CN102372763A - Preparation method for industrial cotton seed protein, product prepared with same and application thereof - Google Patents
Preparation method for industrial cotton seed protein, product prepared with same and application thereof Download PDFInfo
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- CN102372763A CN102372763A CN2011103354447A CN201110335444A CN102372763A CN 102372763 A CN102372763 A CN 102372763A CN 2011103354447 A CN2011103354447 A CN 2011103354447A CN 201110335444 A CN201110335444 A CN 201110335444A CN 102372763 A CN102372763 A CN 102372763A
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Abstract
The invention provides a preparation method for industrial cotton seed protein, a product prepared with the same and application thereof. The method comprises the following steps of: treating cotton seed meal powder with an ethanol aqueous solution and an alkali liquor; and adjusting the isoelectric point of the solution with an acid liquor or modifying with an aid. The industrial cotton seed protein has structural performance which is similar to that of soybean protein, has biodegradability, can be taken as a substitute of industrial soybean protein, is blended with other fibers or is suitable for serving as an industrial environmentally-friendly textile material.
Description
Technical field
The present invention relates to a kind of preparation method of industrial cottonseed kernel protein and the product and the application of preparation thereof, relate more specifically to a kind of spinning with cottonseed kernel protein.
Background technology
Cottonseed kernel protein is a kind of vegetable-protein that from cottonseed meal, extracts.Cottonseed meal is the by product after the cottonseed oil expression.Be full of pigment gland in the cottonseed, it contains a kind of highly active polyphenolic compound-phenol or claims cotton toxin, and the edible back of people and monogastric animal stomach membrane tissue is prone to be damaged, and causes the disorders of digestion.By product as after the cottonseed oil expression inevitably contains gossypol in the undressed cottonseed meal.These cottonseed meal that contain gossypol can only be done rudimentary feed or fertilizer, and its purposes has received serious limit.
Cotton in China output is numerous, and cottonseed YO at present is 7,200,000 t, accounts for 24% of world's YO.Can get cotton dregs 3,240,000 t after these cottonseed oil expressions, amount to true protein 140,000 t.There is the grouts of output behind 4,000 ten thousand tons of oil plant system oil every year in China; Cottonseed kernel protein content reaches more than 50% after the dephenolize; The protein content that is higher than one-level dregs of beans 44%; Soybean meal is mostly feeding, and that the cotton dregs that are rich in cottonseed protein have only is feeding on a small quantity, wherein the cotton dregs of 75%-80% still along traditional use habit in order to fertilize the soil.
The U.S. carries out detoxication of cotton seeds and the exploitation of edible cottonseed kernel protein the earliest, and states such as later India, France, Peru carry out in succession.China approximately is started in the sixties in 20th century to the edible research of cottonseed kernel protein matter.Three excess oil factories develop the safe phenol that goes and eat cottonseed protein powder the domestic expert of having in Nantong, and its protein contnt is more than 55%, and free gossypol content is below 0.02%.China Academy of Medical Sciences used free gossypol content to supply human body edible as the detoxification cake of 0.027%-0.038% in 1961, ate 5 months by everyone 50g every day, did not all find any abnormal response.Shanghai was once carried oily cottonseed protein in 1975 with detoxification and is produced the candy whipping agent, and its quality is similar with soy protein products.Jinan Yutang brewery produced soy sauce with 30% cottonseed cake, 40% bean powder, 30% wheat bran compatibility in 1985.Zhengzhou Grain College journal report made soy sauce with cottonseed and dregs of beans fermented by mixed bacterium in 1993, and quality product is up to standard.At present, domesticly do not see relevant report as yet for cottonseed kernel protein extraction separation, physicochemical property, functional performance and the research of in spinning industry, using thereof.
Worldwide, along with the raising of progress of science and technology and people's modern life level, consumer groups more pay attention to comfortableness, the feature of environmental protection, the health, functional of clothes.Some enterprises released one after another milk protein fibre and soybean fiber, Zein fibers is just in the industrialization design process.
It is low that cottonseed kernel protein fiber and other thiozell are compared its raw materials cost, and by the full-scale development utilization, resource is not more for the raw material cottonseed meal, and exploitation cottonseed kernel protein fiber has market potential prospect and potential economic benefit.
Summary of the invention
One of the object of the invention provides a kind of industrial cottonseed kernel protein.
Two of the object of the invention provides a kind of preparation method of industrial cottonseed kernel protein.
Three of the object of the invention provides a kind of application of industrial cottonseed kernel protein.
These purposes of the present invention and other purposes will come further to embody and set forth through following detailed description and explanation.
Industrial cottonseed kernel protein of the present invention; Be a kind of khaki color cottonseed protein powder or dark-brown (or black) cottonseed kernel protein solution (concentration is 5-50 quality %); In the cottonseed kernel protein molecule segment, contain its 1530 and 1650 places of aldehyde radical
the obvious characteristic peak is arranged at infrared absorption spectrum (seeing accompanying drawing); Its molecular weight is 100-50000, and further its molecular weight is 500-5000.
The preparation method of industrial cottonseed kernel protein of the present invention comprises the steps:
A, the cottonseed meal powder (is obtained by Oleum Gossypii semen manufacturer; Like the grand international trade limited-liability company of Xinjiang silver) to put in the long-pending ratio 1 of solid-liquid matter: the alcohol solution of the 20-25 of the ratio of 3-9 ℃ 15-55 quality % stirred 0.2-2 hour; Take out after-filtration and remove liquid, solid is subsequent use.
B, subsequent use solid among the A is put in liquid-solid long-pending matter than 5-20: the alkali lye stirring reaction of the 40-60 of 1 ratio ℃ 0.5-5 quality % 2-4 hour; Behind 400 purpose screen cloth elimination solid residues; Obtain the cottonseed kernel protein extracting solution, its cottonseed kernel protein solid content is 3-20 quality %.
C, in B middle cotton benevolence protein extract, add 10-15 quality % technical grade acid solution regulator solution between the iso-electric point PH=3.5-5.5; Obtain the cottonseed kernel protein lye; Leave standstill and remove supernatant, the residue solidliquid mixture with whizzer at 2000-8000r/min, centrifuging under the condition of 2-10min; Remove supernatant, obtain cottonseed kernel protein solid (solid content is 25-55 quality %).The cottonseed kernel protein solid is dried after solid content is 88-95 quality % with baking oven low temperature (45-65 ℃), be crushed to the 10-20 order, promptly obtain khaki cottonseed protein powder with eddy mill.
D or the technical grade acid solution regulator solution that in B middle cotton benevolence protein extract, adds 10-15% are to PH=7; Obtain neutral cottonseed kernel protein liquid; Use spray drying device in temperature out during as 60-90 ℃; Spraying drying obtains khaki cottonseed protein powder, and its fineness is the 50-1000 order, and its water ratio is 10-15 quality %.
E or the massfraction concentration that in the cottonseed kernel protein extracting solution of B, concentrates the final system in back by distillation add the polyamide-based compound of combination modified additive: 0.05-4%; The alginates of 0.05-2%, the fine silica powder of 0.02-1%, the carbonyl amines compound of 0.1-10%; 0.05-2% trimeric cyanamide compounds; In the stirring of rotating speed 300-1000r/min, stirred 0.5-4 hour in the time of temperature 25-65 ℃, mix; And then use vacuum distillation equipment to obtain the cottonseed kernel protein solution of dark-brown (or black) under as 45-65 ℃ condition in underpressure distillation 0.5-6 hour for-0.08--0.098mpa and temperature at pressure, its cottonseed kernel protein concentration is 5-50%.
Among the preparation method of industrial cottonseed kernel protein of the present invention; Described alcohol solution can be one of aqueous solution of terepthaloyl moietie or ethanol or propyl alcohol; Described alkali lye can be one of aqueous sodium hydroxide solution or potassium hydroxide aqueous solution; Described technical grade acid solution can be acetic acid or one of hydrochloric acid or sulphuric acid soln; Described polyamide-based compound can be SEPIGEL 305 or polyvinyl lactam one of; Described alginates can be sodium-alginate or potassium alginate or ammonium alginate one of; Described fine silica powder can be micron silica or submicron order silicon-dioxide or nanometer grade silica one of, described carbonyl amines compound can be carbonyl diamine or sulfo-carbonyl diamine or encircle penta 2 carboxamides one of, described trimeric cyanamide compounds can be guanamine or 6-phenyl guanamine or HMMM one of.
Industrial cottonseed kernel protein of the present invention, structure properties is similar with Sunlover 10, also has biodegradability, can be used as the substitute of industrial Sunlover 10, with other fiber blends or be fit to do industry and use the environmental protection textile materials.
Industrial cottonseed kernel protein of the present invention; Because the routine property of solvent system; Can participate in the blending and pure the spinning of multiple fiber; Wherein more representational be mix with cotton pulp Mierocrystalline cellulose, wood pulp cellulose and bamboo pulp fiber element, grafting, prepare the long filament and the staple fibre of all size through the wet spinning technology spinning.Can improve the bad performance of original fiber.Keep pure and fresh, effectively prevent smell retention clothing, suppress bacterial growth, clean simply degradable behind all product abandonments.The macromolecular chain segment of industry cottonseed kernel protein has natural kindliness, can then can improve the kindliness of fabric with the regenerated fiber blending.
Method raw material of the present invention is easy to get, and production technique is simple, and the residue after the extraction can reuse.And the used raw material cottonseed meal of the present invention has increased the available resources total amount of raw material cottonseed meal to the not restriction of cottonseed kind, and a kind of resourceful available resources newly is provided for industrial plant albumen.And through extracting cottonseed kernel protein and the value added applications in industry; Change cottonseed meal and widely applied the low value-added present condition for application on fertilizer and rudimentary feed; Widened the range of application of cottonseed meal resource; Increase additional value of farm products, had good social benefit and economic benefit.
Fig. 1 is the infrared absorpting light spectra of cottonseed kernel protein of the present invention.
In the present invention, if not refer in particular to, it is the weight unit on basis that all parts, amount are with the gross weight, and all raw materials all can be buied from market.
Exemplifying embodiment described below is in order better to explain the present invention, rather than to the restriction of claim protection domain of the present invention, all belong to the scope that the present invention asks for protection based on the modification and the change of basic thought of the present invention.
Embodiment 1
The aqueous ethanolic solution of 50g cottonseed meal powder being put into 20-25 ℃ the 35 quality % of 200ml stirred 0.4 hour, took out after-filtration and removed liquid, and solid is subsequent use.
Subsequent use solid is put into the caustic lye of soda stirring reaction 2 hours of 40 ℃ the 1 quality % of 400ml, behind 400 purpose screen cloth elimination solid residues, obtained cottonseed kernel protein extracting solution 395ml, its cottonseed kernel protein solid content is 3.5 quality %.
The technical grade sulfuric acid liquid regulator solution that in the cottonseed kernel protein extracting solution, adds 10 quality % is to iso-electric point PH=4; Obtain the cottonseed kernel protein lye; Leave standstill and remove supernatant, the residue solidliquid mixture with whizzer at 2500r/min, centrifuging under the condition of 5min; Remove supernatant, obtain 52g cottonseed kernel protein solid (solid content is 25 quality %).The cottonseed kernel protein solid is dried after solid content is 90 quality % with baking oven low temperature (55 ℃), be crushed to the 10-20 order, obtain the khaki cottonseed protein powder of 15g with eddy mill.
Embodiment 2
The aqueous ethanolic solution of 50g cottonseed meal powder being put into 20-25 ℃ the 40 quality % of 250ml stirred 0.5 hour, took out after-filtration and removed liquid, and solid is subsequent use.
Subsequent use solid is put into the caustic lye of soda stirring reaction 3 hours of 45 ℃ the 3 quality % of 450ml, behind 400 purpose screen cloth elimination solid residues, obtained cottonseed kernel protein extracting solution 450ml, its cottonseed kernel protein solid content is 3 quality %.
The technical grade sulfuric acid liquid regulator solution that in the cottonseed kernel protein extracting solution, adds 10 quality % is to iso-electric point PH=4.5; Obtain the cottonseed kernel protein lye; Leave standstill and remove supernatant, the residue solidliquid mixture with whizzer at 3000r/min, centrifuging under the condition of 7min; Remove supernatant, obtain 50g cottonseed kernel protein solid (solid content is 27 quality %).The cottonseed kernel protein solid is dried after solid content is 92 quality % with baking oven low temperature (60 ℃), be crushed to the 10-20 order, obtain the khaki cottonseed protein powder of 14.7g with eddy mill.
Embodiment 3
The aqueous ethanolic solution of 50g cottonseed meal powder being put into 20-25 ℃ the 35 quality % of 200ml stirred 0.4 hour, took out after-filtration and removed liquid, and solid is subsequent use.
Subsequent use solid is put into the caustic lye of soda stirring reaction 2 hours of 40 ℃ the 1 quality % of 400ml, behind 400 purpose screen cloth elimination solid residues, obtained cottonseed kernel protein extracting solution 395ml, its cottonseed kernel protein solid content is 3.5 quality %.
The technical grade sulfuric acid liquid regulator solution of adding 10% is to PH=7 in the cottonseed kernel protein extracting solution; Obtain neutral cottonseed kernel protein liquid; Use spray drying device when temperature out is 65 ℃; Spraying drying obtains the khaki cottonseed protein powder of 15.9g, and its fineness is the 50-1000 order, and its water ratio is 15 quality %.
Embodiment 4
The aqueous ethanolic solution of 50g cottonseed meal powder being put into 20-25 ℃ the 40 quality % of 250ml stirred 0.5 hour, took out after-filtration and removed liquid, and solid is subsequent use.
Subsequent use solid is put into the caustic lye of soda stirring reaction 3 hours of 45 ℃ the 3 quality % of 450ml, behind 400 purpose screen cloth elimination solid residues, obtained cottonseed kernel protein extracting solution 450ml, its cottonseed kernel protein solid content is 3 quality %.
The technical grade sulfuric acid liquid regulator solution of adding 10% is to PH=7 in the cottonseed kernel protein extracting solution; Obtain neutral cottonseed kernel protein liquid; Use spray drying device when temperature out is 70 ℃; Spraying drying obtains the khaki cottonseed protein powder of 15.3g, and its fineness is the 50-1000 order, and its water ratio is 12 quality %.
Embodiment 5
The aqueous ethanolic solution of 50g cottonseed meal powder being put into 20-25 ℃ the 35 quality % of 200ml stirred 0.4 hour, took out after-filtration and removed liquid, and solid is subsequent use.
Subsequent use solid is put into the caustic lye of soda stirring reaction 2 hours of 40 ℃ the 1 quality % of 400ml, behind 400 purpose screen cloth elimination solid residues, obtained cottonseed kernel protein extracting solution 395ml, its cottonseed kernel protein solid content is 3.5 quality %.
The SEPIGEL 305 that in the cottonseed kernel protein extracting solution, adds 0.04g, the sodium-alginate of 0.04g, the nano silicon of 0.04g; 0.2g carbonyl diamine, 6-phenyl melamine two ammoniums of 0.08g are in the stirring of rotating speed 500r/min; Stirred 2 hours during 40 ℃ of temperature; Mix, and then to use vacuum distillation equipment be that underpressure distillation obtained the dark-brown cottonseed kernel protein solution of 38.6g in 4 hours under 65 ℃ the condition for-0.08--0.098mpa and temperature at pressure that its cottonseed kernel protein concentration is 35 quality %.
Embodiment 6
The alcohol solution of 50g cottonseed meal powder being put into 20-25 ℃ the 40 quality % of 250ml stirred 0.5 hour, took out after-filtration and removed liquid, and solid is subsequent use.
Subsequent use solid is put into the alkali lye stirring reaction 3 hours of 45 ℃ the 3 quality % of 450ml, behind 400 purpose screen cloth elimination solid residues, obtained cottonseed kernel protein extracting solution 450ml, its cottonseed kernel protein solid content is 3 quality %.
The 0.05g polyvinyl lactam that in the cottonseed kernel protein extracting solution, adds; 0.05g potassium alginate, the nano silicon of 0.05g, the sulfo-carbonyl diamine of 0.14g; 0.09g HMMM; In the stirring of rotating speed 700r/min, stirred 1.5 hours during 50 ℃ of temperature, mix; And then to use vacuum distillation equipment be the cottonseed kernel protein solution that underpressure distillation obtained 34g black in 5 hours under 65 ℃ the condition for-0.08--0.098mpa and temperature at pressure, and its cottonseed kernel protein concentration is 40 quality %.
Claims (8)
1. the preparation method of an industrial cottonseed kernel protein is characterized in that comprising the steps:
A, put in solid-liquid matter the cottonseed meal powder long-pending than 1: the alcohol solution of the 20-25 of the ratio of 3-9 ℃ 15-55 quality % stirred 0.2-2 hour, took out after-filtration and removed liquid, and solid is subsequent use;
B, the solid that the A step is obtained are put in liquid-solid long-pending matter than 5-20: the alkali lye stirring reaction of the 40-60 of 1 ratio ℃ 0.5-5 quality % 2-4 hour; Behind 400 purpose screen cloth elimination solid residues; Obtain the cottonseed kernel protein extracting solution, its cottonseed kernel protein solid content is 3-20 quality %;
C, in the cottonseed kernel protein extracting solution that the B step obtains, add 10-15 quality % technical grade acid solution regulator solution between the iso-electric point PH=3.5-5.5; Obtain the cottonseed kernel protein lye, leave standstill and remove supernatant, the residue solidliquid mixture with whizzer at 2000-8000r/min; Centrifuging under the condition of 2-10min; Remove supernatant, obtain the cottonseed kernel protein solid, solid content is 25-55 quality %.With the cottonseed kernel protein solid use baking oven 45-65 ℃ dry solid content as 88-95 quality % after, be crushed to the 10-20 order with eddy mill, promptly obtain khaki cottonseed protein powder.
2. the preparation method of industrial cottonseed kernel protein according to claim 1; It is characterized in that the C step for the technical grade acid solution regulator solution that in the cottonseed kernel protein extracting solution that the B step obtains, adds 10-15% to PH=7; Obtain neutral cottonseed kernel protein liquid, use spray drying device in temperature out during as 60-90 ℃, spraying drying obtains khaki cottonseed protein powder; Its fineness is the 50-1000 order, and its water ratio is 10-15 quality %.
3. the preparation method of industrial cottonseed kernel protein according to claim 1; It is characterized in that the C step is for being the polyamide-based compound that massfraction concentration adds combination modified additive: 0.05-4% by following liquid concentrator end-body in the cottonseed kernel protein extracting solution that the B step obtains; The alginates of 0.05-2%, the fine silica powder of 0.02-1%, the carbonyl amines compound of 0.1-10%; 0.05-2% trimeric cyanamide compounds; In the stirring of rotating speed 300-1000r/min, stirred 0.5-4 hour in the time of temperature 25-65 ℃, mix; And then use vacuum distillation equipment to obtain the cottonseed kernel protein solution of dark-brown (or black) under as 45-65 ℃ condition in underpressure distillation 0.5-6 hour for-0.08--0.098mpa and temperature at pressure, its cottonseed kernel protein concentration is 5-50 quality %.
4. according to the preparation method of one of claim 1-3 described industrial cottonseed kernel protein; It is characterized in that described alcohol solution is one of aqueous solution of terepthaloyl moietie or ethanol or propyl alcohol; Described alkali lye is one of aqueous sodium hydroxide solution or potassium hydroxide aqueous solution, and described technical grade acid solution is acetic acid or one of hydrochloric acid or sulphuric acid soln.
5. according to the preparation method of one of claim 1-3 described industrial cottonseed kernel protein; It is characterized in that described polyamide-based compound be SEPIGEL 305 or polyvinyl lactam one of; Described alginates be sodium-alginate or potassium alginate or ammonium alginate one of; Described fine silica powder be micron silica or submicron order silicon-dioxide or nanometer grade silica one of; Described carbonyl amines compound be carbonyl diamine or sulfo-carbonyl diamine or encircle penta 2 carboxamides one of, described trimeric cyanamide compounds be guanamine or 6-phenyl guanamine or HMMM one of.
6. according to the prepared industrial cottonseed kernel protein of one of claim 1-5; It is characterized in that it being that the concentration of a kind of khaki color cottonseed protein powder or dark-brown or black is the cottonseed kernel protein solution of 5-50 quality %; In the cottonseed kernel protein molecule segment, containing its 1530 and 1650 places at infrared absorption spectrum of aldehyde radical
has the obvious characteristic peak, and its molecular weight is 100-50000.
7. industrial cottonseed kernel protein according to claim 6 is characterized in that its molecular weight is 500-5000.
8. according to the application of claim 6 or 7 described industrial cottonseed kernel proteins, it is characterized in that it has biodegradability, can be used as the substitute of industrial Sunlover 10, with other fiber blends or be fit to do industry and use the environmental protection textile materials.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103461645A (en) * | 2013-08-29 | 2013-12-25 | 石河子市天成油脂有限公司 | Preparation method of cottonseed protein |
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- 2011-10-31 CN CN201110335444.7A patent/CN102372763B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4332719A (en) * | 1980-05-27 | 1982-06-01 | Texas A&M University | Method and apparatus for isolating protein from glandless cottonseed |
| JPH0568488A (en) * | 1991-09-13 | 1993-03-23 | Kao Corp | Production of protein derived from oilseed |
| CN1944608A (en) * | 2005-08-19 | 2007-04-11 | 武汉工业学院 | Method for separately leaching out low temperature pressed cotton seed kernel cake with No.6 solvent oil and ethynol |
| CN1932090A (en) * | 2006-09-12 | 2007-03-21 | 太原市伦嘉生物工程科技有限公司 | Functional protein fiber and color cotton fabric and their production process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103461645A (en) * | 2013-08-29 | 2013-12-25 | 石河子市天成油脂有限公司 | Preparation method of cottonseed protein |
| CN103461645B (en) * | 2013-08-29 | 2015-04-22 | 石河子市天成油脂有限公司 | Preparation method of cottonseed protein |
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