Veterinary drug composition capable of enhancing immunity and preparation method of veterinary drug composition
A technology of composition and immunity, which is applied to the preparation of the pharmaceutical composition and the field of livestock and poultry with low immunity, and can solve the problems of the composition and preparation method that have not been seen before
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Embodiment 1
[0018] Example 1 Preparation of astragalus ultrafine powder: ultrafinely pulverize astragalus to a particle size below 100 μm, and the D50 of the particle size distribution center is 8 μm for later use. Preparation of Angelica extract: extract Angelica sinensis twice with water according to a conventional method, combine the extracts and concentrate under reduced pressure to twice the weight of the original medicinal material for later use. Add 25 parts by weight of astragalus superfine powder to 75 parts by weight of angelica extract (calculated as the original medicinal material of angelica sinensis), stir evenly in a high-speed homogenizer, take out and add conventional pharmaceutical auxiliary materials such as starch or glucose to granulate to obtain final product.
Embodiment 2
[0019] Example 2 Preparation of astragalus superfine powder: Superfine astragalus to a particle size of less than 10 μm, with a particle size distribution center D50 of 5 μm for later use. Preparation of Angelica extract: extract Angelica sinensis twice with water according to a conventional method, combine the extracts and concentrate under reduced pressure to 0.5 times the weight of the original medicinal material for later use. Add 75 parts by weight of astragalus superfine powder to 25 parts by weight of angelica extract (calculated as the original medicinal material of angelica), stir evenly in a high-speed homogenizer, take out, dry, and pulverize to fine powder.
Embodiment 3
[0020] Example 3 Preparation of astragalus superfine powder: Superfine astragalus to a particle size of less than 10 μm, with a particle size distribution center D50 of 1 μm for later use. Preparation of Angelica extract: extract Angelica sinensis twice with water according to the conventional method, combine the extracts and concentrate under reduced pressure to 3 times the weight of the original medicinal material for later use. Add 50 parts by weight of astragalus superfine powder to 50 parts by weight of angelica extract (calculated as the original medicinal material of angelica), put it in a high-speed homogenizer and stir evenly, take it out, dry it, pulverize it into a fine powder, add starch or glucose and other conventional Pharmaceutical excipients are granulated, ready to use.
[0021] Pharmacodynamic experiment
[0022] For exactly evaluating the curative effect of the present invention, now the prescription screening situation in conjunction with pharmacodynamics...
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