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Healthcare feed protein and preparation method thereof

A feed protein and health care technology, applied in the direction of animal feed, animal feed, application, etc., can solve the problems of loss of acidification effect, large addition amount, and high cost, and achieve the ability to enhance disease prevention and resistance, reduce ammonia nitrogen content, and improve product quality. Stable quality effect

Active Publication Date: 2014-06-11
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still many problems in practical application: due to its large amount of addition, generally 1% to 3% is added to the feed, and the cost is high; the added acid is often neutralized by the alkaline substances in the feed, losing the acidifying effect and destroying the feed. Vitamin activity and mineral element absorption in grain, etc.
Acid hydrolysis is used to decompose macromolecular proteins into small molecular peptides through the action of strong acid and strong alkali. Because strong acids and strong alkalis are corrosive, this method will bring a lot of pollution; enzymatic hydrolysis uses the directional decomposition of enzymes to decompose macromolecular proteins. It is a small molecular peptide, but due to the characteristics of the enzyme reaction, it requires a high ratio of solid to liquid, production requires high energy consumption, and its commercial value is relatively low
[0006] The research group’s previous patent application, the patent number is 201010581052.4, and the patent name is a preparation method of feed protein. In the patent application, a high-peptide, high Feed protein with lactic acid and low glucosinolates, but the content of glucosinolates and ammoniacal nitrogen is too high, and the content of added microorganisms is too high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1 Novel healthy feed protein

[0016] A kind of feed protein includes fermented rapeseed meal matrix and beneficial bacteria, the peptide content is ≥ 9%, and the number of viable bacteria is ≥ 10 8 CFU / g, 45.00%≤dry matter≤65.00%, ammoniacal nitrogen≤0.17%, glucosinolate degradation rate≥90%, lactic acid≥3%, pH≤4.5.

[0017] The beneficial bacteria are the combination of lactic acid bacteria, bacillus licheniformis and aspergillus oryzae.

Embodiment 2

[0018] The preparation method of embodiment 2 feed protein

[0019] Rapeseed meal is used as raw material, mixed with water at a material-to-water ratio of 1:0.5 and stirred evenly, and then sterilized at a temperature of 100°C; after sterilization, 5wt% lactic acid bacteria (conventional activated sludge), 10wt% Bacillus subtilis (conventional activated sludge) and 5wt% Aspergillus oryzae (conventional activated sludge), after stirring evenly, ferment at 40°C; fermentation time is 40 hours; after fermentation Dry at low temperature. The peptide content in the new rapeseed meal feed protein reaches 9%, the lactic acid content reaches 3.5%, the degradation rate of harmful substances glucosinolates reaches 90%, and the number of viable bacteria reaches 10% 8 Above CFU / g, ammoniacal nitrogen content 0.17%, pH 4.5.

[0020] Example 2

[0021] Rapeseed meal is used as raw material, mixed with water at a material-to-water ratio of 1:0.8 and stirred evenly, then sterilized at a te...

Embodiment 3

[0023] Rapeseed meal is used as raw material, mixed with water at a material-to-water ratio of 1:1 and stirred evenly, then sterilized at a temperature of 100°C; after sterilization, 5wt% lactic acid bacteria (conventional activated sludge), 4wt% Bacillus subtilis (conventional activated sludge) and 5wt% Aspergillus oryzae (conventional activated sludge), after stirring evenly, ferment at 45°C; fermentation time is 40 hours; after fermentation Dry at low temperature. The peptide content in the new rapeseed meal feed protein reaches 16.2%, the lactic acid content reaches 3.4%, the degradation rate of harmful substances glucosinolates reaches 95%, and the number of viable bacteria reaches 10% 8 Above CFU / g, ammoniacal nitrogen content 0.17%, pH 4.5.

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PUM

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Abstract

The invention discloses healthcare feed protein. The healthcare feed protein comprises a fermented rapeseed dreg substrate and beneficial bacteria, wherein peptide content is not less than 9%, number of viable bacteria of the beneficial bacteria is not less than 108 CFU (Colony Forming Unit) / g, dry matter is not less than 45.00% and not greater than 65.00%, ammoniacal nitrogen is not greater than 0.17%, glucosinolate degradation rate is not less than 90%, lactic acid is not less than 3% and pH is not greater than 4.5. A preparation method of the feed protein comprises the following steps: with rapeseeds as materials, and sterilizing under the condition with a temperature of 100 DEG C-115 DEG C after mixing the materials with water in a material-water ratio of 1:0.5-1:1.2 and uniformly stirring; inoculating with beneficial bacteria according to the weight of the rapeseed dregs after sterilizing, and fermenting for 34 hours-40 hours at 40 DEG C-55 DEG C after uniformly stirring; and carrying out low-temperature drying to obtain the healthcare feed protein after the fermentation is completed. The healthcare feed protein has good application prospect.

Description

technical field [0001] The invention relates to a health-care feed protein, in particular to a feed protein with high peptide, high lactic acid, low glucosinolate and ammonia nitrogen, belonging to the field of animal feed. Background technique [0002] Rapeseed meal is a substance obtained from rapeseed after oil extraction and solvent removal. The crude protein content is 35% to 45%, and the amino acid composition is reasonable. It is a relatively good and cheap protein feed resource. my country is the largest producer of rapeseed, with an annual output of more than 7 million tons of rapeseed meal. However, because it contains glucosinolates, phytic acid, tannins and other harmful substances and anti-nutritional factors, direct use of rapeseed meal as feed will cause nutrient loss. The decreased utilization rate of rapeseed meal and side effects such as livestock and poultry poisoning limit the effective utilization of rapeseed meal in the feed industry. [0003] At presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/14
Inventor 蔡国林陆健王刚朱德伟
Owner JIANGNAN UNIV
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