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Detoxification method for feeding rapeseed meal

A technology of rapeseed meal and feed, applied in the field of detoxification of rapeseed meal for feed, can solve the problems of affecting the utilization of nutrients, animal goiter, affecting the palatability of diets, etc., to achieve improved nutritional value, significant effect, and rapid reproduction significant effect

Active Publication Date: 2017-11-07
阜阳市艺凯农业科技有限公司
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AI Technical Summary

Problems solved by technology

The by-product of rapeseed oil processing is rapeseed meal, the crude protein content of rapeseed meal is about 36%, the amino acid composition is relatively balanced, the content of sulfur amino acid is high, and the content of methionine and lysine is also high. Niacin and choline, rapeseed meal, as one of the feed raw materials, is not only rich in nutrition but also extremely low in cost, but rapeseed meal contains many toxic and harmful substances, such as isothiocyanate, thiocyanate, oxazole Alkylthiones, nitriles, sinapine, tannins, phytic acid and other substances not only affect the palatability of diets and the utilization of other nutrients, but also cause animal goiter and inhibit animal growth, which greatly limits their use in animals. Applications in Diets

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: A method for detoxifying rapeseed meal, specifically,

[0018] (1) After the rapeseed meal is fully steamed and sterilized in steam, it is dried to a water content of 62%. In parts by weight, 5 parts of sucrose, 0.02 parts of ammonium sulfate, 0.1 part of potassium chloride, 0.01 part of magnesium sulfate, 0.01 part of lipoic acid, 0.01 part of theophylline, and mix well;

[0019] (2) Inoculate the rapeseed meal with Pediococcus pentosaceae at an inoculation ratio of 2‰, and ferment at 33°C. In the early stage of fermentation, stir the rapeseed meal every 4 minutes. The number of stirring times is 3 times, and the total fermentation time is 13 Hour;

[0020] (3) Send the fermented rapeseed meal into a high-pressure crusher, and break the wall 4 times at a pressure of 520bar and an outlet temperature of 40°C;

[0021] (4) Dry the rapeseed meal under hot air at 40°C until the water content is 10%.

Embodiment 2

[0022] Embodiment 2: A method for detoxifying rapeseed meal, specifically,

[0023] (1) After the rapeseed meal is fully steamed and sterilized in steam, it is dried to a water content of 65%. In parts by weight, 7 parts of sucrose, 0.03 parts of ammonium sulfate, 0.15 parts of potassium chloride, 0.012 parts of magnesium sulfate, 0.013 parts of lipoic acid, 0.011 parts of theophylline, and mix well;

[0024] (2) Inoculate the rapeseed meal with Pediococcus pentosaceae at an inoculation ratio of 2.8‰, and ferment at 35°C. In the initial stage of fermentation, stir the rapeseed meal every 5 minutes, the number of stirring times is 3 times, and the total fermentation time is 14 Hour;

[0025] (3) Send the fermented rapeseed meal into a high-pressure crusher, and break the wall 5 times at a pressure of 530bar and an outlet temperature of 42°C;

[0026] (4) Dry the rapeseed meal under hot air at 45°C to a moisture content of 12%.

Embodiment 3

[0027] Embodiment 3: A kind of detoxification method of forage rapeseed meal, specifically,

[0028] (1) After the rapeseed meal is fully steamed and sterilized in steam, it is dried to a water content of 63%. In parts by weight, 6 parts of sucrose, 0.025 parts of ammonium sulfate, 0.12 parts of potassium chloride, 0.011 parts of magnesium sulfate, 0.012 parts of lipoic acid, 0.01 parts of theophylline, and mix well;

[0029] (2) Inoculate the rapeseed meal with Pediococcus pentosaceae at an inoculation ratio of 2.5‰, and ferment at 34°C. In the early stage of fermentation, stir the rapeseed meal every 4.3 minutes. The number of stirring times is 3 times, and the total fermentation time is 13.5 Hour;

[0030] (3) Send the fermented rapeseed meal into a high-pressure crusher, and break the wall 4 times at a pressure of 528bar and an outlet temperature of 41°C;

[0031] (4) Dry the rapeseed meal under hot air at 42°C to a moisture content of 11%.

[0032] Take 10kg rapeseed m...

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Abstract

The invention relates to the technical field of rapeseed meal processing and particularly relates to a detoxification method for feeding rapeseed meal. The method comprises the steps of sterilizing rapeseed meal, adding sucrose, ammonium sulfate, potassium chloride, magnesium sulfate, lipoic acid and theophylline and stirring evenly; inoculating pediococcus pentosaceus for fermentation and feeding the fermented rapeseed meal into a high-pressure crusher for wall-breaking treatment; and finally drying. The rapeseed meal is detoxified by adopting a fermentation method, so that the method is relatively low in detoxification cost and energy consumption, and is free of pollution and free of a residue.

Description

technical field [0001] The invention relates to the technical field of rapeseed meal processing, in particular to a detoxification method for forage rapeseed meal. Background technique [0002] Rapeseed is one of the main oil crops in my country, and 95% of rapeseed in my country is used to produce edible oil. The by-product of rapeseed oil processing is rapeseed meal, the crude protein content of rapeseed meal is about 36%, the amino acid composition is relatively balanced, the content of sulfur amino acid is high, and the content of methionine and lysine is also high. Niacin and choline, rapeseed meal, as one of the feed raw materials, is not only rich in nutrition but also extremely low in cost, but rapeseed meal contains many toxic and harmful substances, such as isothiocyanate, thiocyanate, oxazole Alkanethiones, nitriles, sinapine, tannins, phytic acid and other substances not only affect the palatability of diets and the utilization of other nutrients, but also cause...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/37A23K10/12A23K40/00A23L3/3562A23L3/358A23L3/3472
CPCA23K10/12A23K10/37A23K40/00A23L3/3472A23L3/3562A23L3/358Y02P60/87
Inventor 严晓武
Owner 阜阳市艺凯农业科技有限公司
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