CN110938111A - Process for extracting rice protein from broken rice in rice processing - Google Patents
Process for extracting rice protein from broken rice in rice processing Download PDFInfo
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- CN110938111A CN110938111A CN201911321148.4A CN201911321148A CN110938111A CN 110938111 A CN110938111 A CN 110938111A CN 201911321148 A CN201911321148 A CN 201911321148A CN 110938111 A CN110938111 A CN 110938111A
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
- C07K1/145—Extraction; Separation; Purification by extraction or solubilisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/04—Extraction or purification
- C08B30/042—Extraction or purification from cereals or grains
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Abstract
The invention discloses a process method for extracting rice protein from broken rice in rice processing, which comprises the following steps: s1: screening and crushing: screening broken rice, removing residual normal rice in the broken rice, separating light bran shells, heavy broken stones and the like in the broken rice by using a grading stone remover, and finally soaking the broken rice in deionized water for 5-8 hours; s2: grinding: guiding the soaked broken rice into a punching needle grinder for grinding; s3: superfine mashing: pouring all the serous fluid into a high-speed tissue mashing machine, and mashing for 20-40 minutes at a high speed; relates to the technical field of vegetable protein processing. According to the process method for extracting the rice protein from the broken rice in the rice processing, the broken rice is screened and subjected to multiple crushing treatment, so that the interference of impurities is avoided, the separation purity is improved, the product quality is improved, the physical process is adopted, the taste of the product is guaranteed, and the wide popularization and the use are facilitated.
Description
Technical Field
The invention relates to the technical field of vegetable protein processing, in particular to a process method for extracting rice protein from broken rice in rice processing.
Background
The rice protein is a high-quality plant protein resource, is particularly suitable for infants and special crowds as a nutritional food, and the existing rice protein extraction method comprises a physical method and an enzymatic method. The physical method for extracting rice protein is superior to the enzyme method in many aspects, and particularly has remarkable advantages in the extraction of high-quality protein components, the retention of essential amino acid and the contents of fat, starch and cellulose, and has high nutritive value.
The existing process method for extracting rice protein from broken rice in rice processing has low product precision, cannot ensure the product quality and is not beneficial to wide popularization and application.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a process method for extracting rice protein from broken rice in rice processing, and solves the problems that the existing process method for extracting rice protein from broken rice in rice processing has low product precision, cannot ensure the product quality and is not beneficial to wide popularization and application.
In order to solve the technical problems, the invention provides a process method for extracting rice protein from broken rice in rice processing, which comprises the following steps:
s1: screening and crushing: screening broken rice, removing residual normal rice in the broken rice, separating light bran shells, heavy broken stones and the like in the broken rice by using a grading stone remover, and finally soaking the broken rice in deionized water for 5-8 hours;
s2: grinding: guiding the soaked broken rice into a punching needle grinder for grinding;
s3: superfine mashing: pouring all the serous fluid into a high-speed tissue mashing machine, and mashing for 20-40 minutes at a high speed;
s4: homogenizing: guiding the slurry crushed at high speed into a high-pressure homogenizer to pulverize rice plasma cells, and homogenizing the rice plasma until the particle size is less than 4 microns;
s5: ultraviolet sterilization: sterilizing the slurry by using ultraviolet sterilization equipment;
s6: centrifugal separation: centrifugally separating the slurry subjected to ultraviolet sterilization, wherein the heavy phase is starch slurry, and the light phase is concentrated protein slurry;
s7: concentration: concentrating the starch slurry and the protein slurry in the S6 by a centrifugal machine respectively;
s8: and (3) drying treatment: and respectively drying the concentrated starch slurry and protein slurry to obtain starch and protein powder.
Further, the soaking time of the deionized water in the S1 is optimally 6.5 hours.
Further, the high speed mashing time in S3 is preferably 30 minutes.
Further, the pressure of the high-pressure homogenizer in the S4 is 240kg/cm2, and the speed is 300 kg/h.
Further, in the step S7, a scraper centrifuge and a disc centrifuge are respectively used for the starch slurry and the protein slurry.
Further, the drying treatment in the step S8 adopts spray drying, wherein the spray drying temperature is the air inlet temperature of 160 ℃ and 170 ℃, and the air outlet temperature is 70-90 ℃.
The invention has the following beneficial effects:
the process method for extracting rice protein from broken rice in rice processing comprises the following steps of S1: screening and crushing: screening broken rice, removing residual normal rice in the broken rice, separating light bran shells, heavy broken stones and the like in the broken rice by using a grading stone remover, and finally soaking the broken rice in deionized water for 5-8 hours; s2: grinding: guiding the soaked broken rice into a punching needle grinder for grinding; s3: superfine mashing: pouring all the serous fluid into a high-speed tissue mashing machine, and mashing for 20-40 minutes at a high speed; s4: homogenizing: guiding the slurry crushed at high speed into a high-pressure homogenizer to pulverize rice plasma cells, and homogenizing the rice plasma until the particle size is less than 4 microns; s5: ultraviolet sterilization: sterilizing the slurry by using ultraviolet sterilization equipment; s6: centrifugal separation: centrifugally separating the slurry subjected to ultraviolet sterilization, wherein the heavy phase is starch slurry, and the light phase is concentrated protein slurry; s7: concentration: concentrating the starch slurry and the protein slurry in the S6 by a centrifugal machine respectively; s8: and (3) drying treatment: the concentrated starch slurry and protein slurry are respectively dried to obtain starch and protein powder, and the crushed rice is subjected to screening and multiple crushing treatment, so that the interference of impurities is avoided, the separation purity is improved, the product quality is improved, and the physical process is adopted, so that the taste of the product is ensured, and the wide popularization and the use are facilitated.
It is not necessary for any product that embodies the invention to achieve all of the above-described advantages simultaneously.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The embodiment of the invention provides a technical scheme that: a process method for extracting rice protein from broken rice in rice processing comprises the following steps:
s1: screening and crushing: screening broken rice, removing residual normal rice in the broken rice, separating light bran shells, heavy broken stones and the like in the broken rice by using a grading stone remover, and finally soaking the broken rice in deionized water for 5-8 hours;
s2: grinding: guiding the soaked broken rice into a punching needle grinder for grinding;
s3: superfine mashing: pouring all the serous fluid into a high-speed tissue mashing machine, and mashing for 20-40 minutes at a high speed;
s4: homogenizing: guiding the slurry crushed at high speed into a high-pressure homogenizer to pulverize rice plasma cells, and homogenizing the rice plasma until the particle size is less than 4 microns;
s5: ultraviolet sterilization: sterilizing the slurry by using ultraviolet sterilization equipment;
s6: centrifugal separation: centrifugally separating the slurry subjected to ultraviolet sterilization, wherein the heavy phase is starch slurry, and the light phase is concentrated protein slurry;
s7: concentration: concentrating the starch slurry and the protein slurry in the S6 by a centrifugal machine respectively;
s8: and (3) drying treatment: the concentrated starch slurry and the concentrated protein slurry are respectively dried to obtain starch and protein powder, the broken rice is screened and subjected to multiple crushing treatment, the interference of impurities is avoided, the separation purity is improved, the product quality is improved, physical processes are adopted, the taste of the product is guaranteed, and the wide popularization and the use are facilitated.
Further, the soaking time of the deionized water in the step S1 is preferably 6.5 hours, and may be adjusted according to actual processing conditions.
Further, the high speed mashing time in S3 is preferably 30 minutes.
Further, the pressure of the high-pressure homogenizer in the S4 is 240kg/cm2, and the speed is 300 kg/h.
Further, in the step S7, a scraper centrifuge and a disc centrifuge are respectively used for the starch slurry and the protein slurry.
Further, the drying treatment in the step S8 adopts spray drying, wherein the spray drying temperature is the air inlet temperature of 160 ℃ and 170 ℃, and the air outlet temperature is 70-90 ℃.
The invention has the following beneficial effects:
by S1: screening and crushing: screening broken rice, removing residual normal rice in the broken rice, separating light bran shells, heavy broken stones and the like in the broken rice by using a grading stone remover, and finally soaking the broken rice in deionized water for 5-8 hours; s2: grinding: guiding the soaked broken rice into a punching needle grinder for grinding; s3: superfine mashing: pouring all the serous fluid into a high-speed tissue mashing machine, and mashing for 20-40 minutes at a high speed; s4: homogenizing: guiding the slurry crushed at high speed into a high-pressure homogenizer to pulverize rice plasma cells, and homogenizing the rice plasma until the particle size is less than 4 microns; s5: ultraviolet sterilization: sterilizing the slurry by using ultraviolet sterilization equipment; s6: centrifugal separation: centrifugally separating the slurry subjected to ultraviolet sterilization, wherein the heavy phase is starch slurry, and the light phase is concentrated protein slurry; s7: concentration: concentrating the starch slurry and the protein slurry in the S6 by a centrifugal machine respectively; s8: and (3) drying treatment: the concentrated starch slurry and protein slurry are respectively dried to obtain starch and protein powder, and the crushed rice is subjected to screening and multiple crushing treatment, so that the interference of impurities is avoided, the separation purity is improved, the product quality is improved, and the physical process is adopted, so that the taste of the product is ensured, and the wide popularization and the use are facilitated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A process method for extracting rice protein from broken rice in rice processing is characterized by comprising the following steps:
s1: screening and crushing: screening broken rice, removing residual normal rice in the broken rice, separating light bran shells, heavy broken stones and the like in the broken rice by using a grading stone remover, and finally soaking the broken rice in deionized water for 5-8 hours;
s2: grinding: guiding the soaked broken rice into a punching needle grinder for grinding;
s3: superfine mashing: pouring all the serous fluid into a high-speed tissue mashing machine, and mashing for 20-40 minutes at a high speed;
s4: homogenizing: guiding the slurry crushed at high speed into a high-pressure homogenizer to pulverize rice plasma cells, and homogenizing the rice plasma until the particle size is less than 4 microns;
s5: ultraviolet sterilization: sterilizing the slurry by using ultraviolet sterilization equipment;
s6: centrifugal separation: centrifugally separating the slurry subjected to ultraviolet sterilization, wherein the heavy phase is starch slurry, and the light phase is concentrated protein slurry;
s7: concentration: concentrating the starch slurry and the protein slurry in the S6 by a centrifugal machine respectively;
s8: and (3) drying treatment: and respectively drying the concentrated starch slurry and protein slurry to obtain starch and protein powder.
2. The process for extracting rice protein from broken rice in rice processing as claimed in claim 1, wherein: the soaking time of the deionized water in the S1 is optimally 6.5 hours.
3. The process for extracting rice protein from broken rice in rice processing as claimed in claim 1, wherein: the high-speed mashing time in the S3 is preferably 30 minutes.
4. The process for extracting rice protein from broken rice in rice processing as claimed in claim 1, wherein: the pressure of the high-pressure homogenizer in the S4 is 240kg/cm2, and the speed is 250 kg/h and 300 kg/h.
5. The process for extracting rice protein from broken rice in rice processing as claimed in claim 1, wherein: and the starch slurry and the protein slurry in the S7 are respectively a scraper centrifuge and a disc centrifuge.
6. The process for extracting rice protein from broken rice in rice processing as claimed in claim 1, wherein: and the drying treatment in the S8 adopts spray drying, wherein the spray drying temperature is the air inlet temperature of 160 ℃ and 170 ℃, and the air outlet temperature is 70-90 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911321148.4A CN110938111A (en) | 2019-12-20 | 2019-12-20 | Process for extracting rice protein from broken rice in rice processing |
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| CN201911321148.4A CN110938111A (en) | 2019-12-20 | 2019-12-20 | Process for extracting rice protein from broken rice in rice processing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210070A (en) * | 2021-05-07 | 2021-08-06 | 武汉家乐美食品有限公司 | High-efficient rice grading grinding system |
| CN114457132A (en) * | 2022-01-17 | 2022-05-10 | 武汉美味源生物工程有限公司 | Method for preparing starch and non-thermal denatured protein powder by using rice as raw material |
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| CN103315129A (en) * | 2013-06-14 | 2013-09-25 | 安徽省联河米业有限公司 | Purely physical process method for extracting rice protein and starch |
| CN103609830A (en) * | 2013-11-15 | 2014-03-05 | 安徽佳力宝生物科技有限公司 | Extraction method of rice protein |
| CN104322856A (en) * | 2014-10-08 | 2015-02-04 | 安徽乐欢天生物科技有限公司 | Production technology of rich protein powder |
| CN106800607A (en) * | 2017-02-09 | 2017-06-06 | 江西省农业科学院农产品质量安全与标准研究所 | Broken rice starch rapid extraction process |
| CN107439786A (en) * | 2017-08-31 | 2017-12-08 | 江西省农业科学院 | One kind is cracked rice the quick extracting technology of albumen powder |
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2019
- 2019-12-20 CN CN201911321148.4A patent/CN110938111A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103315129A (en) * | 2013-06-14 | 2013-09-25 | 安徽省联河米业有限公司 | Purely physical process method for extracting rice protein and starch |
| CN103609830A (en) * | 2013-11-15 | 2014-03-05 | 安徽佳力宝生物科技有限公司 | Extraction method of rice protein |
| CN104322856A (en) * | 2014-10-08 | 2015-02-04 | 安徽乐欢天生物科技有限公司 | Production technology of rich protein powder |
| CN106800607A (en) * | 2017-02-09 | 2017-06-06 | 江西省农业科学院农产品质量安全与标准研究所 | Broken rice starch rapid extraction process |
| CN107439786A (en) * | 2017-08-31 | 2017-12-08 | 江西省农业科学院 | One kind is cracked rice the quick extracting technology of albumen powder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210070A (en) * | 2021-05-07 | 2021-08-06 | 武汉家乐美食品有限公司 | High-efficient rice grading grinding system |
| CN113210070B (en) * | 2021-05-07 | 2022-05-13 | 武汉家乐美食品有限公司 | High-efficient rice grading grinding system |
| CN114457132A (en) * | 2022-01-17 | 2022-05-10 | 武汉美味源生物工程有限公司 | Method for preparing starch and non-thermal denatured protein powder by using rice as raw material |
| CN114457132B (en) * | 2022-01-17 | 2023-12-22 | 邹佳锐 | Method for preparing starch and non-heat-denaturation protein powder by taking rice as raw material |
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Application publication date: 20200331 |