CN1089618A - To produce the method for vegetable-protein in the cottonseed cake - Google Patents
To produce the method for vegetable-protein in the cottonseed cake Download PDFInfo
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- CN1089618A CN1089618A CN 93110256 CN93110256A CN1089618A CN 1089618 A CN1089618 A CN 1089618A CN 93110256 CN93110256 CN 93110256 CN 93110256 A CN93110256 A CN 93110256A CN 1089618 A CN1089618 A CN 1089618A
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- cottonseed cake
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Abstract
A kind of method of extracting plant protein from cottonseed cake is to stir boiling under normal pressure, and best boiling temperature is 40～70 ℃, and stirring velocity is 130～180 rev/mins.The rough protein that extracts can obtain feed protein after handling with sodium hydrogen carbonate solution again.This method is with short production cycle, and proteinic extraction yield height is with low cost, for the comprehensive utilization of cottonseed cake provides a new way.
Description
The present invention is relevant with the preparation technique of vegetable-protein, more specifically says so about extract the improvement of vegetable-protein technology from cottonseed cake.
Here said grouts are meant some residues that stay in the daily production vegetables oil, are commonly referred to soya-bean cake, peanut cake, cotton seed cake or the like, contain rich in protein in these grouts.Extract the protein in the grouts, prior art has, leaching method, microbe fermentation method and mixed solvent extraction method.The leaching method is at room temperature to soak 24 hours with alkaline aqueous solution, and saltouing through separation obtains crude protein.This method soak time is long, and the hygienic quality that protein vulnerable to pollution, especially summer are difficult to guarantee product can extract 33 jin of albumen in per 100 jin of cotton seed cakes.Microbe fermentation method owing to adopted microbial fermentation, improves extraction rate of protein (reaching 35%), but still there is the defective of production cycle long (at every turn needing fermentation 24 hours) in it, and floor space is big, the Winter protection difficulty.The mixed solvent extraction method, generally be with solvent oil and alcohol mixed solvent as extracting solvent, this method cost height, investment are big, and solvent is inflammable and explosive, produces dangerous.Above several method environmental pollution is all bigger.
The object of the present invention is to provide a kind of with low cost, vegetable-protein extracting method that extraction yield is high, with short production cycle.
Solution of the present invention is with the albumen in a kind of cooking process extraction cottonseed cake, obtains purified food protein through saltouing, making with extra care thereafter.Concrete grammar is: cottonseed cake is pulverized.Add a certain amount of water, regulate solution ph to 9～10, then hot digestion, and constantly stirring, the vegetable-protein after a hour in the cottonseed cake can dissolve in the water.Centrifugation goes out residue can send to the production organic fertilizer, and extracting solution then through overregulating pH value, salts out rough albumen, uses sodium hydrogen carbonate solution through further refining again, obtains pure calpastatin matter after the processing.
An important feature of the present invention is that proteic boiling leaching process is to carry out in an enamel reactor in the said boiling extraction cottonseed cake.Its working pressure is that normal pressure is 40～120 ℃ to 0.3923MPa boiling extraction temperature, and required cooking time is relevant with working pressure and boiling extraction temperature.According to experimental result of the present invention, be preferably in and carry out the low temperature boiling extraction under the normal pressure, boiling is extracted temperature and is controlled at 40～70 ℃.At this moment energy consumption is low, produces saferly, and facility investment more economizes, and stirs and also can promote proteic extraction rate, and in the present invention, stirring velocity is controlled at about 130-180 rev/min usually.Extract vegetable-protein with this method from cottonseed cake, extraction efficiency is very high, and it is 1/24th of prior art that every batch production cycle has only 1 to 1.5 hours.
The invention will be further described to use a concrete instance below again.100 kilograms of cottonseed cakes that crush, drop in the enamel reaction still, add 300 kilograms water, regulate pH=9～10 with alkali, under agitation carry out atmospheric cooking, boiling temperature is 70 ℃.After the boiling 1 hour, in whizzer, separate residue.The extraction slag of telling can be sent to and further be processed into organic fertilizer.Extracting solution is by regulating pH to 4～4.5, precipitate 30 minutes centrifugal, separate the protein that water obtains and use 10%NaHCO again
3After regulating pH to 7～8 processing, centrifugation, drying can obtain 35 kilograms of crude protein, and wherein protein content is more than 70%.
The crude protein that extracts with boiling method of the present invention, through assay such as following table:
| Project | Protein-fat-moisture gossypol | |||
| Content (%) | 70 10 8 ≤0.02 | |||
Require gross protein value according to the GB10378-89 feed with cottonseed cake, first grade is 〉=40%, in addition according to GB2716-81 edible vegetable oil hygienic standard, wherein edible Oleum Gossypii semen requires free gossypol content to answer≤0.02%, therefore, the crude protein that the present invention extracts can be used as feedstuff protein fully and uses, from SC118～83 fish meal standards, its protein content of fish meal of using as feed requires to be not less than the 55%(first grade), so the protein that the present invention extracts from cottonseed cake can be used as the feed Substitutes for fishmeal fully.
Advantage of the present invention is clearly.With boiling extraction method provided by the invention, particularly the low temperature boiling extracting method extracts the vegetable-protein in the cottonseed cake, energy consumption is low, and is with short production cycle, low equipment investment, production cost is low, production efficiency height, and non-environmental-pollution have improved the production operation environment greatly, also improved the hygienic quality of product, for the comprehensive utilization of cottonseed cake provides a kind of new way.
With several embodiment operational condition of the present invention is described further again below, is not confined to certainly among these several examples.
Claims (6)
1, a kind of production method of from cottonseed cake, producing vegetable-protein, process such as comprise extraction, saltout, make with extra care, it is characterized in that said extracting method is with the albumen in the cooking process extraction cottonseed cake, obtain purified albumen through saltouing, making with extra care thereafter, concrete steps are:
A) pulverize cottonseed cake, drop in the extractor, add water and mix adjusting pH to 9～10, back;
B) protein in the cottonseed cake is extracted in boiling in extractor under elevated temperature, stirring;
C) centrifugation residue;
D) the pH value of adjusting extracting solution is produced crude protein;
E) crude protein is made with extra care with sodium bicarbonate aqueous solution.
2, according to the described production method of claim 1, it is characterized in that said extraction method in operation steps (b), its working pressure is that normal pressure is to 0.3923MPa
3, according to the described production method of claim 1, it is characterized in that said extraction method in operation steps (b), it extracts temperature is 40～120 ℃.
4, according to claim 1,2 described production methods, it is characterized in that said extraction method in the operation steps (b), its working pressure is a normal pressure.
5,, it is characterized in that said extraction temperature is 40～70 ℃ in the operation steps (b) according to claim 1,3 described production methods.
6,, it is characterized in that said stirring velocity is 130～180 rev/mins according to the described production method of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93110256 CN1089618A (en) | 1993-01-19 | 1993-01-19 | To produce the method for vegetable-protein in the cottonseed cake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93110256 CN1089618A (en) | 1993-01-19 | 1993-01-19 | To produce the method for vegetable-protein in the cottonseed cake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1089618A true CN1089618A (en) | 1994-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93110256 Pending CN1089618A (en) | 1993-01-19 | 1993-01-19 | To produce the method for vegetable-protein in the cottonseed cake |
Country Status (1)
| Country | Link |
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| CN (1) | CN1089618A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064370C (en) * | 1994-10-22 | 2001-04-11 | 王崴 | Extraction method and application of plant protein |
| CN1121146C (en) * | 1998-05-12 | 2003-09-17 | 熊军功 | Foliar protein preparing method with lumaychs hybrid garden sorrel method and its product |
| CN1908007B (en) * | 2006-08-07 | 2010-06-16 | 中国科学院植物研究所 | Extraction method of plant total protein and special extract for the same |
| CN102433020A (en) * | 2011-12-21 | 2012-05-02 | 晨光生物科技集团股份有限公司 | Method for preparing natural brown pigment from cotton seeds |
-
1993
- 1993-01-19 CN CN 93110256 patent/CN1089618A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064370C (en) * | 1994-10-22 | 2001-04-11 | 王崴 | Extraction method and application of plant protein |
| CN1121146C (en) * | 1998-05-12 | 2003-09-17 | 熊军功 | Foliar protein preparing method with lumaychs hybrid garden sorrel method and its product |
| CN1908007B (en) * | 2006-08-07 | 2010-06-16 | 中国科学院植物研究所 | Extraction method of plant total protein and special extract for the same |
| CN102433020A (en) * | 2011-12-21 | 2012-05-02 | 晨光生物科技集团股份有限公司 | Method for preparing natural brown pigment from cotton seeds |
| CN102433020B (en) * | 2011-12-21 | 2013-11-06 | 晨光生物科技集团股份有限公司 | Method for preparing natural brown pigment from cotton seeds |
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