CN104041656A - Method for producing modified casein through extruding and puffing processes - Google Patents
Method for producing modified casein through extruding and puffing processes Download PDFInfo
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- CN104041656A CN104041656A CN201410273556.8A CN201410273556A CN104041656A CN 104041656 A CN104041656 A CN 104041656A CN 201410273556 A CN201410273556 A CN 201410273556A CN 104041656 A CN104041656 A CN 104041656A
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Abstract
The invention discloses a method for producing modified casein through extruding and puffing processes. According to the method, cheese casein is used as the raw material and is puffed by an extruder so as to produce the casein. By virtue of the method, the emulsibility, the dissolving property and the viscosity of the casein can be improved, the production method of the casein can be improved and the quality of the product can also be improved, so that the problems of poor dissolving property of the existing casein and unpleasant smell of the product can be improved; meanwhile, contents of protein, fat and ash in the produced casein in physical and chemical indicators meet the standard; the modified casein is high in viscosity, good in colour and luster, normal in smell, lenticular in state and good in dissolution characteristic, so that higher quality standard of the product can be achieved.
Description
Technical field
The present invention relates to song and draw casein modification technology field, be specifically related to a kind of method that adopts extrusion method to produce modified casein.
Background technology
Casein is in skimmed milk, to add acid or renin to make casein precipitation, the powder or the granular product that through washing, dehydration, granulation, the technique such as dry, make again, claim again casein, it is the main nitrogen-containing compound in Ruzhong, account for 2.5% of milk elements, account for 81.9% of Ruzhong total protein.Casein is divided into industrial casein and edible casein.Industry casein has good bonding, film forming, light, emulsification, the performance such as stable, be mainly used in the industries such as leather, papermaking, coating, plastics, weaving, electrochemistry, latex, photosensitive material, military project, industrial art, printing, glue, medicine, casein plastic, it is a kind of broad-spectrum industrial chemicals, being the gluing basic material of the very good green of every profession and trade, is also the irreplaceable raw material of other synthetic materials.Edible casein is as the food supplementary material of high nutrition, low fat, low cholesterol, smell delicate fragrance, in food industry, play the effects such as emulsification, thickening and Protein intake, thereby be widely used in all kinds of health products and medical domain, as coffeemate, articles for babies, cheese are made and medical product.
At present, aspect raw material, herdsman produces song with extensive style inoculation fermentation and draws, and because production environment sanitary condition is poor, makes " song draws " oxidative rancidity, and color and luster is yellow dark, has acid smell.In addition, song is pulled in the process of drying, and because long term exposure is in air, in air, a lot of dusty material also fall into wherein, and impurity content is large; In conventional dry casein production process, also there are many problems, the one, production equipment is simple and crude, and the selected dissolution equipment of domestic enterprise is comparatively extensive, and the dissolution time of raw material is longer, and production capacity is low; The 2nd, process technology falls behind, and due to raw material existing problems itself, deodorization becomes critical process.But enterprise's production technology exists defect not can solve the problems such as color and luster and smell at present.Due to above many factors, cause casein product, color and luster is yellow dark, and poorly soluble, emulsibility is poor, has bad smell, brings limiting factor to the studied on cheese element market demand.
Summary of the invention
Technical problem to be solved by this invention is for shortcoming of the prior art, to provide a kind of directly to take song and draw casein to pass through the expanded production casein of extruder as raw material, protein, fat, ash content are up to standard, the production method with full-bodied modified casein, has improved the problems such as smell that existing casein solubility property is poor and product is bad.
For solving technical problem of the present invention, adopt following technical scheme:
Adopt extrusion method to produce a method for modified casein, adopt extrusion method, comprise the following steps:
1. property of raw material: the song of take draws casein as raw material, and it is protein >=92% that described song draws casein physical and chemical index, fat≤2.0%, ash content≤1.8%;
2. extrusion: draw casein at the uniform velocity to add in extruder song, add and purify waste water adding when song draws casein, the addition of purifying waste water is the bent 8-15% of casein quality that draws, extruder makes song draw casein to transform with purifying waste water, wherein song draws casein and purifies waste water and through five temperature sections, transforms successively in extruder, first paragraph A temperature is controlled at 40～50 ℃, second segment B temperature is controlled at 50～60 ℃, the 3rd section of C temperature is controlled at 70～80 ℃, the 4th section of D temperature is controlled at 115～125 ℃, the 5th section of E temperature is controlled at 120～130 ℃, described extruder screw rotating speed is 400-450r/min, the extruder time is 20-25s,
3. pulverize: after the casein after extrusion being placed on and allowing on conveyer belt it is naturally cooling, being dried, enter pulverizer, obtain modified casein powder-product.
The extruder of described step in is 2. twin (double) screw extruder, and screw rod sets gradually conveyor module, shear module, anti-shear module, extruding module from low temperature to high temperature.
The present invention be take song and is drawn casein to pass through the expanded production casein of extruder as raw material, being all improved aspect casein emulsibility, dissolubility and viscosity enhancing and the improvement of casein production technology and product quality, the problems such as smell that existing casein solubility property is poor and product is bad have been improved.The every physical and chemical index content of modified casein protein, fat, ash content of simultaneously producing meets standard, have full-bodied modified casein, and product color is better, smell is normal, Product Status is lenticular, has good dissolution characteristics, has reached higher target level of product quality.The index of product is as shown in table 1.
The index of table 1 target product of the present invention
Accompanying drawing explanation
Fig. 1 is that the present invention uses extruder structural representation.
The specific embodiment
Below in conjunction with embodiment, the present invention is further elaborated.
As shown in Figure 1, the described twin (double) screw extruder 12 that the present invention uses, comprise machine chamber 7, two screw rods 8 of interior installation in machine chamber 7,7 one end, machine chamber are provided with charging aperture 6, on screw rod 8, from charging aperture 6, start to set gradually conveyor module 4, shear module 3, anti-shear module 2, extruding module 1, wherein push module 1 for pressing materials; Anti-shear module 2, for reverse acting spiral, by material cutting, extends the material holdup time; Shear module 3 is for mixing convey materials; Conveyor module 4 is for being fed forward material; On machine chamber 7, be provided with water inlet 5, water inlet 5 is connected with rotor flow pump 13.On twin (double) screw extruder 12, heater is installed, heater is minute five sections of electrical heating, first paragraph A temperature is controlled at 40～50 ℃, second segment B temperature is controlled at 50～60 ℃, the 3rd section of C temperature is controlled at 70～80 ℃, the 4th section of D temperature is controlled at 115～125 ℃, and the 5th section of E temperature is controlled at 120～130 ℃.
embodiment 1
Adopt extrusion method to produce a method for modified casein, comprise the following steps:
1, property of raw material: the song of take draws casein as raw material, it is that protein content is 93.4% that song draws casein physical and chemical index, and fat is 1.6%, and ash content is 1.8%;
2, extrusion: draw casein at the uniform velocity to add in extruder song, add and purify waste water adding when song draws casein, the addition of purifying waste water is bent 8% of the casein quality of drawing, extruder makes song draw casein to transform with purifying waste water, wherein song draws casein and purifies waste water and through five temperature sections, transforms successively in extruder, first paragraph A temperature is controlled at 40 ℃, second segment B temperature is controlled at 60 ℃, the 3rd section of C temperature is controlled at 80 ℃, the 4th section of D temperature is controlled at 125 ℃, the 5th section of E temperature is controlled at 120 ℃, described extruder screw rotating speed is 450r/min, the extruder time is 25s,
3, pulverize: after the casein after expanded being placed on and allowing on conveyer belt it is naturally cooling, being dried, enter pulverizer, obtain modified casein powder-product.
embodiment 2
Adopt extrusion method to produce a method for modified casein, comprise the following steps:
1, property of raw material: the song of take draws casein as raw material, it is that protein content is 92% that song draws casein physical and chemical index, and fat is 1.6%, and ash content is 1.7%;
2, extrusion: draw casein at the uniform velocity to add in extruder song, add and purify waste water adding when song draws casein, the addition of purifying waste water is bent 10% of the casein quality of drawing, extruder makes song draw casein to transform with purifying waste water, wherein song draws casein and purifies waste water and through five temperature sections, transforms successively in extruder, first paragraph A temperature is controlled at 50 ℃, second segment B temperature is controlled at 60 ℃, the 3rd section of C temperature is controlled at 70 ℃, the 4th section of D temperature is controlled at 115 ℃, the 5th section of E temperature is controlled at 120 ℃, described extruder screw rotating speed is 400r/min, the extruder time is 20s,
3, pulverize: after the casein after expanded being placed on and allowing on conveyer belt it is naturally cooling, being dried, enter pulverizer, obtain modified casein powder-product.
embodiment 3
Adopt extrusion method to produce a method for modified casein, comprise the following steps:
1, property of raw material: the song of take draws casein as raw material, it is that protein content is 93.4% that song draws casein physical and chemical index, and fat is 2.0%, and ash content is 1.7%.
2, extrusion: draw casein at the uniform velocity to add in extruder song, add and purify waste water adding when song draws casein, the addition of purifying waste water is bent 15% of the casein quality of drawing, extruder makes song draw casein to transform with purifying waste water, wherein song draws casein and purifies waste water and through five temperature sections, transforms successively in extruder, first paragraph A temperature is controlled at 40 ℃, second segment B temperature is controlled at 50 ℃, the 3rd section of C temperature is controlled at 70 ℃, the 4th section of D temperature is controlled at 120 ℃, the 5th section of E temperature is controlled at 130 ℃, described extruder screw rotating speed is 400r/min, the extruder time is 20s,
3, pulverize: after the casein after expanded being placed on and allowing on conveyer belt it is naturally cooling, being dried, enter pulverizer, obtain modified casein powder-product.
Embodiment and case of comparative examples product (traditional handicraft: song draws → dissolves → be dried → product of a degreasing → sterilization → acid → glue mill → conversion → homogeneous → spraying) physical and chemical index testing result sees the following form 2.
Table 2 is embodiment product physical and chemical index testing result
As can be seen from Table 2, the modified casein sample that adopts the inventive method to produce has better protein characteristic, compare with case of comparative examples product, every physical and chemical index content is close, the most important thing is to have good viscosity, and product color is better, smell is normal, Product Status is lenticular, has good dissolution characteristics, has reached higher target level of product quality.
Claims (2)
1. adopt extrusion method to produce a method for modified casein, adopt extrusion method, it is characterized in that comprising the following steps:
1. property of raw material: the song of take draws casein as raw material, and it is protein >=92% that described song draws casein physical and chemical index, fat≤2.0%, ash content≤1.8%;
2. extrusion: draw casein at the uniform velocity to add in extruder song, add and purify waste water adding when song draws casein, the addition of purifying waste water is the bent 8-15% of casein quality that draws, extruder makes song draw casein to transform with purifying waste water, wherein song draws casein and purifies waste water and through five temperature sections, transforms successively in extruder, first paragraph A temperature is controlled at 40～50 ℃, second segment B temperature is controlled at 50～60 ℃, the 3rd section of C temperature is controlled at 70～80 ℃, the 4th section of D temperature is controlled at 115～125 ℃, the 5th section of E temperature is controlled at 120～130 ℃, described extruder screw rotating speed is 400-450r/min, the extruder time is 20-25s,
3. pulverize: after the casein after extrusion being placed on and allowing on conveyer belt it is naturally cooling, being dried, enter pulverizer, obtain modified casein powder-product.
2. a kind of method that adopts extrusion method to produce modified casein according to claim 1, it is characterized in that: the extruder (12) of described step in is 2. twin (double) screw extruder, the screw rod (8) of described extruder (12) sets gradually conveyor module (4), shear module (3), anti-shear module (2), extruding module (1) from low temperature to high temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410273556.8A CN104041656A (en) | 2014-06-19 | 2014-06-19 | Method for producing modified casein through extruding and puffing processes |
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| CN201410273556.8A CN104041656A (en) | 2014-06-19 | 2014-06-19 | Method for producing modified casein through extruding and puffing processes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037160A (en) * | 2019-04-04 | 2019-07-23 | 甘肃华羚生物技术研究中心 | A kind of food-grade Qula casein production method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605444A (en) * | 1983-11-05 | 1986-08-12 | Werner & Pfleiderer | Processes for preparing caseinates |
| US4744993A (en) * | 1985-05-21 | 1988-05-17 | Nestec S.A. | Preparation of a casein-based puffed product |
| US20030017247A1 (en) * | 2000-01-18 | 2003-01-23 | Luis Asensio | Method and installation for continuously preparing caseinate |
-
2014
- 2014-06-19 CN CN201410273556.8A patent/CN104041656A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605444A (en) * | 1983-11-05 | 1986-08-12 | Werner & Pfleiderer | Processes for preparing caseinates |
| US4744993A (en) * | 1985-05-21 | 1988-05-17 | Nestec S.A. | Preparation of a casein-based puffed product |
| US20030017247A1 (en) * | 2000-01-18 | 2003-01-23 | Luis Asensio | Method and installation for continuously preparing caseinate |
Non-Patent Citations (1)
| Title |
|---|
| 郑建仙: "《现代新型蛋白和油脂食品开发》", 31 May 2003, 科学技术文献出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037160A (en) * | 2019-04-04 | 2019-07-23 | 甘肃华羚生物技术研究中心 | A kind of food-grade Qula casein production method |
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Application publication date: 20140917 |