CN108579851A - A kind of rice fine-processing technique - Google Patents

A kind of rice fine-processing technique Download PDF

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Publication number
CN108579851A
CN108579851A CN201711455375.7A CN201711455375A CN108579851A CN 108579851 A CN108579851 A CN 108579851A CN 201711455375 A CN201711455375 A CN 201711455375A CN 108579851 A CN108579851 A CN 108579851A
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Prior art keywords
paddy
rice
finished product
processing technique
semi
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CN201711455375.7A
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Chinese (zh)
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姚明武
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Individual
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Priority to CN201711455375.7A priority Critical patent/CN108579851A/en
Publication of CN108579851A publication Critical patent/CN108579851A/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
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • A23L7/104Fermentation of farinaceous cereal or cereal material; Addition of enzymes or microorganisms
    • 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
    • B02B1/00Preparing grain for milling or like processes
    • B02B1/02Dry treatment
    • 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
    • B02B1/00Preparing grain for milling or like processes
    • B02B1/04Wet treatment, e.g. washing, wetting, softening
    • 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
    • B02B1/00Preparing grain for milling or like processes
    • B02B1/08Conditioning grain with respect to temperature or water content
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/143Fermentum
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/169Plantarum

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Cereal-Derived Products (AREA)
  • Confectionery (AREA)

Abstract

A kind of rice fine-processing technique, first paddy is cleaned, then it is impregnated with lye, it is rinsed well after immersion, and utilize lactobacillus fermenti, lactobacillus plantarum and saccharomycete ferment, it carries out after fermentation quick-frozen, the paddy after fast frozen is tiled again and is sent into baking room and carries out hot-air seasoning, and carry out shelling operation, make husking yield between 60~80%, obtain semi-finished product, then rice fermentation liquid the laggard firm position library of atomizing spray is carried out in surface of semi-finished again to preserve, then the comprehensive moisture content of paddy is controlled within 18% by carrying out low temperature drying after steam, so husking is carried out successively, the rough separation of paddy, again through secondary husk rice, classification, color sorting, polishing obtains finished product rice.Method processing technology rice milling yield of the present invention is high, can effectively reduce the friability rate of rice, while can effectively reduce out the content of beary metal on meter surface and preserve the nutriment in epidermis.

Description

A kind of rice fine-processing technique
Technical field
The present invention relates to cereal processing technique field, specially a kind of rice fine-processing technique.
Background technology
Staple food one of of the rice as China resident, processing method are continued to develop with the raising of living standards of the people. Currently, based on raw grain received with machine substantially, excessive removal of impurities, drying operation will not be carried out, causes raw grain easily to mix, cross contamination, The problems such as impurity is more, and moisture is high and uneven bring prodigious difficulty to rice processing, thus in the processing technology of rice All include the processes such as cleaning, husking, the rough separation of paddy, husk rice, rice refining substantially, processing method is with people's lives in flow Horizontal raising continues to develop and mechanization trend is presented.
Paddy processing at rice, is all made of the processing method of one continuous line, that is, one used by existing mechanized equipment The production line of dragon, is continuously once completed from paddy to rice finished product, although this traditional processing technology efficiency is higher, In the actual production process, but the continuous production of mechanization can greatly increase rice processing because processing technology program is complicated The cost of enterprise, while also resulting in that its rice milling yield is not high, finish is bad, and in process, it can be because equipment be dry The broken rice rate of the bad rice for causing to process of humid control is high.
Invention content
Technical problem solved by the invention is to provide a kind of rice fine-processing technique, to solve in above-mentioned technical background Defect.
Technical problem solved by the invention is realized using following technical scheme:
A kind of rice fine-processing technique specifically includes following operating procedure:
1)Paddy is put into impurity removing machine after paddy is gathered in and is cleaned.
2)Paddy after removal of impurities is impregnated with 35 ~ 45 DEG C of the solution containing 3 ~ 5% dietary alkalis, impregnates 10 ~ 15min, leaching After the completion of bubble with flowing water rinse surface, will clean after paddy be added container, and be added lactobacillus fermenti, lactobacillus plantarum and Saccharomycete and suitable water ferment, and fermentation temperature is 30 ~ 50 DEG C, when fermentation a length of 8 ~ 10 hours, then take out and wash Only, scanning frequency of going forward side by side freezes operation, and the quick-frozen time is 30 ~ 40min, and quick freezing temperature is -15 DEG C ~ -18 DEG C.
3)Paddy after fast frozen is tiled and is sent into baking room and carries out hot-air seasoning, hot blast temperature is 45 ~ 60 DEG C, it is carried out using intermittently drying mode, often takes out and stir after dry 50~60min, and be dried again after cooling 10min, until Rice Kernel Moisture Content is 12~14%.
4)By step 3)Husk is removed in treated paddy input rice mill, makes husking yield between 60~80%, obtains Semi-finished product are obtained, rice fermentation liquid is then subjected to atomizing spray in surface of semi-finished, then soaks the atomization of rice fermentation liquid Semi-finished product enter warehouse and stored, control the temperature in warehouse at 8 ~ 12 DEG C, relative humidity preserves 2 ~ 3 days 38 ~ 42%.
5)By step 4)In warehouse in keep after semi-finished product pass through in 280 ~ 300 DEG C of steam heat 10 ~ 15s After take out, be sent into baking room in carry out low temperature drying operation with by the comprehensive moisture content of paddy control within 18%, so successively into Row husking, paddy it is rough separation, again through secondary husk rice, classification, color sorting, polishing i.e. obtain finished product rice.
In the present invention, step 1 is utilized)Paddy is first put into roller receiving sieve and vibrating screen successively when being cleaned, point Qing Chu be in paddy big miscellaneous and in it is miscellaneous, small miscellaneous, the paddy after impurity elimination is then sent into stone remover hopper, is gone by stone remover Except stone, the paddy that then will be gone after stone pass through magnetic separator and reject metallics that may be present in paddy shoulder to shoulder.
In the present invention, the step 2)When middle progress fermentation operation, the ratio of 3 ~ 5g is added to add bacterium according to every kilogram of paddy Agent, 0.5 × 10 ~ 1.5 × 10cfu/g of viable count containing lactobacillus fermenti, lactobacillus plantarum viable count 0.2 × 10 ~ 0.8 in microbial inoculum × 10cfu/g, 0.2 × 10 ~ 0.8 × 10cfu/g of saccharomycete viable count.
In the present invention, the step 3)In baking room to paddy carry out drying operation when be intermittent drying, heat Air temperature is 32 ~ 40 DEG C, is dried using every 30min hot-air seasonings 20min, then the endless form of natural cooling 10min, directly Until when being dried to paddy comprehensive moisture content less than 18%.
In the present invention, the step 5)When the low temperature drying of middle progress, it is dried with 3 ~ 5 DEG C of low temperature drying wind, It is 12~14% to make semi-finished product moisture content.
In the present invention, the step 5)When the low temperature drying of middle progress, it is dried with the mode that low temperature is lyophilized so that Semi-finished product moisture content is 12~14%.
Advantageous effect:Processing technology rice milling yield of the present invention is high, can be reduced follow-up impurity removal process, reduce the friability of rice Rate, while the content of beary metal that can effectively reduce out meter surface and the nutriment in maximum composition preservation grain of rice epidermis, together When, the rice prepared has light fermenting aroma, free from extraneous odour and in good taste after cooking.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Specific embodiment is closed, the present invention is further explained.
Embodiment one:
In the present embodiment, the procedure of processing of rice finishing is as follows:
Paddy is put into roller receiving sieve and vibrating screen successively after first paddy is gathered in, respectively remove paddy in it is big miscellaneous and in It is miscellaneous, small miscellaneous, the paddy after impurity elimination is then sent into stone remover hopper, stone shoulder to shoulder is removed by stone remover, after then removing stone Paddy rejects metallics that may be present in paddy by magnetic separator.Paddy after removal of impurities is molten containing 5% dietary alkali with 40 DEG C Liquid is impregnated, and 15min is impregnated, and surface is rinsed with flowing water after the completion of immersion, and container is added in the paddy after cleaning, meanwhile, it presses Every kilogram of paddy add the ratio of 5g add the 0.9 × 10cfu/g of viable count containing lactobacillus fermenti, lactobacillus plantarum viable count 0.6 × 10cfu/g, 0.6 × 10cfu/g of saccharomycete viable count microbial inoculum and just do not had the water of paddy dose,surface to ferment, control hair Ferment temperature is 50 DEG C, when fermentation a length of 8 hours, then takes out clean, and scanning frequency of going forward side by side freezes operation, and it is -15 to adjust quick freezing temperature DEG C, quick-frozen 30min.
Paddy after fast frozen is tiled and is sent into baking room and carries out hot-air seasoning, hot blast temperature is 50 DEG C, is adopted It is carried out with intermittently drying mode, often takes out and stir after dry 50min, and be dried again after cooling 10min, until paddy is aqueous Then paddy is put into rice mill to 13% and removes husk by rate, make husking yield 76% or so, obtain semi-finished product, then will be big Rice zymotic fluid carries out atomizing spray in surface of semi-finished, and the semi-finished product of the atomization wetting of rice fermentation liquid, which are then entered warehouse, carries out Storage controls the temperature in warehouse at 10 ~ 12 DEG C, and relative humidity preserves 2 days 40 ~ 42%;Then after being kept in warehouse Semi-finished product by 300 DEG C of steam heat 10 ~ 15s after take out, be sent into baking room in carried out with 4 DEG C of low temperature drying wind it is low Warm drying process controls the comprehensive moisture content of paddy 14%, so carries out the rough separation of husking, paddy successively, again through secondary stone roller Rice, classification, color sorting, polishing obtain finished product rice.
Embodiment two
In the present embodiment, the procedure of processing of rice finishing is as follows:
Paddy is put into roller receiving sieve and vibrating screen successively after first paddy is gathered in, respectively remove paddy in it is big miscellaneous and in It is miscellaneous, small miscellaneous, the paddy after impurity elimination is then sent into stone remover hopper, stone shoulder to shoulder is removed by stone remover, after then removing stone Paddy rejects metallics that may be present in paddy by magnetic separator.Paddy after removal of impurities is molten containing 4% dietary alkali with 42 DEG C Liquid is impregnated, and 12min is impregnated, and surface is rinsed with flowing water after the completion of immersion, and container is added in the paddy after cleaning, meanwhile, it presses Every kilogram of paddy add the ratio of 4g add the 1.2 × 10cfu/g of viable count containing lactobacillus fermenti, lactobacillus plantarum viable count 0.5 × 10cfu/g, 0.5 × 10cfu/g of saccharomycete viable count microbial inoculum and just do not had the water of paddy dose,surface to ferment, control hair Ferment temperature is 40 DEG C, when fermentation a length of 9 hours, then takes out clean, and scanning frequency of going forward side by side freezes operation, and it is -15 to adjust quick freezing temperature DEG C, quick-frozen 35min.
Paddy after fast frozen is tiled and is sent into baking room and carries out hot-air seasoning, hot blast temperature is 55 DEG C, is adopted It is carried out with intermittently drying mode, often takes out and stir after dry 52min, and be dried again after cooling 10min, until paddy is aqueous Rate removes husk to 13% in paddy after the completion of then fumigating input rice mill, makes husking yield 72%, obtain half at Then rice fermentation liquid is carried out atomizing spray by product in surface of semi-finished, then by the half of the atomization wetting of rice fermentation liquid at Product enter warehouse and are stored, and control the temperature in warehouse at 10 ~ 12 DEG C, relative humidity preserves 50h 40 ~ 42%;Then by warehouse In keep after semi-finished product by being taken out after heating 10 ~ 12s in 280 DEG C of steam, be sent into baking room with using low-temperature frozen Dry mode carries out low temperature drying operation, and the comprehensive moisture content of paddy is controlled 13%, so carries out husking, rough point of paddy successively From, again through secondary husk rice, classification, color sorting, polishing i.e. obtain finished product rice.
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 the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (6)

1. a kind of rice fine-processing technique, which is characterized in that including following operating procedure:
1)Paddy is put into impurity removing machine after paddy is gathered in and is cleaned;
2)Paddy after removal of impurities is impregnated with 35 ~ 45 DEG C of the solution containing 3 ~ 5% dietary alkalis, 10 ~ 15min is impregnated, has impregnated Cheng Houyong flowing water rinses surface, container is added in the paddy after cleaning, and lactobacillus fermenti, lactobacillus plantarum and yeast is added Bacterium and suitable water ferment, and fermentation temperature is 30 ~ 50 DEG C, when fermentation a length of 8 ~ 10 hours, then take out it is clean, and Quick-frozen operation is carried out, the quick-frozen time is 30 ~ 40min, and quick freezing temperature is -15 DEG C ~ -18 DEG C;
3)Paddy after fast frozen is tiled and is sent into baking room and carries out hot-air seasoning, hot blast temperature is 45 ~ 60 DEG C, It is carried out using intermittently drying mode, often takes out and stir after dry 50~60min, and be dried again after cooling 10min, until paddy Moisture content is 12~14%;
4)By step 3)Husk is removed in treated paddy input rice mill, makes husking yield between 60~80%, obtains half Then rice fermentation liquid is carried out atomizing spray by finished product in surface of semi-finished, then by the half of the atomization wetting of rice fermentation liquid Finished product enters warehouse and is stored, and controls the temperature in warehouse at 8 ~ 12 DEG C, relative humidity preserves 2 ~ 3 days 38 ~ 42%;
5)By step 4)In warehouse in keep after semi-finished product by 280 ~ 300 DEG C of steam heat 10 ~ 15s after take Go out, is sent into baking room and carries out low temperature drying operation so that the control of the comprehensive moisture content of paddy within 18%, so to be hulled successively Paddy, paddy it is rough separation, again through secondary husk rice, classification, color sorting, polishing i.e. obtain finished product rice.
2. rice fine-processing technique according to claim 1, which is characterized in that utilize step 1)First by rice when being cleaned Paddy puts into roller receiving sieve and vibrating screen successively, respectively remove paddy in it is big miscellaneous and in it is miscellaneous, small miscellaneous, then will be after impurity elimination Paddy is sent into stone remover hopper, and by stone remover removal, stone, the paddy that then will be gone after stone pass through magnetic separator and rejects paddy shoulder to shoulder In metallics that may be present.
3. rice fine-processing technique according to claim 1, which is characterized in that the step 2)Middle carry out fermentation operation When, add the ratio of 3 ~ 5g to add microbial inoculum according to every kilogram of paddy, viable count containing lactobacillus fermenti 0.5 × 10 ~ 1.5 in microbial inoculum × 10cfu/g, 0.2 × 10 ~ 0.8 × 10cfu/g of lactobacillus plantarum viable count, 0.2 × 10 ~ 0.8 × 10cfu/ of saccharomycete viable count g。
4. rice fine-processing technique according to claim 1, which is characterized in that the step 3)In in baking room to paddy It carrying out when drying operation being intermittent drying, hot blast temperature is 32 ~ 40 DEG C, using every 30min hot-air seasonings 20min, then from So the endless form of cooling 10min is dried, until when being dried to paddy comprehensive moisture content less than 18%.
5. rice fine-processing technique according to claim 1, which is characterized in that the step 5)The low temperature drying of middle progress When, it is dried with 3 ~ 5 DEG C of low temperature drying wind, it is 12~14% to make semi-finished product moisture content.
6. rice fine-processing technique according to claim 1, which is characterized in that the step 5)The low temperature drying of middle progress When, it is dried with the mode that low temperature is lyophilized so that semi-finished product moisture content is 12~14%.
CN201711455375.7A 2017-12-28 2017-12-28 A kind of rice fine-processing technique Withdrawn CN108579851A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109550545A (en) * 2018-11-29 2019-04-02 唐山曹妃甸区稻口香米业有限公司 A kind of rice fine-processing technique
CN110152765A (en) * 2019-06-05 2019-08-23 安徽省舒城县青云精米加工有限责任公司 Big rice processing method
CN111185256A (en) * 2019-10-30 2020-05-22 靖州县振宏米业有限责任公司 Production and processing method of high-quality graded rice
CN111644220A (en) * 2020-07-17 2020-09-11 湄潭县宫廷香米业有限责任公司 Unshelling method of shikimic rice
CN112892646A (en) * 2019-11-19 2021-06-04 衡阳县湖穗农业有限公司 Rice processing method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109550545A (en) * 2018-11-29 2019-04-02 唐山曹妃甸区稻口香米业有限公司 A kind of rice fine-processing technique
CN110152765A (en) * 2019-06-05 2019-08-23 安徽省舒城县青云精米加工有限责任公司 Big rice processing method
CN110152765B (en) * 2019-06-05 2021-07-09 安徽省舒城县青云精米加工有限责任公司 Rice processing method
CN111185256A (en) * 2019-10-30 2020-05-22 靖州县振宏米业有限责任公司 Production and processing method of high-quality graded rice
CN111185256B (en) * 2019-10-30 2021-07-06 靖州县振宏米业有限责任公司 Production and processing method of high-quality graded rice
CN112892646A (en) * 2019-11-19 2021-06-04 衡阳县湖穗农业有限公司 Rice processing method
CN111644220A (en) * 2020-07-17 2020-09-11 湄潭县宫廷香米业有限责任公司 Unshelling method of shikimic rice

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