CN106819357A - A kind of cereal chaff cake protein extraction process - Google Patents
A kind of cereal chaff cake protein extraction process Download PDFInfo
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- CN106819357A CN106819357A CN201710049812.9A CN201710049812A CN106819357A CN 106819357 A CN106819357 A CN 106819357A CN 201710049812 A CN201710049812 A CN 201710049812A CN 106819357 A CN106819357 A CN 106819357A
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- protein
- rice bran
- hydraulic separators
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- storage tank
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
- A23J1/12—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from cereals, wheat, bran, or molasses
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- Chemical & Material Sciences (AREA)
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- Food Science & Technology (AREA)
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- Cereal-Derived Products (AREA)
Abstract
The present invention relates to cereal intensive processing technical field, more particularly to a kind of edible corn gluten protein, a kind of cereal chaff cake protein extraction process is specifically referred to.The invention grinds the processes such as saponification rotary filter press plate-frame filtering pneumatic conveying drying including screening immersion；The beneficial effects of the present invention are：Solve the problems, such as that albumen is difficult to separate with fiber, realize the higher value application of rice bran meal, protein >=80% can be obtained, improve its added value, it is to avoid the wasting of resources.
Description
Technical field
The present invention relates to cereal intensive processing technical field, more particularly to a kind of edible corn gluten protein, specifically refer to
A kind of cereal chaff cake protein extraction process.
Background technology
Rice bran is the accessory substance of paddy processing, is that rice milling process grinds the chaff layer and plumule removed from brown rice surface, and quality is accounted for
Paddy seed 7.5%~8.0%.Chaff layer is made up of exocarp, middle pericarp, kind skin and aleurone, and its quality accounts for rice bran quality
67%~69%.Containing the nutritional ingredient of paddy 60%~80% or so in rice bran, rich in unrighted acid, hypoallergenic egg
The physiological activators such as white matter, dietary fiber, tocopherol, tocotrienols, soluble polysaccharide, γ-Hi-Z and squalene.
China's rice yield ranks first in the world within 2015, is 20824.5 ten thousand tons.Rice bran annual production has reached 16,000,000 tons, but utilization rate
Only 43% or so, used mostly as low value feed, cause significant wastage.The rice bran for utilizing is mainly used in extracting rice
Rice bran oil, byproduct is also rice bran meal.Rice bran meal is sold as feed, and domestic year sales volume is at more than 600 ten thousand tons or so.Rice bran into
Point：Protein 12~17（%）, crude fat 13~22（%）, carbohydrate 35~50（%）, dietary fiber 23~30（%）, ash content
8~12（%）.
Rice bran protein is a kind of nutritive value phytoprotein very high, and wherein soluble protein accounts for 70%, it is necessary to amino
Sour A wide selection of colours and designs, ratio rationally, meets FAO/WHO recommendation patterns, and wherein lysine, methionine and isoleucine content is high, mends
The not enough defect of lysine in corn gluten protein is filled, has been a kind of vegetable protein of the high-quality that can be compared favourably with meat proteins.Rice bran
Protein biology valency is imitated as casein biological value effect is close in 2.0~2.5, with milk, is of high nutritive value；Rice bran protein outstanding feature
It is hypoallergenic, is infant's weaning food desirable feedstock.But rice bran traditional at present i.e. existing national standards rice bran master
If by pericarp, planting what skin, perisperm, aleurone and embryo were processed into, a small amount of rice husk and can be infiltrated in process
Quantitative dust and microorganism, so being mostly used for feed or recovering rice bran oil of Production of Livestock and Poultry etc..Although producing rice in rice bran
The technology of rice bran oil is ripe, but simply most of fat separation is still contained into structural fatty in microcell, and starch has been converted
Be sugar and polysaccharide so as to cause extract added value it is low.As the nutrition function of rice bran is gradually found and payes attention to, it would be highly desirable to which it is right to need
The Protein Separation of rice bran utilizes the development and exploitation of equipment.
The content of the invention
In order to solve the above-mentioned technical problem the present invention, overcomes rice bran meal material relative flat, aspherical, granularity irregular not
Neat and cell membrane is relatively hard, and albumen and fiber are difficult to separate problem, there is provided a kind of edible degreasing cereal chaff cake protein
Industrial preparation process.
The present invention is achieved through the following technical solutions：A kind of cereal chaff cake protein extraction process, including screening-leaching
- saponification-rotary filter press-plate-frame filtering-Optimization of Gas Flow Drying is steeped-ground, is realized by following steps：
1）, screening：Removal rice bran meal impurity and large granular materials；
2）, immersion：Be added to material in batch can by the rice bran meal drag conveyor after screening, purified treatment is used in immersion
70 DEG C~85 DEG C hot water, be configured to the slurries that concentration is 10%~25%, be sufficiently stirred for 0.5~1.5 hour, immersion process makes carefully
Cell wall softens；
3）, grind：Soak is delivered into grinding machine using chemical pump to grind, the defatted rice bran that will be soaked using stainless steel impact grinding
The particle of 0.9~6mm, unification is milled to less than 180 μm, and cell membrane is further destroyed, protein and the exposure of fatty large area with
Release；
4）, saponification：Material after grinding pumps into saponification tank, adds food-grade alkali lye to keep PH6.9~7.1,70
DEG C~85 DEG C of insulation reactions 2 hours；
5）, rotary filter press：Completed by cyclone hydraulic separators, the cyclone hydraulic separators ratio of height to diameter is（3~5）：1, cone angle is
22°≤α≤26°；
6）, plate-frame filtering：Protein storage tank material is pumped into flame filter press, liquid is discharged, separation of solid and liquid is completed；
7）, pneumatic conveying drying：The dry obtained by flame filter press sends into pneumatic drier by conveying worm, sloughs moisture,
Obtain protein dry powder product.
The cyclone hydraulic separators stretches out rotation housing bottom line using its center overflow pipe bottom of rice bran meal hydrophily feature
Its length range 30mm ＜ A ＜ 50mm, rice bran meal easily forms accumulations with water in high temperature environments, and its size is about 140~170
μm（80 mesh）, precipitated through long-time, its moisture 82%~85% or so, and after albumen precipitation its moisture only have 48%~
52%。
The cyclone hydraulic separators is series-mode frame, has 2~4 grades；Flowed out into the material bottom of cyclone hydraulic separators at different levels
Mouth obtains protein, imports underflow storage tank；The central overflow pipe of each cyclone hydraulic separators is respectively connected with top overfall, its internal bag
Rice bran-fiber is included, fatty and remaining protein flows into feed pump input next stage rotary filter press between each overflow storage tank I, materials
Device；Hydrocyclone underflow outlets at different levels obtain protein, protein underflow storage tank are imported, until obtaining preferable protein
Content, the top overfall discharge overflow material on afterbody top flows into overflow storage tank II and separately does its use.
The cyclone hydraulic separators be furnished with cyclone hydraulic separators feed pump, the feed pump pressure >=0.7Mpa, flow 25~
50m3/h。
Compared with prior art, beneficial effects of the present invention：The invention part there are provided a kind of from rice bran
The technique of high efficiency extraction protein in the dregs of rice, to solve the problems, such as that albumen and fiber are difficult to separate, realizes the high-valued profit of rice bran meal
With, protein >=80% can be obtained, improve its added value, it is to avoid the wasting of resources.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is high efficiency extraction process chart of the invention.
Accompanying drawing 2 is hydrocyclone separator structure schematic diagram of the invention.
Accompanying drawing 3 is schemed for tandem cyclone hydraulic separators process layout of the invention.
Shown in figure：
1st, eddy flow feed pump, 2. cyclone hydraulic separators, 2.1, material inlet, 2.2, central overflow pipe, 2.3, rotation housing, 2.4, rotation
Bottom line under transcapsidation body, 2.5, cone, 2.6, underflow outlet, 3, overflow storage tank I, feed pump between 4, material, 5, underflow storage tank, 6, filtering
Workshop section, 7, top overfall, 8, overflow storage tank II.
Specific embodiment
For the technical characterstic for illustrating this programme can be understood, below by specific embodiment, this programme is illustrated.
Referring to the drawings 2, cyclone hydraulic separators is a diameter of preferred 200mm of Φ B of rotation housing 2.3 of tubular, the shell of revolution
The a diameter of Φ 100mm of central overflow pipe 2.2 are respectively equipped with body, the size of material inlet 2.1 is 100mmX50mm, underflow outlet
2.6, the rotation housing 2.3 is cone-shaped from rotation housing bottom line 2.4 to underflow outlet 2.6, and its cone angle is 22 °≤α
≤ 26 °, the rotation housing 2.3 is with the sum of cone 2.5 for total height " L " is with the ratio of height to diameter of diameter " B "（3~5）：1；It is described
The one end of 2.2 embedded rotating housing of central overflow pipe 2.3 is higher by the top of rotation housing 2.3, and the other end stretches out rotation housing bottom line 2.4
Its length range 30mm ＜ A ＜ 50mm；The material inlet 2.1 is located at the side on rotation housing 2.3 top.
Referring to the drawings 3, described cyclone hydraulic separators 2 uses series-mode frame, has 2~4 grades.Into rotary filter press at different levels
The material underflow outlet 2.6 of device obtains protein, imports underflow storage tank 5, and the central overflow pipe 2.2 of each cyclone hydraulic separators is respectively connected
There is top overfall 7, it is internal including rice bran-fiber, and fatty and remaining protein is flowed into and entered between each overflow storage tank I 3, materials
The material input next stage of pump 4 cyclone hydraulic separators 2；Hydrocyclone underflow outlets 2.6 at different levels obtain protein, import protein bottom
Stream storage tank 5；The protein underflow storage tank 5 is by filter station plate-frame filtering until obtaining preferable protein content.Finally
The discharge overflow material of top overfall 7 on one-level top flows into overflow storage tank II 8 and separately does its use；Described cyclone hydraulic separators 2 connects
The eddy flow feed pump 1 for entering, pumphead pressure >=0.7MPa, flow is 25~50m3/h.
The present invention will be better understood that by following case history.
Embodiment 1
With fresh（Mountain letter ecological vegetable oil Co., Ltd product）It is raw material, the present embodiment extraction process step is as follows：
(1) removal of impurities is sieved：The 2000kg fresh rice bran dregs of rice are crossed into 10 mesh sieves, impurity is removed；
(2) soak：Material is added in 70 DEG C~85 DEG C hot water batch cans with purified treatment with drag conveyor, is configured to dense
The slurries for 10%~25% are spent, is sufficiently stirred for 0.5~1.5 hour；
(3) grind：Material will be soaked with chemical pump to make a gift to someone grinding machine, obtain size and be about 140~170 μm（80 mesh）Slurry；
(4) saponification：Material after grinding pumps into saponification tank, adds food-grade（Concentration 15%）Weak lye keeps PH6.9
~7.1,70 DEG C~85 DEG C insulation reactions 2 hours；
(5) rotary filter press：The feed liquid for being finished saponification with chemical pump sends into 4 grades of cyclone hydraulic separators units, and underflow outlet is
It is protein, into liquid protein underflow storage tank 5；
(6) filter：It is the flame filter press for protein storage tank material being pumped into filter station 6, separation of solid and liquid；
(7) dry：The dry that flame filter press is obtained sends into pneumatic drier by conveying worm, sloughs moisture, obtains albumen
Matter power-product；
It is 81.2% to determine protein content according to regulation in GB GB/T5009.5-2010；
Embodiment 2
A kind of method of utilization rice residue high-purity rice protein, with fresh（Shan Xin vegetable oil Science and Technology Ltd. product）
It is raw material, the present embodiment extraction process step is as follows：
(1) removal of impurities is sieved：The 2000kg fresh rice bran dregs of rice are crossed into 10 mesh sieves, impurity is removed；
(2) soak：Material is added in 60 DEG C~65 DEG C hot water batch cans with purified treatment with drag conveyor, is configured to dense
The slurries for 10%~25% are spent, is sufficiently stirred for 0.5~1.5 hour；
(3) grind：Material will be soaked with chemical pump to make a gift to someone grinding machine, obtain size and be about 140~170 μm（80 mesh）Slurry；
(4) saponification：Material after grinding pumps into saponification tank, adds food-grade（Concentration 15%）Weak lye keeps PH6.9
~7.1, insulation reaction 1 hour；
(5) rotary filter press：The feed liquid that saponification is finished is made a gift to someone 3 grades of cyclone hydraulic separators units with chemical pump, underflow outlet is
It is protein, into liquid protein underflow storage tank 5；
(6) filter：It is the flame filter press for protein storage tank material being pumped into filter station 6, separation of solid and liquid；
(7) dry：The dry that flame filter press is obtained sends into pneumatic drier by conveying worm, sloughs moisture and obtains protein
Power-product；
It is 74.8% to determine protein content according to regulation in GB GB/T5009.5-2010；
Embodiment 3
With fresh（Shan Xin vegetable oil Science and Technology Ltd. product）It is raw material, the present embodiment extraction process step is as follows：
(1) removal of impurities is sieved：The 2000kg fresh rice bran dregs of rice are crossed into 10 mesh sieves, impurity is removed；
(2) soak：Material is added in 70 DEG C~85 DEG C hot water batch cans with purified treatment with drag conveyor, is configured to dense
The slurries for 10%~25% are spent, is sufficiently stirred for 0.5~1.5 hour；
(3) grind：Material will be soaked with chemical pump to make a gift to someone grinding machine, obtain size and be about 140~170 μm（80 mesh）Slurry；
(4) saponification：Material after grinding pumps into saponification tank, adds food-grade（Concentration 15%）Weak lye keeps PH6.9
~7.1,70 DEG C~85 DEG C insulation reactions 2 hours；
(5) rotary filter press：The feed liquid that saponification is finished is made a gift to someone 1 grade of cyclone hydraulic separators unit with chemical pump, underflow outlet is
It is protein, into liquid protein underflow storage tank 5；
(6) filter：It is the flame filter press for protein storage tank material being pumped into filter station 6, separation of solid and liquid；
(7) dry：The dry that flame filter press is obtained sends into pneumatic drier by conveying worm, sloughs moisture, obtains albumen
Matter power-product；
It is 61.3% to determine protein content according to regulation in GB GB/T5009.5-2010；
Embodiment 4
With fresh（Shan Xin vegetable oil Science and Technology Ltd. product）It is raw material, the present embodiment extraction process step is as follows：
(1) removal of impurities is sieved：The 2000kg fresh rice bran dregs of rice are crossed into 10 mesh sieves, impurity is removed；
(2) soak：Material is added in 70 DEG C~85 DEG C hot water batch cans with purified treatment with drag conveyor, is configured to dense
The slurries for 10%~25% are spent, is sufficiently stirred for 0.5~1.5 hour；
(3) grind：Material will be soaked with chemical pump to make a gift to someone grinding machine, obtain size and be about 140~170 μm（80 mesh）Slurry；
(4) saponification：Material after grinding pumps into saponification tank, adds food-grade（Concentration 15%）Weak lye keeps PH6.9
~7.1,70 DEG C~85 DEG C insulation reactions 2 hours；
(5) rotary filter press：The feed liquid for being finished saponification with chemical pump sends into pumphead pressure 0.8Mpa, flow 30m3/h, rotation
Liquid/gas separator Φ 800mm2 grades of unit of 400mm length, underflow outlet is protein, into liquid protein underflow storage tank 5；
(6) filter：It is the flame filter press for protein storage tank material being pumped into filter station 6, separation of solid and liquid；
(7) dry：The dry that flame filter press is obtained sends into pneumatic drier by conveying worm, sloughs moisture, obtains albumen
Matter power-product；
It is 61% to determine protein content according to regulation in GB GB/T5009.5-2010；
The rice bran protein powder steady quality of the inventive method production, the rice bran protein powder of preparation be white or buff powder,
Without caking, with the distinctive taste of rice bran protein, gas, taste, free from extraneous odour needs for different clients, the control of rice bran protein powder fineness
It is 100-800 mesh.
In the present invention, rice bran protein weight/mass percentage composition, percent fat, total plate count are respectively adopted
GB5009.5-2010, GB/T5009.6-2003, GB4789.2-2012 are determined；The matter of the albumen yield pure rice bran protein of %=finished products
Quality × 100% of pure rice protein in amount/rice bran.
According to national GB5009.1 inspection for food hygienes standard, the defatted rice bran dregs of rice obtained to the present embodiment have carried out nutrition
Component is detected that its result is listed in the rice bran protein analytical table of table 1 with other indexs of correlation.
Table 1
Certainly, described above is also not limited to the example above, technical characteristic of the present invention without description can by or use
Prior art is realized, will not be repeated here；It is not right that above example and accompanying drawing are merely to illustrate technical scheme
Limitation of the invention, with reference to being preferred embodiment described in detail to the present invention, one of ordinary skill in the art should
Work as understanding, change that those skilled in the art are made in essential scope of the invention, retrofit, add or replace
Change without departure from spirit of the invention, should also belong to claims of the invention.
Claims (4)
1. a kind of cereal chaff cake protein extraction process, including sieve-soak-grind-saponification-rotary filter press-plate-frame filtering-
Optimization of Gas Flow Drying, it is characterised in that realized by following steps：
1）, screening：Removal rice bran meal impurity and large granular materials；
2）, immersion：Be added to material in batch can by the rice bran meal drag conveyor after screening, purified treatment is used in immersion
70 DEG C~85 DEG C hot water, be configured to the slurries that concentration is 10%~25%, be sufficiently stirred for 0.5~1.5 hour, immersion process makes carefully
Cell wall softens；
3）, grind：Soak is delivered into grinding machine using chemical pump to grind, the defatted rice bran that will be soaked using stainless steel impact grinding
The particle of 0.9~6mm, unification is milled to less than 180 μm, and cell membrane is further destroyed, protein and the exposure of fatty large area with
Release；
4）, saponification：Material after grinding pumps into saponification tank, adds food-grade alkali lye to keep PH6.9~7.1,70
DEG C~85 DEG C of insulation reactions 2 hours；
5）, rotary filter press：Completed by cyclone hydraulic separators, the cyclone hydraulic separators ratio of height to diameter is（3~5）：1, cone angle is
22°≤α≤26°；
6）, plate-frame filtering：Protein storage tank material is pumped into flame filter press, liquid is discharged, separation of solid and liquid is completed；
7）, pneumatic conveying drying：The dry obtained by flame filter press sends into pneumatic drier by conveying worm, sloughs moisture,
Obtain protein dry powder product.
2. a kind of cereal chaff cake protein extraction process according to claim 1, it is characterised in that：The cyclone hydraulic separators profit
Rotation housing bottom line its length range 30mm ＜ A ＜ 50mm are stretched out with its center overflow pipe bottom of rice bran meal hydrophily feature,
Rice bran meal easily forms accumulations with water in high temperature environments, and its size is about 140~170 μm（80 mesh）, precipitated through long-time, its
Moisture is 82%~85% or so, and its moisture only has 48%~52% after albumen precipitation.
3. a kind of cereal chaff cake protein extraction process according to claim 2, it is characterised in that：The cyclone hydraulic separators is
Series-mode frame, has 2~4 grades；Material underflow outlet into cyclone hydraulic separators at different levels obtains protein, imports underflow storage
Tank；The central overflow pipe of each cyclone hydraulic separators is respectively connected with top overfall, and it is internal including rice bran-fiber, fatty and remaining
Protein, flows into feed pump input next stage cyclone hydraulic separators between each overflow storage tank I, materials；Hydrocyclone underflows at different levels go out
Mouth obtains protein, protein underflow storage tank is imported, until obtaining preferable protein content, the top on afterbody top
Overfall discharge overflow material flows into overflow storage tank II and separately does its use.
4. a kind of cereal chaff cake protein extraction process according to Claims 2 or 3, it is characterised in that：The rotary filter press
Device is furnished with cyclone hydraulic separators feed pump, the feed pump pressure >=0.7Mpa, 25~50m3/h of flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710049812.9A CN106819357A (en) | 2017-01-23 | 2017-01-23 | A kind of cereal chaff cake protein extraction process |
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|---|---|---|---|
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ID=59120211
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