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Method for reducing vomitoxin of wheat bran through extrusion

A technology of extruding and puffing wheat bran, which is applied in food mechanical processing, food science, application, etc., to achieve the effect of high dietary fiber content, simple operation steps, and low vomitoxin content

Inactive Publication Date: 2017-01-11
BENGBU COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Existing studies on wheat bran mainly focus on the extraction and purification of wheat dietary fiber, the modification of dietary fiber, and the extraction of active ingredients in dietary fiber. The research on wheat vomitoxin mainly focuses on the determination of vomitoxin. Relatively little is known about the removal of vomitoxin from wheat bran

Method used

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  • Method for reducing vomitoxin of wheat bran through extrusion

Examples

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Comparison scheme
Effect test

Embodiment 1

[0047] A method for reducing wheat bran vomiting toxin by extrusion and puffing includes the following steps:

[0048] (1) Add 5 kg of wheat bran to 15 kg of water, stir evenly, add solid sodium hydroxide to adjust the pH to 10.23, soak for 20-30 minutes, press filter to obtain 9.2 kg of product;

[0049] (2) Put the 9.2kg product obtained in step (1) in a boiling dryer, and control the air volume at 1500m 3 / h, the inlet temperature is 80℃, and the drying is 15min, to obtain 5.2kg of dried wheat bran with a moisture content of 31.5%;

[0050] (3) Mix the dried wheat bran obtained in step (2) with 1.8kg starch uniformly;

[0051] (4) Put the wheat bran and starch mixture obtained in step (3) in an extruder, the screw speed is 10r / min, the extrusion temperature is 160℃, and the puffing detoxification process is performed to obtain wheat bran and Starch puffed product, and then put the wheat bran and starch puffed product in a pulverizer to smash to obtain 5.1 kg of detoxified wheat bra...

Embodiment 2

[0055] A method for reducing wheat bran vomiting toxin by extrusion and puffing includes the following steps:

[0056] (1) Add 5 kg of wheat bran to 15 kg of water, stir evenly, add solid sodium hydroxide to adjust the pH to 11.02, soak for 20-30 minutes, press filter to obtain 9.1 kg of product;

[0057] (2) Put the 9.1kg product obtained in step (1) in a boiling dryer, and control the air volume at 1500m 3 / h, the inlet temperature is 80℃, and the drying time is 15min, to obtain 5.1kg of dried wheat bran with a moisture content of 32.3%;

[0058] (3) Mix the dried wheat bran obtained in step (2) with 1.9kg starch uniformly;

[0059] (4) Put the wheat bran and starch mixture obtained in step (3) in an extruder, the screw speed is 10r / min, the extrusion temperature is 180℃, and the puffing and detoxification process is performed to obtain wheat bran and Starch puffed product, and then put the wheat bran and starch puffed product in a pulverizer to pulverize to obtain 4.95 kg of detoxi...

Embodiment 3

[0063] A method for reducing wheat bran vomiting toxin by extrusion and puffing includes the following steps:

[0064] (1) Add 5 kg of wheat bran to 17 kg of water, stir evenly, add solid sodium hydroxide to adjust the pH to 10.55, soak for 20-30 min, press filter to obtain 9.2 kg of product;

[0065] (2) Put the 9.2kg product obtained in step (1) in a boiling dryer, and control the air volume at 1500m 3 / h, the inlet air temperature is 80℃, and the drying time is 15min to obtain 5.3kg of dried wheat bran with a moisture content of 34.1%;

[0066] (3) Mix the dried wheat bran obtained in step (2) with 1.6kg starch uniformly;

[0067] (4) Put the wheat bran and starch mixture obtained in step (3) in an extruder, the screw speed is 15r / min, the extrusion temperature is 170℃, and the puffing and detoxification process is performed to obtain wheat bran and Starch puffed product, and then put the wheat bran and starch puffed product in a pulverizer to smash to obtain 5.1 kg of detoxified w...

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Abstract

The invention provides a method for reducing vomitoxin of wheat bran through extrusion. The method mainly comprises the following steps: 1, putting the wheat bran in water, adding alkali to adjust the wheat bran to be alkaline; 2, drying the alkaline wheat bran, then compounding the wheat bran and starch according to a certain proportion, and mixing evenly; 3, extruding and detoxifying a mixture of the wheat bran and the starch in an extruder; 4, neutralizing the alkali. The wheat bran powder prepared according to the method is high in content of dietary fibers and low in vomitoxin, can serve as an additive to be mixed with various other food base materials to prepare various foods with rich dietary fibers, and has a quite extensive scope of application.

Description

Technical field [0001] The invention relates to the field of wheat bran and processing, in particular to a method for reducing wheat bran vomiting toxin by extrusion. Background technique [0002] Vomitoxin, also known as deoxynivalenol (DON), chemically named 3α, 7α, 15-trihydroxyfusarium-9-en-8-one, belonging to trichothecenes The compound, so named because it can cause vomiting in pigs, has a certain harmful effect on the human body. Pollution of vomiting toxin is widely found in countries around the world, including China, Japan, the United States, the former Soviet Union, and South Africa. Vomiting toxin mainly pollutes cereal crops such as wheat, barley, oats, and corn, and also pollutes food products such as bread, biscuits, and wheaten snacks. In addition, vomiting toxin residues were found in animal milk and eggs. The pollution of vomitoxins to grains is related to the toxin-producing strains, temperature, humidity, ventilation, sunshine and other factors. Wheat head...

Claims

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Application Information

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IPC IPC(8): A23L5/20A23L7/174A23L7/191
CPCA23V2002/00A23V2250/5118A23V2300/31
Inventor 王家良邓源喜王梅怀军黄世瑜张冬青
Owner BENGBU COLLEGE
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