Microcapsule compound feed additive and preparation method thereof
A compound feed and microencapsulation technology, which is used in the molding or processing of animal feed, animal feed, animal feed, etc., to reduce the incidence of disease, ensure intestinal health, and improve feed conversion rate.
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Embodiment 1
[0045] The preparation of embodiment 1 lactic acid bacteria microcapsule
[0046] Preparation of Enterococcus faecalis microcapsules:
[0047] ①Wall material composition: weight ratio: gum arabic: corn protein: modified starch = 1:0.5:1, mix evenly;
[0048] Prepare the wall material composition into a 15% solution, heat to 70°C, stir evenly to dissolve it, and cool to 35-45°C;
[0049] ②Add Enterococcus faecalis bacteria slime to the above wall material solution, the weight volume ratio of the bacteria sludge to the wall material solution is 1:5, that is, add 1 kg of bacteria slime to 5L wall material solution, homogeneously emulsify, and rotate at 2000rpm to obtain emulsification liquid;
[0050] ③ The emulsion was spray-dried, the inlet temperature was 160°C, the outlet temperature was 70°C, and the rotation speed of the atomizer was 20,000rpm to obtain the Enterococcus faecalis microcapsule preparation, and the number of viable bacteria in the microcapsules was 2×10 10 ...
Embodiment 2
[0080] The preparation of embodiment 2 eucommia extract microcapsules
[0081] ① Wall material composition: gum arabic, modified starch weight ratio: 1:1
[0082] The wall material is prepared into a 10% solution, heated to 70°C, stirred evenly to dissolve it, and cooled to 45°C;
[0083] ②Add the Eucommia extract to the wall material solution, the weight volume ratio of the Eucommia extract to the wall material solution is 1:5, homogeneously emulsify, and the rotation speed is 1000rpm;
[0084] ③ The emulsion was spray-dried, the inlet temperature was 180° C., the outlet temperature was 90° C., and the rotation speed of the atomizer was 20,000 rpm to obtain the Eucommia microcapsule preparation.
Embodiment 3
[0085] The preparation of embodiment 3 eucommia extract microcapsules
[0086] ①Wall material composition: agar, maltodextrin weight ratio: 1:2.5
[0087] The wall material is prepared into a 20% solution, heated to 60°C, stirred evenly to dissolve it, and cooled to 40°C;
[0088] ②Add the Eucommia extract to the wall material solution, the weight volume ratio of the Eucommia extract to the wall material solution is 1:7.5, homogeneously emulsify, and the rotation speed is 2000rpm;
[0089] ③ The emulsion was spray-dried, the inlet temperature was 170° C., the outlet temperature was 70° C., and the rotation speed of the atomizer was 2000 rpm to obtain the Eucommia microcapsule preparation.
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