CN108902654A - A kind of processing technology of preboiled rice - Google Patents
A kind of processing technology of preboiled rice Download PDFInfo
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- CN108902654A CN108902654A CN201810668942.5A CN201810668942A CN108902654A CN 108902654 A CN108902654 A CN 108902654A CN 201810668942 A CN201810668942 A CN 201810668942A CN 108902654 A CN108902654 A CN 108902654A
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- rice
- paddy
- preboiled
- boiling
- grain
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/197—Treatment of whole grains not provided for in groups A23L7/117 - A23L7/196
- A23L7/1975—Cooking or roasting
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, 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
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
- A23L5/13—General methods of cooking foods, e.g. by roasting or frying using water or steam
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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)
- Adjustment And Processing Of Grains (AREA)
Abstract
The invention discloses a kind of processing technologys of preboiled rice, and specific step is as follows：Cleaning rice；It impregnates：By water temperature heating to 40 DEG C -50 DEG C, it is pressurized to 0.4MPa, the paddy after cleaning is added impregnates 40 minutes, and by lower water temperature to 30 DEG C -40 DEG C, pressure is adjusted to 0.15-4MPa, until paddy water absorption rate reaches 36%-38%；Boiling；It is dried；Husking, husk rice；Polishing；Color sorting：A small amount of black grain rice, blackhead rice and the yellow rice kernel mixed in rice finished product is rejected, i.e. processing obtains finished product preboiled rice.The present invention has many advantages, such as that simple process, processing quality are good.
Description
Technical field
The present invention relates to preboiled rice processing technique field, a kind of specifically processing technology of preboiled rice.
Background technique
Preboiled rice is also known as half-mature rice, be using China's long-grained nonglutinous rice as raw material, through hydro-thermal process such as cleaning, immersion, boiling, dryings,
It shells according to a conventional method again, pure natural, auxotype rice made of husk rice.Nuisanceless, green, organic paddy is generally used, really
The unfavorable ingredients such as the residual, heavy metal of agriculture are protected not to be immersed.Preboiled rice is not also well-known in China, but on America and Europe, the Middle East and other places
Area is in great demand very much, and famous with healthy rice, green food in foreign countries, preboiled rice selling price in international market is usually higher than the rice of same specification
L0%-5% out, remarkable benefit.
About the origin of Chinese preboiled rice, most sayings is quoted at present, is referred to originating from B.C. more than 400 years spring and autumn
Epoch in period Wu Yue, the saying spread far and wide in TAI HU AREA.According to《Hangzhou Chinese system of weights》" local conditions and customs " piece note:Wu Yue disaccords
When, breeding is offered or present by Wu Guoyao Yue State, and Yue State's minister's language is offered advice, and gives Wu state after seed is cooked again.As a result Wu state ethnic group,
All length is not emerged, and causes year of great scarcity, popular feelings havoc, and Yue State seizes the opportunity Wu of going out.Remaining parboiled rice husk rice is done the cooking in Yue State's subjects' great rejoicing
It is celebrated with table, then follows the edible custom of lower preboiled rice.According to《Chinese agriculture History of Science & Technology》It records, Chinese preboiled rice processing technology
Appear in the Song Dynasty earliest.1101 Christian eras Sichuan is Chinese preboiled rice processing using the Rice producing method of " first steam and then fry "
The rudiment of technology.And all once there was preboiled rice processing on the ground such as Jiangsu and Zhejiang Provinces, Fujian, Jiangxi in history.
Currently, the production technology of existing preboiled rice is still more complicated, production equipment investment is big, and yield efficiency with
And the quality of production of preboiled rice is relatively low, needs effectively to be improved.
Summary of the invention
The purpose of the present invention is to solve complex process in the prior art, processing efficiency is low and the quality of production not
High defect provides a kind of processing technology of preboiled rice to solve the above problems.
To achieve the goals above, technical scheme is as follows：The invention discloses a kind of processing works of preboiled rice
Skill, specific step is as follows：
(1), cleaning rice：
It cleans to raw grain paddy, weeds, stone grain, grogs in removing raw grain paddy, and remove in raw grain paddy
Imperfect grain；
(2), it impregnates：
By water temperature heating to 40 DEG C -50 DEG C, it is pressurized to 0.4MPa, the paddy after cleaning is added impregnates 40 minutes, by water temperature
30 DEG C -40 DEG C are adjusted to, pressure is adjusted to 0.15-4MPa, until paddy water absorption rate reaches 36%-38%；
(3), boiling：
Boiling is carried out to the paddy completed is impregnated；
(4), it is dried：
It is 16%~18% that the paddy that boiling is completed, which is sent into heat drying to water content in drying machine, is subsequently cooled to room
Temperature；
(5), husking, husk rice：
It is shelled using hulling machine, after shelling, through the rough separation of paddy, the parboiled rice brown rice being prepared is sent into rice mill pearling；
(6), it polishes：
Preboiled rice is processed by shot blasting using polishing machine；
(7), color sorting：
A small amount of black grain rice, blackhead rice and the yellow rice kernel mixed in rice finished product is rejected, i.e. processing obtains finished product preboiled rice.
Preferably, the temperature of boiling is 115-125 DEG C in the step (3).
Preferably, the process that the preboiled rice after the completion of drying is cooled to room temperature is natural cooling in the step (4)
Mode.
Preferably, the rice mill uses jet-air rice polisher in the step (5).
The present invention has the following advantages that compared with prior art：
(1), the processing technology of preboiled rice is fairly simple, and efficiency greatly improves, and processing cost substantially reduces；
(2), the processing quality of preboiled rice, processing effect greatly improve.
Detailed description of the invention
Fig. 1 is a kind of process flow chart of the processing technology of preboiled rice of the present invention.
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable
Examples and drawings cooperation detailed description, is described as follows：
Referring to Fig.1, the invention discloses a kind of processing technology of preboiled rice, specific step is as follows：
(1), cleaning rice：
It cleans to raw grain paddy, weeds, stone grain, grogs in removing raw grain paddy, and remove in raw grain paddy
Imperfect grain, which thereby enhance the processing effect and quality of preboiled rice；
(2), it impregnates：
By water temperature heating to 40 DEG C -50 DEG C, it is pressurized to 0.4MPa, the paddy after cleaning is added impregnates 40 minutes, by water temperature
30 DEG C -40 DEG C are adjusted to, pressure is adjusted to 0.15-4MPa, until paddy water absorption rate reaches 36%-38%, is conducive in this way
Preboiled rice has excellent gelatinization rate in cooking process, and guarantees that the preboiled rice color produced is shallower, the shallower steaming of color
Paddy rice can more cater to consumer demand hobby, and quality also greatly improves；
(3), boiling：
Boiling is carried out to the paddy completed is impregnated；
(4), it is dried：
It is 16%~18% that the paddy that boiling is completed, which is sent into heat drying to water content in drying machine, is subsequently cooled to room
Temperature；
(5), husking, husk rice：
It is shelled using hulling machine, after shelling, through the rough separation of paddy, the parboiled rice brown rice being prepared is sent into rice mill pearling；
(6), it polishes：
Preboiled rice is processed by shot blasting using polishing machine；
The Mill technique of preboiled rice is compared with the difficulty of general rice, and the grain of rice after husk rice is with chaff powder, the meeting in storage
So that the transparent grain of rice is become milky, influence product quality, therefore, to be also processed by shot blasting after husk rice, make preboiled rice surface
It is glittering and translucent, improve its processing quality and storage property；
(7), color sorting
A small amount of black grain rice, blackhead rice and the yellow rice kernel mixed in rice finished product is rejected, i.e. processing obtains finished product preboiled rice.
Preferably, the temperature of boiling is 115-125 DEG C in the step (3).
Preferably, the process that the preboiled rice after the completion of drying is cooled to room temperature is natural cooling in the step (4)
Mode, in this way, cooling velocity are slower, and the speed of cooling procedure is enable generally mutually to assist with internal moisture diffusion
It adjusts, vaporizes moisture using the thermal energy absorbed as far as possible, to reach the requirement water content (i.e. 14% of storage and processing
Left and right), it why to be because in Grain Drying Process, since the diffusion of internal moisture rises through tempering after a period of time
On the one hand control action, simple strengthening surface gasification are surely effectively accelerated whole since internal moisture diffusion is different
The drying process of a cereal；Another aspect is not in tune due to inside and outside moisture diffusion process, often increases the interior of grain and answers
Power causes quick-fried waist, so, in the drying process, interval tempering is taken, the temperature of grain inside and outside and moisture can be made to tend to be uniform
Change, so that above-mentioned contradiction be made to be mitigated and be coordinated.This has good effect to drying process and guarantee grain quality is improved.
Preferably, the rice mill uses jet-air rice polisher in the step (5), to play cooling and to add
The effect of speed row's chaff, the processing quality of preboiled rice also just further increase.
Embodiment 1
(1), cleaning rice：
It cleans to raw grain paddy, weeds, stone grain, grogs in removing raw grain paddy, and remove in raw grain paddy
Imperfect grain；
(2), it impregnates：
By water temperature heating to 45 DEG C, it is pressurized to 0.4MPa, the paddy after cleaning is added impregnates 40 minutes, by lower water temperature
To 35 DEG C, pressure is adjusted to 3MPa, until paddy water absorption rate reaches 37%；
(3), boiling：
Boiling is carried out to the paddy completed is impregnated；
(4), it is dried：
It is 17% that the paddy that boiling is completed, which is sent into heat drying to water content in drying machine, is then cooled to room temperature；
(5), husking, husk rice：
It is shelled using hulling machine, after shelling, through the rough separation of paddy, the parboiled rice brown rice being prepared is sent into rice mill pearling；
(6), it polishes：
Preboiled rice is processed by shot blasting using polishing machine；
(7), color sorting
A small amount of black grain rice, blackhead rice and the yellow rice kernel mixed in rice finished product is rejected, i.e. processing obtains finished product preboiled rice.
Preferably, the temperature of boiling is 120 DEG C in the step (3).
Preferably, the process that the preboiled rice after the completion of drying is cooled to room temperature is natural cooling in the step (4)
Mode.
Preferably, the rice mill uses jet-air rice polisher in the step (5).
Embodiment 2
(1), cleaning rice：
It cleans to raw grain paddy, weeds, stone grain, grogs in removing raw grain paddy, and remove in raw grain paddy
Imperfect grain；
(2), it impregnates：
By water temperature heating to 40 DEG C, it is pressurized to 0.4MPa, the paddy after cleaning is added impregnates 40 minutes, by lower water temperature
To 30 DEG C, pressure is adjusted to 0.15MPa, until paddy water absorption rate reaches 36%；
(3), boiling：
Boiling is carried out to the paddy completed is impregnated；
(4), it is dried：
It is 16% that the paddy that boiling is completed, which is sent into heat drying to water content in drying machine, is then cooled to room temperature；
(5), husking, husk rice：
It is shelled using hulling machine, after shelling, through the rough separation of paddy, the parboiled rice brown rice being prepared is sent into rice mill pearling；
(6), it polishes：
Preboiled rice is processed by shot blasting using polishing machine；
(7), color sorting
A small amount of black grain rice, blackhead rice and the yellow rice kernel mixed in rice finished product is rejected, i.e. processing obtains finished product preboiled rice.
Preferably, the temperature of boiling is 115 DEG C in the step (3).
Preferably, the process that the preboiled rice after the completion of drying is cooled to room temperature is natural cooling in the step (4)
Mode.
Preferably, the rice mill uses jet-air rice polisher in the step (5).
Embodiment 3
(1), cleaning rice：
It cleans to raw grain paddy, weeds, stone grain, grogs in removing raw grain paddy, and remove in raw grain paddy
Imperfect grain；
(2), it impregnates：
By water temperature heating to 50 DEG C, it is pressurized to 0.4MPa, the paddy after cleaning is added impregnates 40 minutes, by lower water temperature
To 40 DEG C, pressure is adjusted to 4MPa, until paddy water absorption rate reaches 38%；
(3), boiling：
Boiling is carried out to the paddy completed is impregnated；
(4), it is dried：
It is 18% that the paddy that boiling is completed, which is sent into heat drying to water content in drying machine, is then cooled to room temperature；
(5), husking, husk rice：
It is shelled using hulling machine, after shelling, through the rough separation of paddy, the parboiled rice brown rice being prepared is sent into rice mill pearling；
(6), it polishes：
Preboiled rice is processed by shot blasting using polishing machine；
(7), color sorting
A small amount of black grain rice, blackhead rice and the yellow rice kernel mixed in rice finished product is rejected, i.e. processing obtains finished product preboiled rice.
Preferably, the temperature of boiling is 125 DEG C in the step (3).
Preferably, the process that the preboiled rice after the completion of drying is cooled to room temperature is natural cooling in the step (4)
Mode.
Preferably, the rice mill uses jet-air rice polisher in the step (5).
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (4)
1. a kind of processing technology of preboiled rice, it is characterised in that：Specific step is as follows：
(1), cleaning rice：
It cleans to raw grain paddy, weeds, stone grain, grogs in removing raw grain paddy, and remove in raw grain paddy not
Perfect kernel；
(2), it impregnates：
By water temperature heating to 40 DEG C -50 DEG C, it is pressurized to 0.4MPa, the paddy after cleaning is added impregnates 40 minutes, by lower water temperature
To 30 DEG C -40 DEG C, pressure is adjusted to 0.15-4MPa, until paddy water absorption rate reaches 36%-38%；
(3), boiling：
Boiling is carried out to the paddy completed is impregnated；
(4), it is dried：
It is 16%~18% that the paddy that boiling is completed, which is sent into heat drying to water content in drying machine, is then cooled to room temperature；
(5), husking, husk rice：
It is shelled using hulling machine, after shelling, through the rough separation of paddy, the parboiled rice brown rice being prepared is sent into rice mill pearling；
(6), it polishes：
Preboiled rice is processed by shot blasting using polishing machine；
(7), color sorting
A small amount of black grain rice, blackhead rice and the yellow rice kernel mixed in rice finished product is rejected, i.e. processing obtains finished product preboiled rice.
2. a kind of processing technology of preboiled rice according to claim 1, it is characterised in that：In the step (3), boiling
Temperature be 115-125 DEG C.
3. a kind of processing technology of preboiled rice according to claim 1, it is characterised in that：It is dry in the step (4)
The process that preboiled rice after the completion is cooled to room temperature is the natural type of cooling.
4. a kind of processing technology of preboiled rice according to claim 1, it is characterised in that：It is described in the step (5)
Rice mill use jet-air rice polisher.
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| CN201810668942.5A CN108902654A (en) | 2018-06-25 | 2018-06-25 | A kind of processing technology of preboiled rice |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109452551A (en) * | 2018-12-25 | 2019-03-12 | 重庆市万盛区贵先米业有限责任公司 | Exempt to impregnate parboiled rice rice processing method and its equipment |
| CN109730251A (en) * | 2019-03-21 | 2019-05-10 | 安徽农业大学 | A kind of preparation method of preboiled rice |
| CN110801879A (en) * | 2019-09-30 | 2020-02-18 | 凤台县丁集乡考传岑农业机械服务专业合作社 | Rice processing technology |
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| CN105558783A (en) * | 2016-01-21 | 2016-05-11 | 江苏奕帆农业科技股份有限公司 | Production process of parboiled rice |
| CN105725057A (en) * | 2016-02-06 | 2016-07-06 | 国粮武汉科学研究设计院有限公司 | Parboiled rice production and graded soaking method |
| CN106616360A (en) * | 2016-12-08 | 2017-05-10 | 江苏财经职业技术学院 | Novel environmentally-friendly preboiled rice preparation method |
| CN107637769A (en) * | 2017-09-20 | 2018-01-30 | 安徽省徽观生态农业科技有限公司 | A kind of processing method of preboiled rice |
-
2018
- 2018-06-25 CN CN201810668942.5A patent/CN108902654A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105558783A (en) * | 2016-01-21 | 2016-05-11 | 江苏奕帆农业科技股份有限公司 | Production process of parboiled rice |
| CN105725057A (en) * | 2016-02-06 | 2016-07-06 | 国粮武汉科学研究设计院有限公司 | Parboiled rice production and graded soaking method |
| CN106616360A (en) * | 2016-12-08 | 2017-05-10 | 江苏财经职业技术学院 | Novel environmentally-friendly preboiled rice preparation method |
| CN107637769A (en) * | 2017-09-20 | 2018-01-30 | 安徽省徽观生态农业科技有限公司 | A kind of processing method of preboiled rice |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109452551A (en) * | 2018-12-25 | 2019-03-12 | 重庆市万盛区贵先米业有限责任公司 | Exempt to impregnate parboiled rice rice processing method and its equipment |
| CN109730251A (en) * | 2019-03-21 | 2019-05-10 | 安徽农业大学 | A kind of preparation method of preboiled rice |
| CN110801879A (en) * | 2019-09-30 | 2020-02-18 | 凤台县丁集乡考传岑农业机械服务专业合作社 | Rice processing technology |
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Application publication date: 20181130 |