CN101695355A - Method for performing detoxification treatment on sesbania seed powder by extrusion technology - Google Patents
Method for performing detoxification treatment on sesbania seed powder by extrusion technology Download PDFInfo
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- CN101695355A CN101695355A CN200910035586A CN200910035586A CN101695355A CN 101695355 A CN101695355 A CN 101695355A CN 200910035586 A CN200910035586 A CN 200910035586A CN 200910035586 A CN200910035586 A CN 200910035586A CN 101695355 A CN101695355 A CN 101695355A
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- sesbania
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Abstract
The invention discloses a method for performing detoxification treatment on sesbania seed powder by extrusion technology, which relates to the technical field of extrusion application. The method takes sesbania seed powder after gum extraction as a raw material to obtain detoxificated sesbania seed powder through high-temperature, high-pressure and high-shear actions in a cavity of an extruder and a chemical reaction with an additive through working procedures, such as conditioning, extrusion, cooling and the like. The detection shows that the content of alkaloid in the sesbania seed powder can be reduced to be less than 0.300 percent after extrusion detoxification, and the digestibility of prolease can be improved to over 85.0 percent; therefore, the detoxificated sesbania seed powder can be properly added into feeds to substitute for part of other protein feeds.
Description
Technical field
A kind of with the method for extrusion technique to sesbania seed powder detoxification treatment, relate to technical field of extrusion application.
Background technology
Sesbania is annual legume, mainly originates in ground such as Fujian, Zhejiang, Jiangsu, Taiwan, Guangdong, Henan, Hebei, aboundresources.The sesbania seed extracts endosperm through being processed into sesbania gum, and remaining all is sesbania seed powder, probably accounts for 70%～80% of total amount.The protein content of sesbania seed powder is about 40%, and amino acid levels is better than cotton vegetable seed, is the feed protein resource that the utmost point has DEVELOPMENT PROSPECT, but undressed sesbania seed powder can not directly be used as animal and fowl fodder owing to contain a small amount of toxicant.As after steaming processing such as stir-fry, heating, acid hydrolysis, becoming the livestock and poultry protein feed source of high-quality.Taiwan's scholars is researched and analysed the content of thinking that handling in the sesbania seed powder of back mainly is alkaloid, rubbing matter etc. great changes has been taken place, and noxious material is probably just in this class material.But the amino acid that causes that said method has excessively destroys, and the nutrient loss that has is serious, and what have influences palatability, and what have must discharge a large amount of waste liquids.Therefore be badly in need of finding a kind of effectively detoxification, can keep original nutritional labeling again, and the method for suitable large-scale industrial production, make sesbania seed powder resource obtain rationally utilizing fully.
Summary of the invention
The object of the invention provides a kind of with the method for extrusion technique to sesbania seed powder detoxification treatment, with the sesbania seed powder carried behind the glue is raw material, by the high temperature in the extruder chamber, high pressure and high shear forces and and the chemical reaction of additive, prepare detoxification sesbania seed powder through operations such as modified, extruding, coolings.After testing, after the extruding detoxification in the sesbania seed powder alkaloid can be reduced to 0.300%, the protease digestion rate can be increased to more than 85%.Therefore can be added in right amount and substitute other protein feeds of part in the feed, alleviate protein feed resource contradiction in short supply, thereby have practical application meaning preferably.
Technical scheme of the present invention: a kind of with the method for extrusion technique to sesbania seed powder detoxification treatment, with the sesbania seed powder carried behind the glue is raw material, by the high temperature in the extruder chamber, high pressure and high shear forces and and the chemical reaction of additive, prepare detoxification sesbania seed powder through modified, extruding and refrigerating work procedure; Process conditions are:
(1) modified: with the sesbania seed powder carried behind the glue is raw material, and quality-adjusting device is single shaft or double-shaft paddle formula, and length 1.2～1.8m adds the water of raw material weight 10%～15%, adds raw material weight 0.4%～0.8%, concentration is the Na of 2mol/L
2SO
3Solution carries out modified;
(2) extruding: the material after modified is through list or twin (double) screw extruder extruding, and draw ratio is 12～18: 1,60～90 rev/mins of screw speeds, outlet die throat diameter φ 2.0～4.0mm, 150～170 ℃ of outlet temperature controls;
(3) cooling: the material after the extruding cools off in horizontal cooler, cool time 15～25min, the moisture of cooling back material is controlled at 11%～13%.
Beneficial effect of the present invention: with the sesbania seed powder carried behind the glue is raw material, by extrusion technique sesbania seed powder is carried out detoxification treatment.After testing, after the extruding detoxification in the sesbania seed powder alkaloid can be reduced to below 0.300%, the protease digestion rate can be increased to more than 85.0%.Thereby can be added in right amount in the feed to substitute other protein feeds.Methods such as modified, extruding of adopting in the whole production technology and cooling are all conventional processing method, and stable operation is fit to the method for large-scale industrial production, makes sesbania seed powder resource obtain rationally utilizing fully.
The specific embodiment
Embodiment 1
Raw material and additive: carry the sesbania seed powder (after testing, alkaloid is 1.896%, protease digestion rate 61.9%) behind the glue, Na
2SO
3(concentration is 2mol/L).Processing technology: (quality-adjusting device is the double-shaft paddle formula, and length 1.2m adds the Na of sesbania seed opaque amount 15% water and 0.4% through modified
2SO
3(concentration is 2mol/L), extruding (twin (double) screw extruder, draw ratio is 18: 1, outlet die throat diameter φ 2.0mm, outlet temperature is 170 ℃), the cooling (horizontal cooler, cool time 25min, cooling back moisture is 12.1%) make product, alkaloid is 0.282% in the product after testing, the protease digestion rate is 86.5%.Feeding experiment shows, adds sesbania seed powder after 8% the extruding in growth pig later stage feed the growth of pig is had no adverse effects.
Embodiment 2
Raw material and additive: carry the sesbania seed powder (after testing, alkaloid is 1.896%, protease digestion rate 61.9%) behind the glue, Na
2SO
3(concentration is 2mol/L).Processing technology: (quality-adjusting device is the single shaft oar blade type, and length 1.8m adds the Na of sesbania seed opaque amount 10% water and 0.8% through modified
2SO
3(concentration is 2mol/L), extruding (single-screw extrusion machine, draw ratio is 12: 1, outlet die throat diameter φ 4.0mm, outlet temperature is 150 ℃), the cooling (horizontal cooler, cool time 15min, cooling back moisture is 12.5%) make product, alkaloid is 0.291% in the product after testing, the protease digestion rate is 85.9%.Feeding experiment shows, adds sesbania seed powder after 8% the extruding in growth pig later stage feed the growth of pig is had no adverse effects.
Claims (1)
1. one kind with the method for extrusion technique to sesbania seed powder detoxification treatment, it is characterized in that the sesbania seed powder to carry behind the glue is a raw material, by the high temperature in the extruder chamber, high pressure and high shear forces and and the chemical reaction of additive, prepare detoxification sesbania seed powder through modified, extruding and refrigerating work procedure; Process conditions are:
(1) modified: with the sesbania seed powder carried behind the glue is raw material, and quality-adjusting device is single shaft or double-shaft paddle formula, and length 1.2～1.8m adds the water of raw material weight 10%～15%, adds raw material weight 0.4%～0.8%, concentration is the Na of 2mol/L
2SO
3Solution carries out modified;
(2) extruding: the material after modified is through list or twin (double) screw extruder extruding, and draw ratio is 12～18: 1, and screw speed is at 60～90 rev/mins, and the outlet die throat diameter is φ 2.0～4.0mm, and outlet temperature is controlled at 150～170 ℃;
(3) cooling: the material after the extruding cools off in horizontal cooler, cool time 15～25min, the moisture of cooling back material is controlled at 11%～13%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910035586A CN101695355A (en) | 2009-09-27 | 2009-09-27 | Method for performing detoxification treatment on sesbania seed powder by extrusion technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910035586A CN101695355A (en) | 2009-09-27 | 2009-09-27 | Method for performing detoxification treatment on sesbania seed powder by extrusion technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101695355A true CN101695355A (en) | 2010-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910035586A Pending CN101695355A (en) | 2009-09-27 | 2009-09-27 | Method for performing detoxification treatment on sesbania seed powder by extrusion technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907628A (en) * | 2012-11-08 | 2013-02-06 | 四川大学 | Method for detoxifying jatropha curcas cakes |
-
2009
- 2009-09-27 CN CN200910035586A patent/CN101695355A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907628A (en) * | 2012-11-08 | 2013-02-06 | 四川大学 | Method for detoxifying jatropha curcas cakes |
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Open date: 20100421 |