Method for detoxicating rapeseed cakes or rapeseed dregs

The technology of rapeseed meal and rapeseed cake is applied in the field of feed protein resource development, which can solve the problems of inaccurate effect of additive detoxification method, unsuitable for large-scale industrial application, loss of nutrients, etc., and achieves high detoxification efficiency, Good palatability and labor-intensive effect

Inactive Publication Date: 2010-07-21
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the detoxification rate of the current chemical method is not high, and the effect of the additive detoxification method is inaccurate; the physical method will lose some nutrients, the investment in equipment is large, the pro

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1) Take by weighing 50 grams of rapeseed cake, and take by weighing 5 grams of ammonium ferrous sulfate in addition, mix well;

[0016] 2) Put the above mixture into a PM100 planetary ball mill, the ball milling medium is agate balls, the medium to material ratio is 1:1 (w / w), the rotating speed is 650 rpm, grind for 60 minutes to obtain detoxified rapeseed cake, The detoxification rate is 95%.

Embodiment 2

[0018] 1) Weigh 50 grams of rapeseed cake, and take another 0.5 gram of potassium permanganate, and mix well;

[0019] 2) Put the above mixture into a PM100 planetary ball mill, the ball milling medium is agate balls, the medium to material ratio is 1:1 (w / w), the rotating speed is 650 rpm, grind for 5 minutes to obtain detoxified rapeseed cake, The detoxification rate was 62%.

Embodiment 3

[0021] 1) Weigh 50 grams of rapeseed cake, and weigh another 2 grams of ferrous sulfate, and mix well;

[0022] 2) Put the above mixture into a PM100 planetary ball mill, the ball milling medium is agate balls, the medium to material ratio is 1:1 (w / w), the rotating speed is 650 rpm, grind for 5 minutes to obtain detoxified rapeseed cake, The detoxification rate was 81%.

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PUM

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Abstract

The invention discloses a method for detoxicating rapeseed cakes or rapeseed dregs.In the method, the rapeseed cakes or rapeseed dregs containing glucosinolate are ground and detoxicated in a high energy grinder under the action of grinding aid. The method comprises the following steps: 1) weighing rapeseed cakes or rapeseed dregs containing glucosinolate and then weighing grinding aid with a weight being 1-10% of the weight of the rapeseed cakes or rapeseed dregs and then evenly mixing the materials; 2) adding the mixture into the high energy grinder and grinding the mixture for 50-60min to obtain the detoxicated rapeseed cakes or rapeseed dregs.The method of the invention overcomes the weaknesses of the traditional detoxication method such as high cost, complicated processing equipment, long processing cycle, large labor intensity, large energy consumption and low detoxication rate; in addition, the detoxication method features simple process, small equipment investment, convenient operation, high detoxication efficiency, no generation of three wastes in the process of detoxication and adaptability to large-scale industrialized application; moreover the detoxicated rapeseed cakes and rapeseed dregs features good palatability, high digestibility and low content of anti-nutritional factors.

Description

technical field [0001] The invention relates to the field of protein resource development for feed, in particular to a method for detoxifying rapeseed cake or rapeseed meal. Background technique [0002] With the rapid development of my country's feed industry, the contradiction of serious shortage of protein feed resources has become increasingly prominent, which has become the main restrictive factor for the development of my country's feed industry, and will become the bottleneck of the development of my country's animal husbandry for a long time. The development and utilization of protein resources has become my country's development of feed important issues for industry. Rapeseed cake (meal) contains 35% to 45% vegetable protein, which is an important vegetable protein resource. Moreover, the amino acid composition in the protein is relatively balanced, and its feeding value can be compared with soybean cake. [0003] But rapeseed cake (meal) contains glucosinolates, th...

Claims

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Application Information

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IPC IPC(8): A23K1/14
Inventor 叶瑛夏枚生李海晏张路姚志通戴凌青
Owner ZHEJIANG UNIV
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