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Dephenolization cottonseed meal protein powder and preparation method thereof

A technology of cottonseed cake and dephenolized cottonseed, which is applied in the field of cottonseed cake protein powder and its preparation, can solve the problems of no detoxification of cottonseed cake powder, high cost, long processing cycle, etc., and achieve good effect, low cost, The effect of improving palatability

Active Publication Date: 2015-03-18
HUBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of biological fermentation detoxification is that the treatment cycle is long and the cost is high
[0004] By retrieving the existing technologies at home and abroad, it is found that there is no literature report on the detoxification of cottonseed cake powder in the circulating fluidized bed by infrared radiation, and there is no Literature report on preparation of cottonseed meal protein powder by detoxification of cottonseed meal meal in circulating fluidized bed by infrared irradiation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Take cottonseed cake and crush it until it can pass through a 60-mesh sieve.

[0023] (2) Add 80 g of water to 100 g of sieved cottonseed cake powder, soak for 4.0 h, add 0.1 g of cellulase and 0.05 g of hemicellulase, mix well, and keep warm at 55°C for 11.0 h.

[0024] (3) The enzymatically hydrolyzed cottonseed cake powder is placed in a circulating fluidized bed, the infrared wavelength is set to 0.85 μm, the infrared generator and the fluidized bed are turned on for 6.0 hours, and the dephenolized cottonseed cake is spray-dried , to obtain dephenolized cottonseed meal protein powder.

Embodiment 2

[0026] (1) Take the cottonseed cake, crush it, and pass it through a 60-mesh sieve.

[0027] (2) Take 100g of cottonseed cake powder that has passed through a 100-mesh sieve, add 120g of water, soak for 3.0h, add 0.1g of cellulase and 0.05g of hemicellulase, mix well, and keep warm at 55°C for 11.0h.

[0028] (3) The enzymatically hydrolyzed cottonseed cake powder is placed in a circulating fluidized bed, the infrared wavelength is set to 0.94 μm, the infrared generator and the fluidized bed are turned on for 6.0 hours, and the dephenolized cottonseed cake is spray-dried , to obtain dephenolized cottonseed meal protein powder.

Embodiment 3

[0030] (1) Take the cottonseed cake, crush it, and pass it through a 80-mesh sieve.

[0031] (2) Take 100g of cottonseed cake powder that has passed through an 80-mesh sieve, add 100g of water, soak for 4.0h, add 0.2g of cellulase and 0.1g of hemicellulase, mix well, and keep warm at 55°C for 14.0h.

[0032] (3) The enzymatically hydrolyzed cottonseed cake powder is placed in a circulating fluidized bed, the infrared wavelength is set to 1.80 μm, the infrared generator and the fluidized bed are turned on for 8.0 hours, and the dephenolized cottonseed cake is spray-dried , to obtain dephenolized cottonseed meal protein powder.

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PUM

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Abstract

The invention discloses dephenolization cottonseed meal protein powder and a preparation method thereof. The method comprises the following steps: firstly, coarsely crushing cottonseed meal, and then adding cellulose and hemicellulase to carry out enzymolysis on a cellulosic material in the cottonseed meal so as to improve the palatability; arranging the cottonseed meal into a circulating fluidized bed equipped with an infrared emission device; carrying out superfine grinding and infrared irradiation on the material in a boiling state by the circulating fluidized bed; destroying the structure of free gossypol in the cottonseed meal so as to reduce the content of the free gossypol to achieve the detoxification effect; finally drying to prepare the dephenolized cottonseed meal protein powder. The dephenolized cottonseed meal protein powder can be applied to the fields of food and feeds.

Description

technical field [0001] The invention belongs to the field of food processing, and in particular relates to a cottonseed cake protein powder irradiated to reduce phenols in a fluidized bed and a preparation method thereof. Background technique [0002] Cottonseed meal is a by-product of cottonseed oil extraction. The by-products of extracting oil from cottonseed after husking are called cottonseed cake and meal, the cake after oil extraction by pressing, and the meal after pre-press extraction or direct extraction. In cottonseed cake, crude protein content is 20-44%, crude fat is 1-7%, crude fiber is 10-20%, crude ash is 5-8%, free gossypol is 1.0-4.8%, and cottonseed protein It is close to soybean protein in quality, and its nutritional value is also higher than that of cereal protein. It has 8 essential amino acids, especially the lysine content is as high as 6%. At present, my country's annual output of cottonseed is more than 8 million tons, and the annual output of co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23J1/12
Inventor 汪超李冬生徐国启祁勇刚徐国红高冰徐宁胡勇朱于鹏
Owner HUBEI UNIV OF TECH
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