Long-acting cefquinome sulfate injection and preparation method thereof
A technology of cefquinoxime sulfate and injection, applied in the field of medicine, can solve problems such as short action time, and achieve the effects of slow release, cost saving, and long-term storage without discoloration
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Embodiment 1
[0030] A long-acting cefquinome sulfate injection consists of the raw materials of the following components:
[0031] Each 100ml injection contains the following components:
[0032]
[0033] The balance is the solvent for injection
[0034] Described suspending agent is hydrogenated castor oil;
[0035] The dispersant is span-60;
[0036] The stabilizer is PG;
[0037] The injection vehicle is ethyl oleate for injection.
[0038] A preparation method for long-acting cefquinome sulfate injection, specifically comprising the following steps:
[0039] (1) Add 10g of ethyl cellulose and 1g of hydroxypropyl cellulose to 500ml of 70wt% ethanol aqueous solution, then add 6g of cefquinome sulfate (containing 5g of cefquinome) to the above solution, at room temperature , stirred and dissolved, filtered through a 0.22 μm microporous membrane to sterilize, and spray-dried to obtain the cefquinome sulfate slow-release carrier;
[0040] (2) Add 1g of hydrogenated castor oil, 0.2g...
Embodiment 2
[0043] A long-acting cefquinome sulfate injection consists of the raw materials of the following components:
[0044] Each 1000ml injection contains the following components:
[0045]
[0046] The balance is the solvent for injection
[0047] Described suspending agent is aluminum stearate;
[0048] The dispersant is span-60;
[0049] The stabilizer is vitamin E;
[0050] The injection vehicle is soybean oil for injection.
[0051] A preparation method for long-acting cefquinome sulfate injection, specifically comprising the following steps:
[0052] (1) Add 50g of ethyl cellulose and 5g of hydroxypropyl cellulose into 2500ml of 70wt% ethanol aqueous solution, then add 30g of cefquinome sulfate (containing 25g of cefquinome) into the above solution, and place at room temperature , stirred and dissolved, filtered through a 0.22 μm microporous membrane to sterilize, and spray-dried to obtain the cefquinome sulfate slow-release carrier;
[0053] (2) Add 5g of aluminum st...
Embodiment 3
[0056] A long-acting cefquinome sulfate injection consists of the raw materials of the following components:
[0057] Each 10000ml injection contains the following components:
[0058]
[0059] The balance is the solvent for injection
[0060] Described suspending agent is beeswax;
[0061] The dispersant is Tween-80;
[0062] The stabilizer is PG and BHT;
[0063] The injection vehicle is glycerol triacetate for injection.
[0064] A preparation method for long-acting cefquinome sulfate injection, specifically comprising the following steps:
[0065] (1) Add 750g of ethyl cellulose and 100g of hydroxypropyl cellulose to 10000ml of 70wt% ethanol aqueous solution, then add 120g of cefquinome sulfate (containing 100g of cefquinome) to the above solution, at room temperature , stirred and dissolved, filtered through a 0.22 μm microporous membrane to sterilize, and spray-dried to obtain the cefquinome sulfate slow-release carrier;
[0066] (2) Add 200g of beeswax, 10g of ...
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