CN103931871B - The preparation method of the Cottonseed Meal albumen powder of phenol falls in a kind of high-voltage corona electric field - Google Patents
The preparation method of the Cottonseed Meal albumen powder of phenol falls in a kind of high-voltage corona electric field Download PDFInfo
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- CN103931871B CN103931871B CN201410187748.7A CN201410187748A CN103931871B CN 103931871 B CN103931871 B CN 103931871B CN 201410187748 A CN201410187748 A CN 201410187748A CN 103931871 B CN103931871 B CN 103931871B
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Abstract
The invention discloses the </b> preparation method that the Cottonseed Meal albumen powder <b> of phenol falls in a kind of high-voltage corona electric field, its step: (1) adopts cotton cake dregs, is pulverized by cotton cake dregs; (2) cotton cake dregs sieved is added water with the weight ratio of 1:0.8-1, after infiltration, add the cellulase of cotton cake dregs weight 0.08%-0.12% and the hemicellulase of 0.05%-0.1%, mix, temperature control 50-60 DEG C, temperature retention time 10.0-14.0h; (3) high-tension electricity cotton cake dregs powder of enzymolysis being positioned over 2.5-20.0 ten thousand volts is had stage fright middle 8.0-16.0h, the thickness of cotton cake dregs is 5-20mm, spray-dried again: mist flow 20-30mL/min, feeding temperature 36-41 DEG C, EAT 160-190 DEG C, obtain cotton cake dregs albumen powder.Easy to implement the method, easy and simple to handle, cotton cake dregs albumen powder prepared by the method, it has, and cost is low, effective, without other Substances Pollution, after measured, the cotton cake dregs albumen powder Free Gossypol content after detoxification is below 0.04%.
Description
Technical field
The invention belongs to food processing field, more specifically relate to the Cottonseed Meal albumen powder that phenol falls in a kind of high-voltage corona electric field
'spreparation method.
Background technology
Cotton cake dregs is the accessory substance after cottonseed oil expression.The accessory substance that cottonseed gets oil after shelling claims cottonseed cake, the dregs of rice, and the title cake after oil is got in squeezing, squeezes the title dregs of rice after lixiviate or derect seething in advance.In cotton cake dregs, crude protein content is 20-44%, crude fat is 1-7%, crude fibre is 10-20%, cinder is divided into 5-8%, free gossypol to be 1.0-4.8%, and cottonseed protein is being bordering on soybean protein qualitatively, nutritive value is also high than grain protein, have essential amino acid in 8, especially lysine content is up to 6%.At present, China's cottonseed annual production, more than 8,000,000 tons, produces cotton cake dregs more than 4,000,000 tons per year.But containing gossypol in cotton cake dregs, its Free Gossypol is toxic, this significantly limit its application on food, feed.
For the detoxification of cotton cake dregs, carried out large quantifier elimination both at home and abroad, poison-removing method is mainly divided into physics detoxicity method, chemical passivation method, extraction method and biological detoxication method.Chemical passivation method is by forming bound gossoypol with substance reactions such as protein, amino acid, phosphatide, ferrous sulfate mostly, or add alkali and generate salt, thus detoxification, although this method can detoxification, but also cause the loss of nutriment, corrosivity can be produced to equipment with alkali.Extraction method meeting residual organic solvent, cotton cake dregs has peculiar smell.Biological fermentation process detoxification, shortcoming is long processing period, and cost is higher.
Find by retrieving domestic and international prior art, the point discharge of also not having stage fright with high-tension electricity is at present to the bibliographical information of cotton cake dregs detoxification.
Summary of the invention
In view of the deficiencies in the prior art, the present invention seeks to there are provided the cotton cake dregs albumen powder that phenol falls in a kind of high-voltage corona electric field
'spreparation method, easy to implement the method, easy and simple to handle, cotton cake dregs albumen powder prepared by the method, it has, and cost is low, effective, without other Substances Pollution, after measured, the cotton cake dregs albumen powder Free Gossypol content after detoxification is below 0.04%.
In order to realize object of the present invention, the present invention adopts following technical measures:
A preparation method for the Cottonseed Meal albumen powder of phenol falls in high-voltage corona electric field, and its step is as follows:
(1) adopt cotton cake dregs, cotton cake dregs is crushed to by 100-140 mesh sieve;
(2) cotton cake dregs sieved is added water with the weight ratio of 1:0.8-1, after infiltrating 3.0-5.0h, add the cellulase (20,000 u/g) of cotton cake dregs weight 0.08%-0.12% and hemicellulase (200,000 u/g of 0.05%-0.1%, effectively raise the digestibility of Cottonseed Meal albumen), mix, temperature control 50-60 DEG C, temperature retention time 10.0-14.0h;
Described cellulase, one that is made up of multiple hydrolase complicated enzyme system, a lot of fungi of occurring in nature can eccrine fiber element enzyme.Traditionally, cellulase is divided into three classes: C1 enzyme, Cx enzyme and β glucosidase.C1 enzyme is the enzyme worked at first to cellulose, destroys the crystalline texture of cellulose chain.Cx enzyme be act on through C1 enzyme activation cellulose, decompose the cellulase of β-Isosorbide-5-Nitrae-glycosidic bond.Cellobiose, cellotriose and other low molecule cellodextrins can be decomposed into glucose by β glucosidase.
Described hemicellulase, main and pectase and cellulase share and can make citrus juice clarification; For the treatment of coffee bean, the recovery rate of coffee can be improved; Paper pulp is bleached and obtains high purity cellulose slurry.In process discarded object, use hemicellulase can be converted into unicellular, ethanol or other utility by essential fibrous material biology.Hemicellulase comprises zytase, arabogalactan enzyme, xyloglucanase enzymes, and a kind of or 2 to 4 kinds the arbitrary proportion in mannase forms.
(3) high-tension electricity cotton cake dregs powder of enzymolysis being positioned over 2.5-20.0 ten thousand volts is had stage fright middle 8.0-16.0h, the thickness of cotton cake dregs is 5-20mm, again spray-dried (mist flow 20-30mL/min, feeding temperature 36-41 DEG C, EAT 160-190 DEG C), cotton cake dregs albumen powder is obtained.
The preparation method of the cotton cake dregs albumen powder of phenol falls in described high-voltage corona electric field, wherein the device of the corona field described in step (2) is as follows: corona is for closing electric field, the inside is made up of wire netting, metal wire, metal discharge pin and base plate, the wire netting being parallel to ground is made up of the equally spaced metal wire be parallel to each other, spacing is 60-80mm, every wires is connected with equally spaced metal discharge pin vertically downward, spacing is also 60-80mm, base plate is metallic plate, is 70-160mm from wire netting spacing.(describing the device that those of ordinary skill in the art all can prepare high-voltage corona electric field according to this)
Described high-voltage corona electric field asks for an interview University of the Inner Mongol's journal, volume the 5th phase September the 40th in 2009 (research of high-pressure corona field flash-over characteristic).
Compared with prior art, the cotton cake dregs albumen powder tool that the present invention relates to has the following advantages and progress significantly:
(1) after cotton cake dregs is pulverized, add cellulase and hemicellulase, cellulose substances is degraded to Small molecular monose that body is easy to digest and assimilate and oligosaccharides, makes soluble sugar content account for 94% of total sugar content, improves palatability and the digestibility of cotton cake dregs albumen powder.
(2) by the point discharge process of the metal discharge pin of high-voltage corona electric field, higher voltage long duration of action is in cotton cake dregs particle, the percentage composition of free gossypol is made to drop to less than 0.039%, also destroy the molecular structure of gossypol simultaneously, thus make free gossypol loss of activity, reach the effect of detoxification, compare other cotton cake dregs detoxification technologies, cost is low, effective, does not affect the local flavor of cotton cake dregs, also can not bring other impurity.
Detailed description of the invention
Be below specific embodiments of the invention, technical scheme of the present invention is done to describing further, but protection scope of the present invention be not limited to these embodiments.Every do not deviate from the present invention's design change or equivalent substituting include within protection scope of the present invention.
embodiment 1:
A preparation method for the Cottonseed Meal albumen powder of phenol falls in high-voltage corona electric field, and its step is as follows:
(1) cotton cake dregs is crushed to by 100 or 110 or 120 or 130 or 140 mesh sieves;
(2) get the cotton cake dregs 1kg sieved, add water 0.8kg, and after infiltrating 3.0h, add cellulase 0.8g, hemicellulase 0.5g, mix, temperature controls 50 DEG C, temperature retention time 10.0h.
(3) high-tension electricity that the cotton cake dregs of enzymolysis is positioned over 4.0 ten thousand volts is had stage fright middle 9.0h, the thickness of cotton cake dregs is 10mm, wherein, the spacing of the metal wire be parallel to each other is 70mm, the spacing of the metal discharge pin vertically downward that every wires connects is 70mm, and base plate is 110mm with the spacing from wire netting, and the cotton cake dregs after detoxification pulverized 100 sieves, again spray-dried (mist flow 20mL/min, feeding temperature 36 DEG C, EAT 160 DEG C), cotton cake dregs albumen powder is obtained.
embodiment 2:
The Cottonseed Meal albumen powder of phenol falls in a kind of high-voltage corona electric field
'spreparation method, its step is as follows:
(1) cotton cake dregs, pulverizes, and crosses 100 mesh sieves.
(2) get the cotton cake dregs powder 1kg by 100 mesh sieves, add water 0.9kg, and after infiltrating 3.5h, add cellulase 1.0g, hemicellulase 0.75g, mix, temperature controls 55 DEG C, insulation 11.0h.
(3) cotton cake dregs of enzymolysis is positioned over 5.0 ten thousand volts of high-tension electricities and has stage fright middle 11.0h, the thickness of cotton cake dregs is 10mm, wherein, the spacing of the metal wire be parallel to each other is 70mm, the spacing of the metal discharge pin vertically downward that every wires connects is 70mm, base plate is 110mm with the spacing from wire netting, and the cotton cake dregs after detoxification spray-dried (mist flow 20mL/min, feeding temperature 38 DEG C, EAT 170 DEG C), obtains cotton cake dregs albumen powder.
Other implementation step is identical with embodiment 1.
embodiment 3:
The Cottonseed Meal albumen powder of phenol falls in a kind of high-voltage corona electric field
'spreparation method, its step is as follows:
(1) get cotton cake dregs, pulverize, cross 100 mesh sieves.
(2) get the cotton cake dregs powder 1kg by 100 mesh sieves, add water 1kg, and after infiltrating 4.0h, add cellulase 1.2g, hemicellulase 0.9g, mix, temperature controls 57 DEG C, insulation 13.0h.
(3) cotton cake dregs of enzymolysis is positioned over 10.0 ten thousand volts of high-tension electricities and has stage fright middle 12.0h, the thickness of cotton cake dregs is 10mm, wherein, the spacing of the metal wire be parallel to each other is 70mm, the spacing of the metal discharge pin vertically downward that every wires connects is 70mm, base plate is 110mm with the spacing from wire netting, and the cotton cake dregs after detoxification spray-dried (mist flow 25mL/min, feeding temperature 36 DEG C, EAT 190 DEG C), obtains cotton cake dregs albumen powder.
Other implementation step is identical with embodiment 1.
embodiment 4:
The Cottonseed Meal albumen powder of phenol falls in a kind of high-voltage corona electric field
'spreparation method, its step is as follows:
(1) get cotton cake dregs, pulverize, cross 100 mesh sieves.
(2) get the cotton cake dregs powder 1kg by 100 mesh sieves, add water 1kg, and after infiltrating 4.0h, add cellulase 1.2g, hemicellulase 1.2g, mix, temperature controls 55 DEG C, insulation 14.0h.
(3) cotton cake dregs of enzymolysis is positioned over 15.0 ten thousand volts of high-tension electricities and has stage fright middle 15.0h, the thickness of cotton cake dregs is 10mm, wherein, the spacing of the metal wire be parallel to each other is 70mm, the spacing of the metal discharge pin vertically downward that every wires connects is 70mm, and base plate is 110mm with the spacing from wire netting.Cotton cake dregs after detoxification spray-dried (mist flow 30mL/min, feeding temperature 40 DEG C, EAT 180 DEG C), obtains cotton cake dregs albumen powder.
Other implementation step is identical with embodiment 1.
For the cotton cake dregs albumen powder obtained in above 4 embodiments, detect free gossypol content, crude protein content and crude fiber content wherein, result is as shown in the table:
| Item Ingredients | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Crude protein content (%) | 34.65 | 34.39 | 33.95 | 34.57 |
| Crude fiber content (%) | 1.53 | 1.06 | 1.04 | 0.63 |
| Free gossypol content (%) | 0.039 | 0.028 | 0.021 | 0.011 |
Claims (1)
1. a preparation method for the Cottonseed Meal albumen powder of phenol falls in high-voltage corona electric field, the steps include:
(1) adopt cotton cake dregs, cotton cake dregs is crushed to by 100-140 mesh sieve;
(2) cotton cake dregs sieved is added water with the weight ratio of 1:0.8-1, after infiltrating 3.0-5.0h, add the cellulase of cotton cake dregs weight 0.08%-0.12% and the hemicellulase of 0.05%-0.1%, mix, temperature control 50-60 DEG C, temperature retention time 10.0-14.0h;
(3) high-tension electricity cotton cake dregs powder of enzymolysis being positioned over 2.5-20.0 ten thousand volts is had stage fright middle 8.0-16.0h, the thickness of cotton cake dregs is 5-20mm, spray-dried again: mist flow 20-30mL/min, feeding temperature 36-41 DEG C, EAT 160-190 DEG C, obtain cotton cake dregs albumen powder;
Described high-tension electricity is had stage fright and to be made up of wire netting, metal wire, metal discharge pin and base plate, corona is for closing electric field, the wire netting being parallel to ground is made up of the equally spaced metal wire of the 60-80mm be parallel to each other, every wires is connected with the equally spaced metal discharge pin of 60-80mm vertically downward, base plate is metallic plate, and base plate is 70-160mm from wire netting spacing.
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|---|---|---|---|
| CN201410187748.7A CN103931871B (en) | 2014-05-06 | 2014-05-06 | The preparation method of the Cottonseed Meal albumen powder of phenol falls in a kind of high-voltage corona electric field |
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| CN201410187748.7A CN103931871B (en) | 2014-05-06 | 2014-05-06 | The preparation method of the Cottonseed Meal albumen powder of phenol falls in a kind of high-voltage corona electric field |
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Citations (4)
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| CN1036315A (en) * | 1988-12-22 | 1989-10-18 | 赵五一 | Use the technology and the equipment of parallel-plate electric field and corona field fresh-keeping foodstuff successively |
| EP0884524A2 (en) * | 1997-05-05 | 1998-12-16 | Bendixen Neon ApS | A device for lighting and use of such device |
| CN102550794A (en) * | 2012-01-06 | 2012-07-11 | 湖北工业大学 | Method for extracting cottonseed protein from cottonseed meal |
| CN102746938A (en) * | 2012-07-14 | 2012-10-24 | 中国农业科学院油料作物研究所 | Method for preparing grease and protein from oil seed kernels by aqueous enzymatic method |
-
2014
- 2014-05-06 CN CN201410187748.7A patent/CN103931871B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036315A (en) * | 1988-12-22 | 1989-10-18 | 赵五一 | Use the technology and the equipment of parallel-plate electric field and corona field fresh-keeping foodstuff successively |
| EP0884524A2 (en) * | 1997-05-05 | 1998-12-16 | Bendixen Neon ApS | A device for lighting and use of such device |
| CN102550794A (en) * | 2012-01-06 | 2012-07-11 | 湖北工业大学 | Method for extracting cottonseed protein from cottonseed meal |
| CN102746938A (en) * | 2012-07-14 | 2012-10-24 | 中国农业科学院油料作物研究所 | Method for preparing grease and protein from oil seed kernels by aqueous enzymatic method |
Non-Patent Citations (3)
| Title |
|---|
| 低毒棉籽粕生物法提取无毒棉籽蛋白的研究;官庭辉;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20110815(第8期);B018-66 * |
| 油料加工和综合利用技术研究进展;邓乾春;《中国农业科技导报》;20111015;第26-36页 * |
| 高压电晕电场放电特性的研究;许潇 等;《内蒙古大学学报（自然科学版）》;20090915;第600-604页 * |
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