Method for preparing fish meal through solid state fermentation of leftovers of aquatic products
A technology for aquatic waste and solid-state fermentation, 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, improving fermentation efficiency, and resisting pathogen infection
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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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