CN101044872A - Method for circulation himidification and modifying of coarse rice - Google Patents
Method for circulation himidification and modifying of coarse rice Download PDFInfo
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- CN101044872A CN101044872A CNA200710072172XA CN200710072172A CN101044872A CN 101044872 A CN101044872 A CN 101044872A CN A200710072172X A CNA200710072172X A CN A200710072172XA CN 200710072172 A CN200710072172 A CN 200710072172A CN 101044872 A CN101044872 A CN 101044872A
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- rice
- humidification
- brown rice
- moisture content
- circulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
A cyclic moistening method for modifying the unpolished rice to obtain the instant antistaling rice with high output rate of refined rice increased by 10-30% features that before the unpolished rice with 12-14% of water content is ground, it is cyclically moistened 2-3 times and then stored at 10-40 deg.C for 60-120 min to make its water content to be 15.5 +/2 0.2%.
Description
Technical field
The invention belongs to grain rice process technology, relate generally to the preceding humidification hardening and tempering method of adjusting the brown rice moisture content of brown rice husk rice processing.
Background technology
The safe storage moisture of brown rice must be lower than 14%, and optimum grinds the moisture of Mi Jiagong about 16%, and the main component of brown rice is a starch, and low moisture brown rice hardness and fragility are bigger, smart crackle in Grinding Process, occurs easily and crack rice, and rice surface fineness is low; Same reason also makes the energy consumption of rice husk rice processing increase, and generally between 12-14%, therefore modified for humidification before the brown rice mill Mi Jiagong after storing is necessary to the brown rice moisture that process is stored.Excessive even and generation stress cracking of the interior starch granules non-homogeneous expansion of brown rice that then easily makes of humidification amount in the modified process of unpolished rice humidification, crackle brown rice adds broken easily or increasing crackle in man-hour in husk rice, is unfavorable for superior rice production; If a humidification amount is too small, then need repeatedly humidification just can reach the moisture of suitable processing, restrict the modified production efficiency of unpolished rice humidification.Moisture process of osmosis from outward appearance to inner essence needs the regular hour to finish behind the unpolished rice humidification, the moisture of brown rice by pericarp to endosperm, progressively infiltration from outside to inside, there is the little gradation of moisture of outer imperial palace in its process, when husk rice, mainly be the cortex of brown rice of milling, so let us wish that cortex obtains appropriate moisture and moistens and made it suitably softening, brown rice husk rice after humidification is modified adds man-hour polished rice moisture content will be increased to some extent, and suitable increase can improve the quality and yield of rice; If the polished rice moisture content increases too much, will be unfavorable for the safe storage of rice.Up to now, also do not have a kind of unpolished rice humidification hardening and tempering method accurate, science to process by brown rice and adopted, it is random big, has influenced a brown rice mill meter crudy, has increased the consumption of brown rice machining energy.
Summary of the invention
Purpose of the present invention is exactly the problem that exists at above-mentioned prior art, in conjunction with the production and processing actual needs, by theory analysis research and a large amount of tests, a kind of science, method for circulation himidification and modifying of coarse rice accurately are provided, reach and improve a brown rice mill rice crudy, increase the polished rice rate, reduce the purpose of power consumption of polymer processing.
The object of the present invention is achieved like this: original moisture content is carried out 2-3 circulation humidification at the brown rice of 12%-14% before mill Mi Jiagong modified, the modified humidification amount of its each humidification is 0.8-1.5%, under 10-40 ℃ of condition, deposited 60-120 minute behind the humidification, promptly make moisture content and be the brown rice of 16.5 ± 0.2% processing instant fresh rice, or make the brown rice that moisture content is 15.5 ± 0.2% processing long term storage rice.
The present invention has studied the unpolished rice humidification hardening and tempering process method that moisture content is processed into instant fresh rice or long term storage rice at the brown rice of 12-14% before mill Mi Jiagong, this process is compared with no humidification hardening and tempering process and is improved head rice rate 10-30%, energy efficient 15-30%, the food flavor quality improving, gained instant fresh rice moisture content 15 ± 0.2%, vacuum-packed, keep away periods of direct sunlight, normal temperature storage, can store 30 days summer safely, 3 months winters, or gained long term storage rice moisture content 14 ± 0.2%, can long-term safety store.
The specific embodiment
Give an actual example below embodiment of the present invention is elaborated.
Embodiment 1: adopting original moisture content is 12% brown rice, target product is a brown rice of producing instant fresh rice, its unpolished rice humidification hardening and tempering process method is: it is modified that brown rice is carried out first time humidification amount 1.5% humidification, under 30-40 ℃ of condition, deposited 60-80 minute, it is modified to carry out second time humidification amount 1.5% humidification again, carry out again after depositing 80-100 minute under the 20-30 ℃ of condition that humidification amount 1.5% humidification is modified for the third time, after depositing 100-120 minute under the 10-20 ℃ of condition, promptly get the brown rice of the moisture content 16.5 ± 0.2% that can be used for the processing of instant fresh rice, gained instant fresh rice moisture content is 15 ± 0.2% behind the mill Mi Jiagong, and all the other moisture separate with rice bran and steam raising behind the absorption heat in the brown rice processing of milling.This method is compared with no humidification hardening and tempering process and is improved head rice rate about 25%, saves power consumption of polymer processing about 30%.
Embodiment 2: adopting original moisture content is 13.4% brown rice, target product is a brown rice of producing long term storage rice, its unpolished rice humidification hardening and tempering process method is: it is modified that brown rice is carried out first time humidification amount 1.1% humidification, under 10-20 ℃ of condition, deposited 100-120 minute, it is modified to carry out second time humidification amount 1% humidification again, under 30-40 ℃ of condition, deposited 60-80 minute, promptly get the brown rice of the long term storage rice of the moisture content 15.5 ± 0.2% that can be used for processing, gained long term storage rice moisture content is 14 ± 0.2% behind the mill Mi Jiagong, and all the other moisture content separate with rice grain and steam raising behind the absorption heat in the brown rice processing of milling.This method is compared with no humidification hardening and tempering process and is improved head rice rate 15%, saves power consumption of polymer processing 20%.
Definite employing following manner to 2-3 circulation humidification number of times is determined: (the original moisture content of target moisture content one brown rice behind the unpolished rice humidification) ÷ (the 0.8-1.5%)=modified number of times of humidification.In the 0.8-1.5% scope, adjust each humidification amount, make the humidification number of times become integer.The selection of resting period and temperature is behind each humidification: under 10-40 ℃ of condition, when storage temperature is low, adopt the long period in the 60-120 ℃ of minute scope to deposit, when storage temperature is higher, get the shorter resting period.
Claims (1)
1, a kind of method for circulation himidification and modifying of coarse rice, it is modified to it is characterized in that original moisture content is carried out 2-3 circulation humidification at the brown rice of 12%-14% before mill Mi Jiagong, the modified humidification amount of its each humidification is 0.8-1.5%, under 10-40 ℃ of condition, deposited 60-120 minute behind the humidification, promptly make moisture content and be the brown rice of 16.5 ± 0.2% processing instant fresh rice, or make the brown rice that moisture content is 15.5 ± 0.2% processing long term storage rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710072172XA CN101044872A (en) | 2007-05-08 | 2007-05-08 | Method for circulation himidification and modifying of coarse rice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710072172XA CN101044872A (en) | 2007-05-08 | 2007-05-08 | Method for circulation himidification and modifying of coarse rice |
Publications (1)
| Publication Number | Publication Date |
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| CN101044872A true CN101044872A (en) | 2007-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA200710072172XA Pending CN101044872A (en) | 2007-05-08 | 2007-05-08 | Method for circulation himidification and modifying of coarse rice |
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| CN (1) | CN101044872A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960579A (en) * | 2014-05-13 | 2014-08-06 | 南京农业大学 | Production technology for activated rice enriched with functional components |
| CN104209155A (en) * | 2014-09-26 | 2014-12-17 | 东北农业大学 | Hulled rice conditioning method under vacuum state |
| CN107913754A (en) * | 2017-11-22 | 2018-04-17 | 安徽省东博米业有限公司 | A kind of brown rice atomizing-dampening system method for reducing broken rice rate |
-
2007
- 2007-05-08 CN CNA200710072172XA patent/CN101044872A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960579A (en) * | 2014-05-13 | 2014-08-06 | 南京农业大学 | Production technology for activated rice enriched with functional components |
| CN104209155A (en) * | 2014-09-26 | 2014-12-17 | 东北农业大学 | Hulled rice conditioning method under vacuum state |
| CN104209155B (en) * | 2014-09-26 | 2016-08-24 | 东北农业大学 | A kind of method of quenched brown rice under vacuum state |
| CN107913754A (en) * | 2017-11-22 | 2018-04-17 | 安徽省东博米业有限公司 | A kind of brown rice atomizing-dampening system method for reducing broken rice rate |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20071003 |