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Method for producing palm kernel meal protein feed through solid state fermentation

A technology of palm kernel meal and solid state fermentation, which is applied in the molding or processing of animal feed, animal feed, animal feed, etc., to achieve the effect of simplifying the production process, simple process and low investment

Inactive Publication Date: 2016-10-12
陕西植森浆纸工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Based on the problems existing in the prior art, the present invention proposes a method for solid-state fermentation to produce palm kernel meal protein feed, which solves the problem that palm kernel meal contains a large amount of anti-nutritional factors as feed, and the high lignin content (14.6% ), improve the nutritional value of palm kernel meal as feed, and use microbial solid-state fermentation to process palm kernel meal without generating a lot of waste, which is suitable for large-scale production

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  • Method for producing palm kernel meal protein feed through solid state fermentation
  • Method for producing palm kernel meal protein feed through solid state fermentation

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Embodiment 1

[0047] Present embodiment provides a kind of method of solid-state fermentation to produce palm kernel meal protein feed, as figure 1 As shown, the method specifically includes the following steps:

[0048] Step 1, seed solution preparation:

[0049] Bacillus, Candida metagenetica and Aspergillus niger were respectively subjected to primary seed cultivation and secondary seed expansion cultivation. The cultivation temperature of the primary seed cultivation was 30-40°C, the cultivation time was 24h, and the rotation speed was 150-170r / min, the cultivation temperature for secondary seed expansion cultivation is 25-37°C, the cultivation time is 24-72h, and the rotation speed is 150-170r / min, respectively prepared into Bacillus seed liquid, yeast seed liquid and Aspergillus niger seed liquid;

[0050] The Aspergillus niger is Aspergillus niger ASP-1.

[0051] In step 1, the preparation process of bacillus seed liquid is:

[0052] Step 1.1, first-level seed culture: pick a ri...

Embodiment 2

[0065] Present embodiment provides a kind of method of solid-state fermentation to produce palm kernel meal protein feed, as figure 1 As shown, the method specifically includes the following steps:

[0066] Step 1, preparation of seed solution: same as in Example 1.

[0067] Step 2, material mixing:

[0068] The raw material is palm kernel meal, the palm kernel meal is crushed first, the palm kernel meal needs to be screened and then crushed to a size of 3-4mm, so as to increase the contact area with the bacteria and make the fermentation process more thorough. mix. Prepare 100kg of palm kernel meal raw material, add 30L of water to the crushed palm kernel meal, stir evenly, and sterilize at 121°C for 15 minutes, then insert 10kg of Bacillus secondary seed culture solution and Candida metagenes secondary 10kg of seed culture solution and 5kg of Aspergillus niger secondary seed solution are fully mixed to make a mixed material, and the moisture in the mixed material is contr...

Embodiment 3

[0072] Present embodiment provides a kind of method of solid-state fermentation to produce palm kernel meal protein feed, as figure 1 As shown, the method specifically includes the following steps:

[0073] Step 1, preparation of seed solution: same as in Example 1.

[0074] Step 2, material mixing:

[0075] The raw material is palm kernel meal, the palm kernel meal is crushed first, the palm kernel meal needs to be screened and then crushed to a size of 3-4mm, so as to increase the contact area with the bacteria and make the fermentation process more thorough. mix. Prepare 100 kg of palm kernel meal raw material, add 10 L of water to the crushed palm kernel meal, stir evenly, and sterilize at 121°C for 15 minutes, then insert 20 kg of Bacillus secondary seed culture solution and Candida metagenes secondary 20kg of seed culture solution and 10kg of Aspergillus niger secondary seed solution are fully mixed to make a mixed material, and the moisture in the mixed material is c...

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Abstract

The invention provides a method for producing palm kernel meal protein feed through solid state fermentation. According to the method, palm kernel meal serves as the raw material, the palm kernel meal is degraded through solid state fermentation by means of a microorganism mixed strain, and finally the palm kernel meal protein feed is obtained. The microorganism mixed strain is a mixed strain composed of bacillus, candida utilis and aspergillus niger. Various strains are used for mixed culture, mildew and yeast are used for mixed culture on a culture medium, mildew can be used for decomposing cellulose and starch easily, the yeast mainly uses a sugar source, utilization efficiency of a substrate is improved by means of the synergistic effect of the strains, and the protein content and the nutritional function of the feed are improved. Four to five kinds of strains are mixed for culture, and adaptability and mixed bacteria prevention capacity of the raw material substrate can be improved.

Description

technical field [0001] The invention belongs to the technical field of feed preparation and relates to a palm kernel meal protein feed, in particular to a method for producing palm kernel meal protein feed by solid-state fermentation. Background technique [0002] Palm kernel meal is the waste residue after oil extraction of palm seeds. According to analysis, palm kernel meal also contains rich nutrients. Its shape and color are similar to rapeseed meal, and it has a slight chocolate smell. The quality of palm kernel meal varies greatly depending on the degree of shelling and processing technology. It has high fiber content, low crude protein content, lack of lysine, methionine and tryptophan. [0003] Table 1 The main components of palm kernel meal [0004] nutrient content content% nutrient content content% moisture 7.70 crude fiber 20.35 crude protein 15.41 calcium 0.31 crude fat 11.50 phosphorus 0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K40/00A23K10/12A23K10/37A23K20/10A23K20/20
CPCY02P60/87
Inventor 边静
Owner 陕西植森浆纸工程有限公司
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