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High-solubility fermented soybean meal and preparation method thereof

A technology of fermented soybean meal and high solubility, which is applied in the fields of application, animal feed, animal feed, etc., can solve the problem of insufficient solubility of fermented products, and achieve the effect of reducing the molecular weight of protein

Pending Publication Date: 2015-05-20
WILMAR SHANGHAI BIOTECH RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Aiming at the shortcomings of insufficient solubility of fermented products in the existing process, the present invention provides a method to control the water content within a specific water content by adjusting the water content of soybean meal in the oil processing process.

Method used

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  • High-solubility fermented soybean meal and preparation method thereof
  • High-solubility fermented soybean meal and preparation method thereof

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preparation example Construction

[0055] The invention provides a method for preparing fermented soybean meal with high solubility.

[0056] The method provided by the invention comprises:

[0057] i) adding water to the dried and / or undried desolvated soybean meal;

[0058] ii) inoculation of microbial strains in water-added soybean meal; and

[0059] iii) Fermentation at 25°C to 45°C to obtain fermented soybean meal; finished product processing.

[0060] In one embodiment of the present invention, the following step may be included before step ii): sterilizing the desolvated soybean meal. In the present invention, the sterilization method used is a conventional method used in the art, for example including but not limited to: heat sterilization (including but not limited to dry heat, wet heat and intermittent heating sterilization), radiation sterilization , Osmotic pressure sterilization and other sterilization methods. In one embodiment of the present invention, the sterilization method includes, but i...

Embodiment 1

[0104] Embodiment 1: strain preparation

[0105] Seed liquid preparation: Inject Bacillus subtilis, Saccharomyces cerevisiae and lactic acid bacteria into the seed medium of Bacillus subtilis, Saccharomyces cerevisiae and lactic acid bacteria respectively, and ferment at 150 rpm for 24 hours at 37°C to obtain Bacillus subtilis and Saccharomyces cerevisiae respectively and lactic acid bacteria seeds.

Embodiment 2

[0106] Example 2: Changes in quality and properties during fermentation of soybean meal mixed strains with 17% water content

[0107] The desolvated soybean meal is dried with hot air to reduce the moisture content to 17%, and steam sterilized at 121°C for 30 minutes. Add sterile water until the water content of the material (desolvated soybean meal) is 50%, and mix well.

[0108] Add mixed strains (70% of Bacillus subtilis, 20% of Saccharomyces cerevisiae and 10% of lactic acid bacteria) to the soybean meal with the inoculum amount of 10% of the weight of the wet soybean meal after adding water, and ferment at 25°C for 24 hours. The product was dried at 68-74°C for 2 hours until the moisture content was 12%. After the dried product was cooled to 30-40°C, it was crushed and passed through a 60-mesh sieve to obtain fermented soybean meal 1.

[0109] The water content, crude protein, water-soluble protein content, acid-soluble protein content, and pH of fermented soybean meal 1...

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Abstract

The present invention provides a high solubility fermented soybean meal and a preparation method thereof. The preparation method comprises of: i) adding water into dried or non-dried desolventizing soybean meal; ii) inoculating microbial strains in the soybean meal after adding water; and iii) fermenting the soybean meal at a temperature of 25 DEG C to 45 DEG C to obtain the fermented soybean meal; and processing the finished products. The fermented soybean meal produced by the present invention contains a water-soluble protein content of more than 25 wt% and a moisture content of less than 13 wt%, and has a high solubility. The present invention also provides the use of the high solubility fermented soybean meal and animal feeds containing the fermented soybean meal.

Description

technical field [0001] The invention belongs to the field of animal feed, and in particular relates to a high-solubility fermented soybean meal and a preparation method thereof. Background technique [0002] Soybean meal is a by-product product obtained from soybean oil extraction, solvent removal, drying and cooling, and packaging in the oil processing process. Because it is rich in protein, essential amino acids and various mineral nutrients, it is widely used as feed raw materials in the feed industry. However, soybean meal is generally treated at high temperature in oil processing, the protein denaturation is serious, and the solubility is poor, which will affect the digestion of protein. At the same time, soybean meal also contains certain anti-nutritional factors and flatulence factors, which are very unfavorable to livestock, poultry and aquatic animals, especially young animals. [0003] Fermented soybean meal products use modern bioengineering technology to improv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/14A23K1/00
CPCY02P60/87
Inventor 宋鹏吴学智柴丹张敏
Owner WILMAR SHANGHAI BIOTECH RES & DEV CENT
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