the paddy after decontamination is put into and is impregnated in buck by the present invention, caused by ensure that because of finishing rice nutrition at
The loss divided；
2, the present invention is due to by the way of alkaline soak, ensure that the rice glossiness after finishing, and can reach
To elegant and polished, glittering and translucent sensory effects；
3, by husk rice in conjunction with ultraviolet irradiation, i.e., combine cal rolling with chemical action effectively to mention the present invention
The degradation speed and degree of high pesticide, while not introducing other harmful components in ultraviolet irradiation, the edible peace of rice that makes that treated
Good perfection；
4, present invention adds hydrogen peroxide, but the effect of hydrogen peroxide is mainly the effect of auxiliary UV irradiation herein, generates strong oxygen
The hydroxyl radical free radical of change effect reinforces degradation of pesticide effect, and the addition concentration of itself is small, to the non-hazardous effect of human body.
Specific embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
A kind of processing method refining rice, includes the following steps:
Step 1: paddy screening
Using roller receiving sieve and vibrating screen, weeds in paddy, branches and leaves are removed；
Step 2: decontamination
It is spare using the impurity in impurity removing machine removal paddy；
Step 3: allotment solution
By weight proportion be 85% water and 10% dietary alkali allotment uniformly after, burn to 85 DEG C it is spare；
Step 4: it impregnates
Deimpurity paddy will be gone to be put into step 3 acquired solution obtained by step 2, keeps in 85 DEG C of solution, impregnate 30 minutes；
Step 5: drying
It is 30% that paddy after impregnating 30 minutes, which is put into drying chamber, and is dried to water content；
Step 6: paddy decladding
Decladding processing, hulling machine gap 2mm are carried out to paddy obtained by step 5 using hulling machine, husking yield is greater than 85%；
Step 7: the rough separation of paddy
Brown rice and unhulled paddy are separated using grain separating machine；
Step 8: thickness classification
Smaller grain and broken grain are removed with thickness grading machine；
Step 9: it just grinds
Grain obtained by step 8 just grind using abrasive type rice whitening machine, the temperature in the first rolling ring border of the grain is 35 DEG C；
Step 10: processing is rolled
Then with iron roll to above-mentioned steps nine grain carry out rolling processing, roll processing during simultaneously to rice
Ultraviolet light is carried out, the wavelength of the ultraviolet light is 350-400nm；It further include further before ultraviolet light to rice
Upper sprinkling hydrogen peroxide, the concentration 3% of the hydrogen peroxide；
Step 11: cool rice
Above-mentioned gained is opened rough and pearling rice to be put into cool rice barn standing 24 hours；
Step 12: being classified and selects color
It will be put into obtained by above-mentioned steps and be classified in rice seperator and select color；
Step 13: polishing
Grain is polished using polishing machine；
Step 14: sterilization packaging
It will be packed after the grain of polishing carries out sterilization treatment, temperature when grain is packaged is at 20 DEG C hereinafter, adopting
With vacuum packaging.
For a person skilled in the art, the equal modification of any pair of the technical program and substitution are all in the present invention
Range among.Therefore, made equal transformation and modification without departing from the spirit and scope of the invention, should all cover at this
The range of invention.
Claims (6)
1. a kind of processing method for refining rice, characterized by the following steps:
Step 1: paddy screening
Using roller receiving sieve and vibrating screen, weeds in paddy, branches and leaves are removed；
Step 2: decontamination
It is spare using the impurity in impurity removing machine removal paddy；
Step 3: allotment solution
By weight proportion be 85% water and 10% dietary alkali allotment uniformly after, burn to 80-95 DEG C it is spare；
Step 4: it impregnates
Deimpurity paddy will be gone to be put into step 3 acquired solution obtained by step 2, keeps in 80-95 DEG C of solution, impregnate 30 points
Clock；
Step 5: drying
It is 30% that paddy after impregnating 30 minutes, which is put into drying chamber, and is dried to water content；
Step 6: paddy decladding
Decladding processing is carried out to paddy obtained by step 5 using hulling machine, hulling machine gap is 2mm, and husking yield is greater than 85%；
Step 7: the rough separation of paddy
Brown rice and unhulled paddy are separated using grain separating machine；
Step 8: thickness classification
Smaller grain and broken grain are removed with thickness grading machine；
Step 9: it just grinds
Grain obtained by step 8 just grind using abrasive type rice whitening machine；
Step 10: processing is rolled
Then with iron roll to above-mentioned steps nine grain carry out rolling processing；
Step 11: cool rice
Above-mentioned gained is opened rough and pearling rice to be put into cool rice barn standing 24 hours；
Step 12: being classified and selects color
It will be put into obtained by above-mentioned steps and be classified in rice seperator and select color；
Step 13: polishing
Grain is polished using polishing machine；
Step 14: sterilization packaging
It will be packed after the grain of polishing carries out sterilization treatment.
2. a kind of processing method for refining rice according to claim 1, it is characterised in that: grain in the step 9
First rolling ring border temperature be 30 DEG C~38 DEG C.
3. a kind of processing method for refining rice according to claim 1, it is characterised in that: ground in the step ten
Ultraviolet light is carried out to rice simultaneously during pressure processing, the wavelength of the ultraviolet light is 350-400nm.
4. a kind of processing method for refining rice according to claim 1, it is characterised in that: grain in the step 14
Temperature when being packaged is at 20 DEG C or less.
5. a kind of processing method for refining rice according to claim 1, it is characterised in that: grain in the step 14
Packaging is using vacuum packaging.
6. a kind of processing method for refining rice according to claim 3, it is characterised in that: also wrapped in the step ten
It includes and sprays hydrogen peroxide on rice before ultraviolet light, the concentration 2%-5% of the hydrogen peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154129.6A CN110180618A (en) | 2018-02-22 | 2018-02-22 | A kind of processing method refining rice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810154129.6A CN110180618A (en) | 2018-02-22 | 2018-02-22 | A kind of processing method refining rice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110180618A true CN110180618A (en) | 2019-08-30 |
Family
ID=67713444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810154129.6A Pending CN110180618A (en) | 2018-02-22 | 2018-02-22 | A kind of processing method refining rice |
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| Country | Link |
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| CN (1) | CN110180618A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691508A (en) * | 2013-12-12 | 2014-04-02 | 聂俊 | Rice machining process |
| CN104624282A (en) * | 2015-01-20 | 2015-05-20 | 贵州黔北粮仓米业有限公司 | Processing method for nutritional rice |
| CN104668021A (en) * | 2015-03-10 | 2015-06-03 | 安徽天利粮油集团股份有限公司 | Rice screening method |
| CN104668020A (en) * | 2015-03-10 | 2015-06-03 | 安徽天利粮油集团股份有限公司 | Rice processing method |
| CN105536916A (en) * | 2016-02-24 | 2016-05-04 | 连城县永进米业有限公司 | Fine processing technology of rice |
| CN105618175A (en) * | 2016-02-25 | 2016-06-01 | 中粮（成都）粮油工业有限公司 | Rice processing method for efficiently removing residual pesticide |
| CN105728086A (en) * | 2016-02-25 | 2016-07-06 | 中粮（成都）粮油工业有限公司 | Rice processing method |
-
2018
- 2018-02-22 CN CN201810154129.6A patent/CN110180618A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691508A (en) * | 2013-12-12 | 2014-04-02 | 聂俊 | Rice machining process |
| CN104624282A (en) * | 2015-01-20 | 2015-05-20 | 贵州黔北粮仓米业有限公司 | Processing method for nutritional rice |
| CN104668021A (en) * | 2015-03-10 | 2015-06-03 | 安徽天利粮油集团股份有限公司 | Rice screening method |
| CN104668020A (en) * | 2015-03-10 | 2015-06-03 | 安徽天利粮油集团股份有限公司 | Rice processing method |
| CN105536916A (en) * | 2016-02-24 | 2016-05-04 | 连城县永进米业有限公司 | Fine processing technology of rice |
| CN105618175A (en) * | 2016-02-25 | 2016-06-01 | 中粮（成都）粮油工业有限公司 | Rice processing method for efficiently removing residual pesticide |
| CN105728086A (en) * | 2016-02-25 | 2016-07-06 | 中粮（成都）粮油工业有限公司 | Rice processing method |
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| PB01 | Publication | ||
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Application publication date: 20190830 |