Preparation method of cottonseed meal albumen powder through ultraviolet phenol reduction

A protein powder and cottonseed meal technology, applied in protein food processing, vegetable protein processing, protein food ingredients and other directions, can solve the problems of high cost, long processing cycle, no cottonseed meal, etc., and achieve low cost and good effect.

Inactive Publication Date: 2014-07-23
XIANGYANG HUIYUAN AGRI & FOREST +1
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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 searching the existing technologies at home and abroad, it is found that there is no literature report on the detoxification of cottonseed cake by strong ultraviolet radiation, and there is no literature report on the preparation of cottonseed cake protein powder by detoxification of cottonseed cake by strong ultraviolet radiation

Method used

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  • Preparation method of cottonseed meal albumen powder through ultraviolet phenol reduction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for preparing cottonseed meal protein powder with ultraviolet phenol reduction, the steps are:

[0022] (1) Take 8kg of cottonseed cake, add 12kg of water to refine it, and obtain a cottonseed cake slurry;

[0023] (2) Add 8.0 g of cellulase and 4.0 g of hemicellulase to the cottonseed cake slurry, mix well, control the temperature at 50°C, and hold for 7.0 hours;

[0024] (3) Place the enzymatically hydrolyzed cottonseed cake slurry in an annular sports field with ultraviolet rays. The flow rate of the cottonseed cake slurry is 0.1m / s and the thickness is 5mm. 16 Hz ultraviolet radiation for 1.5h, then adjust the flow rate to 0.01m / s, the thickness to 20mm, after 8.0×10 15 Hz ultraviolet radiation 6.0h. The irradiated cottonseed cake slurry is spray-dried to obtain cottonseed cake protein powder.

Embodiment 2

[0026] A kind of preparation method of the cottonseed meal protein powder of ultraviolet phenol reduction, its steps are:

[0027] (1) Take 10kg of cottonseed cake, add 16kg of water to refine it, and obtain a cottonseed cake slurry;

[0028] (2) Add 11.0 g of cellulase and 8.0 g of hemicellulase to the cottonseed cake slurry, mix well, control the temperature at 55°C, and hold for 7.5 hours.

[0029] (3) The enzymatically hydrolyzed cottonseed cake slurry is placed in a circular sports field with ultraviolet rays. The flow rate of the cottonseed cake slurry is 0.08m / s and the thickness is 5mm. 16 Hz ultraviolet radiation for 2.0 h, then adjust the flow rate to 0.01m / s, adjust the thickness to 20mm, after 8.0×10 15 Hz ultraviolet radiation was irradiated for 7.5 hours, and the irradiated cottonseed cake slurry was spray-dried to obtain cottonseed cake protein powder.

Embodiment 3

[0031] A method for preparing cottonseed meal protein powder with ultraviolet phenol reduction, the steps are:

[0032] (1) Take 11kg of cottonseed cake and add 18kg of water to refine it.

[0033] (2) Add 19.0 g of cellulase and 10.0 g of hemicellulase to the cottonseed cake slurry, mix well, and control the temperature at 60°C. The holding time is 9.0 h.

[0034] (3) The enzymatically hydrolyzed cottonseed cake slurry is placed in a circular sports field with ultraviolet rays. The flow rate of the cottonseed cake slurry is 0.08m / s and the thickness is 5mm. 15 Hz ultraviolet radiation for 1.0h, then adjust the flow rate to 0.01m / s, adjust the thickness to 20mm, after 4.0×10 16 Hz ultraviolet radiation was irradiated for 8.0 hours, and the irradiated cottonseed cake slurry was spray-dried to obtain cottonseed cake protein powder.

[0035] For the cottonseed cake protein powder obtained in the above three examples, the free gossypol content, crude protein content and crud...

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Abstract

The invention discloses a preparation method of cottonseed meal albumen powder through ultraviolet phenol reduction. The preparation method comprises the following steps: (1) adding water being 1.4-1.8 times of cotton seed cake meal into the cottonseed cake meal, and grinding, thereby obtaining cottonseed cake meal pulp; (2) adding cellulose accounting for 0.1%-0.2% of the weight of cottonseed cake meal pulp and hemicellulase accounting for 0.05%-0.1% of the weight of cottonseed cake meal pulp into the cottonseed cake meal pulp, mixing uniformly, controlling the temperature to be 50-60 DEG C, and keeping the temperature for 7.0-10.0 hours; (3) putting zymolytic cottonseed cake meal pulp into an annular playground with strong ultraviolet rays with the frequency being 7.0*1015-5.0*1016Hz to irradiate and detoxify for 6.0-9.0 hours, wherein the cottonseed cake meal pulp has the thickness of 5-30mm, and has the flow speed of 0.04-0.1m / s; and carrying out spray drying on the detoxified cottonseed cake meal pulp, thereby obtaining the cottonseed meal albumen powder. The method is easy to implement, and is simple and convenient to operate; the cottonseed meal albumen powder provided by the method has the advantages of safety, good effect and no pollution to other substances; after determination, the free gossypol in the detoxified cottonseed meal albumen powder is below 0.035%.

Description

technical field [0001] The invention belongs to the field of food processing, and more particularly relates to a method for preparing cottonseed meal protein powder with UV-reduced phenols. 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, the crude protein content is 20%-44%, the crude fat content is 1%-7%, the crude fiber content is 10%-20%, the crude ash content is 5%-8%, and the free gossypol content is 1.0%-4.8% %, and the quality of cottonseed protein is close to that of soybean protein, and its nutritional value is also higher than that of cereal protein. It has 8 essential amino acids, especially the content of lysine is as high as 6%. At present, my country's annual output of cottonseed is more than 8...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J3/14A23J3/34
Inventor 徐国启汪超徐国红李冬生刘东辉朱玉海刘玉生
Owner XIANGYANG HUIYUAN AGRI & FOREST
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