Fibrauretine powder for injection and its production process
A technology of chrysanthemum and powder injection, applied in powder delivery, digestive system, antibacterial drugs, etc., can solve the problems of waste of packaging bottles, impact on first aid time, improvement, etc., and achieve stable and reliable products, stable product quality, and large doses Effect
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Embodiment 1
[0022] The emodin microcapsule powder injection was prepared by double emulsion encapsulation method. formula:
[0023] Rhubarb 25g
[0024] Ethylcellulose 300g
[0025] Gum Arabic 35g
[0026] Preparation Process:
[0027] Under the condition of grade 100,000, dissolve ethylcellulose in 500ml of ethyl acetate, and pay attention to completely dissolve it to obtain an organic phase (containing an appropriate amount of di-n-butyl phthalate as a plasticizer). Dissolve chrysanthemum in 500ml of water for injection, add gum arabic to dissolve it, and then add it dropwise and disperse it in the above organic phase to form a W / O emulsion. And further form double milk. Filter and dry at low temperature to obtain microcapsules with a diameter of less than 10 μm. The inner and outer layers of the microcapsule are gum arabic membranes, and the middle layer is ethyl cellulose membrane. The microcapsules are then mixed evenly with 300g fine glucose powder for injection, and subpacke...
Embodiment 2
[0029] The emodin microcapsule dry powder injection was prepared by spray drying method. formula:
[0030] Rhubarb 50g
[0031] Ethyl cellulose 800g
[0032] Hypromellose 20g
[0033] Preparation Process:
[0034] Under the condition of grade 100,000, dissolve chrysophanin in 15,000ml of ethyl cellulose and hypromellose in isopropanol, select the inlet temperature at 80°C-100°C, and the outlet temperature at 50°C-75 ℃. The gas-substance-airflow spray dryer is selected, and the injection speed is controlled to be slow, so that the particle size of the product can reach a diameter of less than 10 μm, and the microcapsules of emodin are obtained after spray drying. This microcapsule mixes evenly with the mannitol fine powder of 400g injection again, by every ~1270mg (actual amount is determined according to test result), packs under the powder injection production condition, the powder injection of chrysanthemum ( Specification: 50mg).
Embodiment 3
[0036] Rhubarb lyophilized powder injection. formula:
[0037] Rhubarb 20g
[0038] Mannitol 100g
[0039] The preparation process is the same as in Example 1.
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