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Method for preparing fish meal from solid-state fermented aquatic waste

A technology for aquatic waste and solid-state fermentation, which is applied in microorganism-based methods, biochemical equipment and methods, animal feed, etc., can solve the problem of high cost of raw materials, and achieve the effect of improving nutritional balance, resisting pathogen infection, and improving quality.

Active Publication Date: 2022-02-08
浙江炯炜海洋生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the raw material cost of this method is high

Method used

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  • Method for preparing fish meal from solid-state fermented aquatic waste

Examples

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Effect test

Embodiment 1

[0023] A method for preparing fishmeal from solid-state fermented aquatic product leftovers, comprising the steps of:

[0024] (1) Place the marine Rhodotorula and Bacillus subtilis on the potato sugar agar medium for slant culture; inoculate the marine Rhodotorula and Bacillus subtilis after the slant culture into the marine Rhodotorula and Bacillus subtilis Propagate the seed bottle culture medium, and inoculate the fermentation bottle with 5% inoculation amount of the bacterial liquid in the seed bottle of marine Rhodotorula and Bacillus subtilis according to the volume ratio of 2:1. Dried and ground to get marine rhodotorula-subtilis mixed bacteria powder; marine rhodotorula is rich in active substances such as β-glucan, mannan oligosaccharides, active polypeptides and astaxanthin, which can provide abundant fermentation for raw materials Nutrients and active peptides can inhibit inflammation and resist microbial infection, which is conducive to creating a healthy and harm...

Embodiment 2

[0033] A method for preparing fishmeal from solid-state fermented aquatic product leftovers, comprising the steps of:

[0034] (1) Place the marine Rhodotorula and Bacillus subtilis on the potato sugar agar medium for slant culture; inoculate the marine Rhodotorula and Bacillus subtilis after the slant culture into the marine Rhodotorula and Bacillus subtilis Propagate the seed bottle culture medium, and inoculate the fermentation bottle with 6% inoculum amount in the mixed culture of the fermented bottle with the bacterial solution of the marine Rhodotorula yeast and Bacillus subtilis seed bottle according to the volume ratio of 3:2. Dried and ground to get marine rhodotorula-subtilis mixed bacteria powder; marine rhodotorula is rich in active substances such as β-glucan, mannan oligosaccharides, active polypeptides and astaxanthin, which can provide abundant fermentation for raw materials Nutrients and active peptides can inhibit inflammation and resist microbial infection, ...

Embodiment 3

[0042] A method for preparing fishmeal from solid-state fermented aquatic product leftovers, comprising the steps of:

[0043] (1) Place the marine Rhodotorula and Bacillus subtilis on the potato sugar agar medium for slant culture; inoculate the marine Rhodotorula and Bacillus subtilis after the slant culture into the marine Rhodotorula and Bacillus subtilis Propagate the seed bottle medium, and inoculate the fermented bottle with 7% inoculation amount of the bacterial liquid in the seed bottle of marine Rhodotorula and Bacillus subtilis according to the volume ratio of 4:3. After the cultivation is completed, centrifuge, take the precipitate, and bake at 50°C Dried and ground to get marine rhodotorula-subtilis mixed bacteria powder; marine rhodotorula is rich in active substances such as β-glucan, mannan oligosaccharides, active polypeptides and astaxanthin, which can provide abundant fermentation for raw materials Nutrients and active peptides can inhibit inflammation and r...

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Abstract

The invention discloses a method for preparing fish meal from solid-state fermented aquatic leftovers. The fish meal is prepared by a microbial fermentation method, and protective agents potassium sorbate and (S)‑(+)‑3‑(1‑naphthalene are added during the preparation process of the microbial mixed bacterial powder. Oxygen)‑1‑phenyl‑1‑propanol; the fermentation process is as follows: the fermentation medium is divided into sterilized fermentation trays, the surface of the fermentation medium in the tray is covered with sterilized wet gauze, and then The trays are fermented on racks in a sterile solid fermentation room with a fermentation medium containing (Z)‑3‑hexenol and riboflavin. Beneficial effects: the present invention uses the leftovers of aquatic products as raw materials to ensure a lower cost, adopts microbial fermentation to produce fish meal, avoids high-temperature cooking in traditional processing methods, and can effectively avoid the loss and destruction of nutrients in fish meal; and the The fish meal prepared by the method has the advantages of antibacterial, antiviral and high digestion and absorption rate.

Description

technical field [0001] The invention relates to the technical field of aquatic products, in particular to a method for preparing fish meal from solid-state fermented aquatic product leftovers. Background technique [0002] Fishmeal is the main raw material of high-protein feed. It is a powdery or granular product obtained from fish, shrimp, crab and other aquatic animals or aquatic product processing waste through deoiling, drying and crushing. With the rapid development of aquaculture and fishing industry, the demand for aquatic feed protein is also increasing. High-quality fish meal can promote the absorption and utilization of high-nutrient substances by aquatic animals such as fish and shrimp, and then promote the growth and reproduction of fish and shrimp, and occupies a dominant position in today's aquatic feed. [0003] With the rapid development of the aquaculture industry, the demand for feed protein is also increasing. Especially high-quality fish meal, because i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K10/12A23K10/22A23K10/20A23K20/163A23K20/105A23K20/111A23K20/26A23K20/174C12N1/16C12N1/20C12R1/645C12R1/125
CPCA23K10/12A23K10/20A23K10/22A23K20/105A23K20/111A23K20/163A23K20/174A23K20/26A23K20/30C12N1/16C12N1/20
Inventor 张鹰炯王春利王志高张飞罗红宇
Owner 浙江炯炜海洋生物科技有限公司
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