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Preparation method of feed protein raw materials

A technology of feed protein and protein raw materials, which is applied in the field of preparation of feed protein raw materials, can solve the problems of poor palatability of drug-resistant feed, inability to degrade antigenic proteins, and unfavorable digestion and utilization of macromolecular proteins by animals, and achieve high soluble protein content and improved quality effect

Pending Publication Date: 2020-11-27
GUANGDONG HINAPHARM PHARMA CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0005] Based on this, in order to solve the problem that a large amount of macromolecular protein in soybean meal and bran is not conducive to the digestion and utilization of animals, the antigenic protein in raw materials cannot be degraded, and antibiotics or Chinese herbal medicines need to be added to the feed, resulting in poor drug resistance and feed palatability problem, the invention provides a kind of preparation method of feed protein raw material, and specific technical scheme is as follows:

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  • Preparation method of feed protein raw materials
  • Preparation method of feed protein raw materials
  • Preparation method of feed protein raw materials

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preparation example Construction

[0028] A kind of preparation method of feed protein raw material in one embodiment of the present invention, described preparation method comprises the following steps:

[0029] Prepare Aspergillus oryzae culture;

[0030] Preparation of antimicrobial peptide fermentation broth;

[0031] Evenly mix the Aspergillus oryzae culture with the antimicrobial peptide fermentation liquid, add additives, carry out anaerobic fermentation or facultative anaerobic fermentation, and obtain fermented feed protein raw materials;

[0032] The fermented feed protein raw material is dried and pulverized to obtain a feed protein raw material product.

[0033] In one of the embodiments, the step of preparing Aspergillus oryzae culture comprises the following steps:

[0034] Moisturize raw materials;

[0035] Cooking the moistened raw materials;

[0036] Add Aspergillus oryzae to the raw material after cooking and cooling to inoculate evenly;

[0037] Spread evenly inoculated raw materials ins...

Embodiment 1

[0063] 1) Preparation of Aspergillus oryzae culture

[0064] A1. After mixing 60kg of soybean meal and 30kg of bran, add water to moisten until the moisture content is 48%;

[0065] A2. Place the moistened soybean meal and bran at a temperature of 110°C for 15 minutes, and then cool them down to 38°C in an air cooler, and ensure that the moisture content of the cooked and cooled soybean meal and bran is 50 ±1%;

[0066] A3. According to mass percentage, the inoculum amount of Aspergillus oryzae accounting for 0.1% of soybean meal and bran weight is mixed with starch according to the mass ratio of 1:20, and the mixture of Aspergillus oryzae is evenly added to the cooked and cooled soybean meal and bran mixed raw material in step A2 In, the inoculation is completed;

[0067] A4. Spread evenly inoculated raw materials inside the disc of the disc koji making machine, set the working conditions of the disc koji making machine, and carry out three stages of solid-state aerobic fer...

Embodiment 2

[0081] 1) Preparation of Aspergillus oryzae culture

[0082] A1. After mixing 45kg soybean meal and 50kg bran, add water to moisten until the moisture content is 48%;

[0083] A2. Place the moistened soybean meal and bran at a temperature of 120°C for 20 minutes, then cool it to 40°C in an air cooler, and ensure that the moisture content of the cooked and cooled soybean meal and bran is 50 ±1%;

[0084] A3. According to mass percentage, the inoculum amount of Aspergillus oryzae accounting for 0.1% of soybean meal and bran weight is mixed with starch according to the mass ratio of 1:20, and the mixture of Aspergillus oryzae is evenly added to the cooked and cooled soybean meal and bran mixed raw material in step A2 In, the inoculation is completed;

[0085] A4. Spread evenly inoculated raw materials inside the disc of the disc koji making machine, set the working conditions of the disc koji making machine, and carry out three stages of solid-state aerobic fermentation of the ...

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Abstract

The invention provides a preparation method of a feed protein raw material. The method comprises the steps of preparing an aspergillus oryzae culture; preparing antibacterial peptide fermentation liquid; uniformly mixing the aspergillus oryzae culture with the antibacterial peptide fermentation liquid, adding molasses, and performing anaerobic fermentation or facultative anaerobic fermentation toobtain fermented feed protein raw materials; and drying the fermented feed protein raw materials, and performing crushing to obtain feed protein raw materials. According to the method, high-molecular-weight proteins in the raw materials can be degraded into components of low-molecular-weight proteins, small peptide and amino acids, digestion and utilization by animals are facilitated, besides, antigen proteins in the raw materials are degraded, and the protein of the proteins is improved. In addition, the antibacterial peptide fermentation liquid is also added to the feed protein raw materialsfor mixed fermentation, high content of soluble proteins in the feed protein raw materials is guaranteed, certain bacterium resisting efficacy of the feed protein raw materials are given, and the palatability of the feed protein raw materials is not influenced.

Description

technical field [0001] The invention relates to the field of bioengineering, in particular to a method for preparing feed protein raw materials. Background technique [0002] Soybean meal and bran contain anti-nutritional factors such as glycinin and phytic acid, which have the advantages of relatively low price and not easy to be oxidized and corrupted. In addition, they are rich in amino acid types and content, especially lysine, which is relatively lacking in other plant feeds. Its content is as high as 2.5%-2.8%, and it is widely favored in animal husbandry. However, soybean meal and bran are directly used as feed raw materials. The large amount of macromolecular protein in them is not conducive to the digestion and utilization of animals, and the antigenic protein in the raw materials cannot be degraded. Therefore, continuous processing is required to make the raw materials have higher feed value. . [0003] In addition, with the rapid development of science and techn...

Claims

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Application Information

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IPC IPC(8): A23K10/12A23K10/37A23K10/33A23K20/147A23J1/00A23J1/14A23J3/32
CPCA23K10/12A23K10/37A23K10/33A23K20/147A23J1/005A23J1/148A23J3/32Y02P60/87
Inventor 代珍青张志清邓远钊黎卓莹朱健新曾文年
Owner GUANGDONG HINAPHARM PHARMA CO LTD
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