Study on the processing technology of antiasthmatic dropping pills
Purpose To optimize the preparation process of antiasthmatic dropping pills.Methods The processing technology was chosen by orthogonal decision based on the investigation of single affecting factor.Results The optimal processing technology was as follows: the ratio of drug mixtures to PEG was 1∶2.5 ,the temperature of drug liquid was 85 ,the dropping velocity was 40 drops per minute and the temperature of coolant liquid was ( 15 ± 5).Conclusion The dropping pills prepared through optimal technology had good hardness, roundness and weight difference.
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