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Method for performing detoxification treatment on sesbania seed powder by extrusion technology

A technology of seed meal and technology, applied in application, food science, animal feed, etc., can solve the problems of loss of nutrients, destruction of amino acids, affecting palatability, etc., and achieve the effect of stable operation and reasonable and full utilization

Inactive Publication Date: 2010-04-21
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some of the above methods cause excessive damage to amino acids, some have serious loss of nutrients, some affect palatability, and some have to discharge a large amount of waste liquid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Raw materials and additives: Sesbania seed powder after extraction (tested, alkaloid content 1.896%, protease digestibility 61.9%), Na 2 SO 3 (Concentration is 2mol / L). Processing technology: after conditioning (the conditioner is a double-shaft paddle type, 1.2m in length, adding 15% water and 0.4% Na 2 SO 3 (Concentration is 2mol / L), extrusion (twin screw extruder, length to diameter ratio is 18:1, exit die hole diameter φ2.0mm, exit temperature is 170℃), cooling (horizontal cooler, cooling time 25min After cooling, the moisture content is 12.1%) to prepare the product, the alkaloid content in the product is 0.282%, and the protease digestibility is 86.5%. Feeding experiments show that adding 8% of the post-extrusion sesame seed powder to the feed of growing pigs has no adverse effect on the growth of pigs.

Embodiment 2

[0012] Raw materials and additives: Sesbania seed powder after extraction (tested, alkaloid content 1.896%, protease digestibility 61.9%), Na 2 SO 3 (Concentration is 2mol / L). Processing technology: After conditioning (the conditioner is a single-shaft paddle type, length 1.8m, adding 10% water and 0.8% Na 2 SO 3 (Concentration is 2mol / L), extrusion (single screw extruder, length to diameter ratio is 12:1, outlet die hole diameter φ4.0mm, outlet temperature is 150℃), cooling (horizontal cooler, cooling time 15min After cooling, the moisture content is 12.5%) to prepare the product, the alkaloid content in the product is 0.291%, and the protease digestibility is 85.9%. Feeding experiments show that adding 8% of the post-extrusion sesame seed powder to the feed of growing pigs has no adverse effect on the growth of pigs.

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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 [0001] A method for detoxifying sesame seed powder by using extrusion technology relates to the technical field of extrusion application. Background technique [0002] Sesbania is an annual leguminous plant, mainly produced in Fujian, Zhejiang, Jiangsu, Taiwan, Guangdong, Henan, Hebei and other places, rich in resources. The endosperm extracted from Sesbania seeds is processed into Sesbania Gum. The rest is Sesbania seed powder, which accounts for 70% to 80% of the total. The protein content of sesbania seed powder is about 40%, and the amino acid level is better than that of cotton rapeseed. It is a promising feed protein resource. However, untreated sesbania seed powder cannot be used directly for livestock due to its small amount of toxic substances. Poultry feed. Such as steaming, heating, acid hydrolysis and other treatments can become a source of high-quality livestock and poultry protein feed. Research and analysis by Taiwanese scholars believe that the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/211A23K1/14A23K10/30A23L11/30
Inventor 金征宇谢正军徐学明梁永养赵建伟
Owner JIANGNAN UNIV