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Oligopeptide additive for feed and preparation method thereof

An additive and oligopeptide technology, which is applied in the field of feed oligopeptide additives and its preparation, achieves the effects of reducing the feed-to-meat ratio, simple production process and stable quality

Active Publication Date: 2013-07-10
BEIHAI QUNLIN BIO ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since fermentation is a complex biochemical process, the quality of fermentation products is affected by the quality of raw materials, fermentation strains, and fermentation processes. Therefore, how to obtain aquaculture products that meet the quality requirements of the aquaculture industry, have higher nutritional value, and have simple production methods and stable quality. Feed additives are still a hot issue that needs to be solved urgently in the industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] raw material:

[0036] Fresh sea fish 100kg, fish meal 400kg, soybean meal 300kg, rapeseed meal 100kg, cotton meal 100kg.

[0037] 1. Preparation of starter: It is composed of three strains of lactic acid bacteria, yeast and bacillus. Relative to the total weight of raw materials, the inoculation dosage of lactic acid bacteria, yeast and bacillus is 0.01-100 million per gram and 0.01-100 million pcs / g, 0.01-100 million pcs / g.

[0038] 2. Send the fresh sea fish into the cooking machine to cook and sterilize, and then cool down;

[0039] 3. Mix the steamed sea fish with fish meal, soybean meal, rapeseed meal and cotton meal in the mixer for 5-10 minutes, adjust the water content of the material to 60%, and spray the starter at the same time;

[0040] 4. The material is stacked and fermented, the fermentation temperature is controlled at 30°C, and solid state fermentation is carried out for 4 days;

[0041] 5. Air-flow fluidized bed drying, control drying outlet air te...

Embodiment 2

[0044] Raw materials: 500kg of fresh marine fish, 400kg of soybean meal, 50kg of corn gluten powder, and 50kg of distiller's grains.

[0045] (1) Preparation of starter: it is composed of lactic acid bacteria, saccharomyces and bacillus. Relative to the total weight of raw materials, the inoculation dosage of lactic acid bacteria, saccharomyces and bacillus is 0.01-100 million / gram, 0.01-1 100 million / gram, 0.01-100 million / gram.

[0046] (2) Send all the raw materials into the cooking machine for cooking and sterilization, and then cool down;

[0047] (3) Mix the cooled raw materials in the mixer for 5 to 10 minutes, and spray the bacterial liquid at the same time;

[0048] (4) The material is stacked and fermented, the fermentation temperature is controlled at 50°C, and solid-state fermentation is carried out for 2 days;

[0049] (5) Air flow fluidized bed drying, the drying outlet temperature is controlled at 45-70°C, the inlet air temperature is 110-140°C, crushed with a 4...

Embodiment 3

[0052] Raw materials: 100kg of fresh sea fish, 300kg of fish head, 100kg of shrimp head, 100kg of concentrated soybean protein, 300kg of soybean meal, 50kg of rapeseed meal, and 50kg of cotton meal.

[0053] Produce by embodiment 2 method, make product. After testing, the obtained oligopeptide product for feeding contains 55% of crude protein, 8% of oligopeptide (molecular weight≤10000Dalton), ≥4.5% of oligopeptide (molecular weight≤1000Dalton), ≥3.2% of free amino acid, organic acid (using lactic acid Total) ≥ 2.5%, probiotics ≥ 1×10 7 cfu / g, moisture≤11%.

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Abstract

The invention discloses an oligopeptide additive for a feed and a preparation method thereof. The additive is prepared by inoculating lactobacillus, yeast and bacillus in 10-90% (by mass percentage) of plant protein raw materials and 10-90% (by mass percentage) of animal protein raw materials, and performing solid-state fermentation, wherein the plant protein raw materials comprise soybean meal, vegetable meal, cotton meal, corn protein powder, distillers' grains and the like, and the animal protein raw materials are processing leftovers from fish meal, fishes, shrimp, crab or aquatic products and the like; and relative to the total weight of the raw materials, the inoculum sizes of the three strains are 0.01-100*10<9> counts / gram, 0.01-1*10<9> counts / gram and 0.01-1*10<9> counts / gram respectively. In the additive of the invention, the content of crude proteins is not less than 45%, the content of oligopeptides with a molecular weight not greater than 10,000 Daltons is not less than 6%, the content of oligopeptides with a molecular weight not greater than 1,000 Daltons is not less than 3%, the content of free amino acids is not less than 1.3%, the content of organic acids is not less than 2.5%, and the content of probiotics is not less than 1*10<7>cfu / g.

Description

technical field [0001] The invention relates to a feed additive production technology, in particular to a feed oligopeptide additive and a preparation method thereof. Background technique [0002] The chemical bond formed by the dehydration condensation of the amino group of one amino acid and the carboxyl group of another amino acid is called a "peptide bond", and the substance formed by linking amino acids through a peptide bond is called a "peptide". According to the degree of polymerization of amino acids, it can be divided into oligopeptides (2 to 10 amino acids), polypeptides (10 to 50 amino acids), and proteins (more than 50 amino acids). Structurally, peptides are in the middle of amino acids and proteins, which makes them have biological functions that some amino acids and proteins do not have. [0003] According to the biological functions of peptides, they can be divided into the following four categories: 1. Physiologically active peptides, which can regulate ce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/16
Inventor 梁运祥黄志诚禤毅
Owner BEIHAI QUNLIN BIO ENG
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