A kind of biological color enhancer and its application in aquatic animal breeding
A technology for aquatic animals and color enhancers, applied in applications, animal feed, animal feed, etc., can solve the problems of reducing the commodity value of farmed fish and the economic loss of farmers, so as to improve the body's disease resistance, maintain the health of the digestive tract, Preparation cost balance effect
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Embodiment 1
[0027] Example 1: Comparison of Astaxanthin-producing Ability of Different Yeast Strains and Formula Optimization of Yeast Medium
[0028] 1 Materials and methods
[0029] 1.1 Bacteria used in the test
[0030] Rhodotorula viscosus (N), Rhodotorula deep-glucose (SN), Rhodotorula marine (H), and Rhodotorula (R8) are existing yeasts in the Biological Research Institute of Shandong Baolai Lilai Bioengineering Co., Ltd.
[0031] Phaffia rhodozyma (R5) was purchased from China Industrial Microorganism Culture Collection and Management Center, the strain number is CICC33064, and it is a yeast strain capable of producing astaxanthin.
[0032] 1.2 Comparison of astaxanthin-producing ability of different yeast strains
[0033] Using the basic formula of yeast culture medium as the fermentation medium, different yeast strains were fermented and cultured, and their ability to produce astaxanthin was determined by the dimethyl sulfoxide method.
[0034] The basic formula of the yeast m...
Embodiment 2
[0063] Embodiment 2: the preparation of biological color enhancer
[0064] 1 Raw material composition
[0065] Consists of the following raw materials in parts by weight:
[0066] 70 parts of Phaffia rhodozyme spray-dried powder, 10 parts of Phaffia rhodozyme freeze-dried powder, 10 parts of lactic acid bacteria fermentation product, 6 parts of antibacterial peptide, 3 parts of stone powder, and 1 part of glutamine.
[0067] Among them, the spray-dried powder of Phaffia rhodozyme and the freeze-dried powder of Phaffia rhodozyme are prepared by spray-drying and freeze-drying the fermented liquid obtained by fermenting and culturing Phaffia rhodozyme on a yeast medium. Fermentation cultivation, spray drying, and freeze drying operations are all conventional technical means in the prior art.
[0068] Phaffia rhodozyma was purchased from China Industrial Microorganism Culture Collection and Management Center, the strain number is CICC33064, and it is a yeast strain capable of pr...
Embodiment 3
[0074] Embodiment 3: the preparation of biological color enhancer
[0075] Raw material composition:
[0076] 60 parts of Phaffia rhodozyme spray-dried powder, 12 parts of Phaffia rhodozyme freeze-dried powder, 8 parts of lactic acid bacteria fermentation product, 8 parts of antibacterial peptide, 2 parts of stone powder, and 1.5 parts of glutamine.
[0077] The preparation method is the same as in Example 2.
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