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Cottonseed meal puffing and detoxifying method

A technology of cottonseed cake and detoxification agent, which is applied in food forming, food science, animal feed, etc. It can solve the problems of difficult solvent separation and recovery, inability to realize industrial production, and complicated solvent ratio, and achieve detoxification cost Low, improve the effect of detoxification, and reduce the loss of effective nutrients

Inactive Publication Date: 2014-06-25
上海兆极环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the solvent extraction detoxification method is difficult to separate and recover the solvent, the solvent consumption is large, the cost is high, and the solvent ratio is complicated, so industrial production cannot be realized.

Method used

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Embodiment Construction

[0009] The invention discloses a cottonseed cake puffing detoxification method, which comprises the following steps: 1) mixing materials, adding water and a detoxification agent to the cottonseed cake with a shell content of 8-12%, and mixing evenly to make The water content of cottonseed cake is 20-40%, the amount of detoxification agent added is 15g / kg urea, 5g / kg ferrous sulfate; 2) puffing, the puffing temperature is 120-130°C, and the screw speed is 180r / min Under certain conditions, the cottonseed cake is subjected to high temperature, high pressure and high shear force in the extrusion cavity of the extruder, and changes in physical chemistry and organizational structure such as mixing, gluing, gelatinization, etc., free gossypol Inactivation under the action of high pressure, moisture and detoxification agent; 3) Drying, drying the detoxified cottonseed cake material.

[0010] ① Shell content

[0011] As the material is in the process of puffing, when the protein is d...

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PUM

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Abstract

The invention discloses a cottonseed meal puffing and detoxifying method. The method comprises the following steps: (1) mixing, adding water and a detoxifying agent into cottonseed meal with the shell amount of 8-12 percent, and uniformly mixing, wherein the moisture content of the cottonseed meal is 20-40 percent, and the addition amount of the detoxifying agent refers to 15g / kg of urea and 5g / kg of ferrous sulfate; (2) puffing, wherein the cottonseed meal is subjected to the effects of high temperature, high pressure and high shear force in an extrusion cavity of a puffing machine under the conditions that the puffing temperature is 120-130 DEG C and the rotating speed of a screw rod is 180 revolutions per minute, changes of physical and chemical performances and organization structures during mixing, gluing and gelatinizing are caused, and free gossypol is inactivated under the effects of high temperature, high pressure, moisture and detoxifying agent; and (3) drying, namely performing drying treatment on the detoxified cottonseed meal materials. The method is good in detoxification effect, low in loss of effective nutritional ingredients in the cottonseed meal, high in palatability, low in cost, simple and convenient to operate, high in production efficiency and suitable for industrial application.

Description

technical field [0001] The invention relates to a detoxification method of cottonseed cake, in particular to a puffing detoxification method of cottonseed cake. Background technique [0002] Cottonseed meal is a by-product of cottonseed dehulling and oil removal. Cottonseed meal is rich in protein, and cottonseed protein belongs to bean protein, and its nutritional value is far higher than that of cereal protein. It is an important source of plant protein feed. [0003] However, cottonseed meal contains a toxic component—free gossypol, which can cause chronic toxicity to livestock cells, blood vessels, nerves, liver, kidneys, etc., and also have a significant impact on the reproductive system of monogastric animals and livestock. These factors limit its feeding amount. [0004] In order to overcome the above problems, the cottonseed meal used as feed is often detoxified. Common cottonseed cake detoxification methods in the prior art include chemical detoxification, biolo...

Claims

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Application Information

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IPC IPC(8): A23L1/015A23K1/14A23L5/20
CPCA23K10/30A23L5/273A23L5/276A23P30/34
Inventor 袁峻峰
Owner 上海兆极环境科技有限公司
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