Intestinal mucosa-improving selenium supplement and its preparation method and use
A technology for intestinal mucosa and selenium supplementation, applied in applications, animal feed, animal feed, etc., can solve the problems of narrow safety limit of selenium, low bioavailability, strong toxicity of sodium selenite, etc., achieve a large safety range and enhance immunity Effect, good effect of enhancing immune function
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Embodiment 1
[0048] Embodiment 1, a kind of preparation method of intestinal mucosa improving type selenium supplement, carry out following steps successively:
[0049] 1) Grind the montmorillonite to 60 mesh, add water and stir evenly to make a montmorillonite suspension slurry with a mass concentration of 2%;
[0050] 2) Chitosan selenium was crushed to 40 mesh to obtain chitosan selenium powder;
[0051] 3) Add chitosan selenium powder to the montmorillonite suspension slurry obtained in step 1) and mix, adjust the pH to 2 with glacial acetic acid, and react at 40°C for 5 hours;
[0052] The weight ratio of the chitosan selenium powder and the montmorillonite in the montmorillonite suspension slurry is 1:3;
[0053] 4), wash the reaction mixture obtained in step 3) with water 4 times (wash with double distilled water until the pH of the washing liquid after washing is neutral), filter with suction, and dry at low temperature (dry at 60°C for 10 hours, thereby Make the water content ≤ ...
Embodiment 2
[0060] Embodiment 2, a preparation method of an intestinal mucosa-improving selenium supplement, the following steps are carried out in sequence:
[0061] 1) Grind the montmorillonite to 80 mesh, add water and stir evenly to make a suspension slurry of montmorillonite with a mass concentration of 5%;
[0062] 2) Chitosan selenium was pulverized to 50 mesh by conventional pulverization method to obtain chitosan selenium powder;
[0063] 3) Add chitosan selenium powder to the montmorillonite suspension slurry obtained in step 1) and mix, adjust the pH to 3 with glacial acetic acid, and react at 60°C for 6 hours;
[0064] The weight ratio of the chitosan selenium powder and the montmorillonite in the montmorillonite suspension slurry is 1:5;
[0065] 4) The reaction mixture obtained in step 3) was washed with water, suction filtered, dried at low temperature (at 60°C for 10 hours), and crushed to 200 mesh to obtain an intestinal mucosa-improving selenium supplement.
[0066] Th...
Embodiment 3
[0071] Embodiment 3, a preparation method of intestinal mucosa-improving selenium supplement, the following steps are carried out in sequence:
[0072] 1) Grind the montmorillonite to 80 mesh, add water and stir evenly to make a suspension slurry of montmorillonite with a mass concentration of 8%;
[0073] 2) Chitosan selenium was pulverized to 60 mesh by conventional pulverization method to obtain chitosan selenium powder;
[0074] 3) Add chitosan selenium powder to the montmorillonite suspension slurry obtained in step 1) and mix, adjust the pH to 3 with glacial acetic acid, and react at 60°C for 8 hours;
[0075] The weight ratio of the chitosan selenium powder and the montmorillonite in the montmorillonite suspension slurry is 1:5;
[0076] 4) Wash the mixed solution obtained in step 3) with water for 5 times, filter it with suction, dry it, and crush it to 300 mesh to obtain an intestinal mucosa-improving selenium supplement.
[0077] The selenium content of the intesti...
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