XUE Gui-peng, XING Jian-guo, LENG Ying-li, et al. Moulding Process of Tongzhi Surunjiang Dropping Pills[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(19): 14-16.
XUE Gui-peng, XING Jian-guo, LENG Ying-li, et al. Moulding Process of Tongzhi Surunjiang Dropping Pills[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(19): 14-16.DOI:
Objective: To determine the optimum moulding process of Tongzhi Surunjiang dropping pills. Method: Single experiment and orthogonal design were used to optimize temperature of drug liquid
temperature of cooling
internal and external diameter of emitter
dropping distance and dropping rate.Roundness
hardness
resolving time and pill weight difference were used as criteria. Result: The optimum moulding process was as follow:PEG4000-drug was 1.5 ∶1
internal and external diameter of emitter were 2.5 mm and 3.0 mm
dimethyl silicone oil was coolant
temperature of cooling liquid was 10 ℃
temperature of drug liquid was 90 ℃
dropping rate was 40 drops·min-1
dropping distance was 6 cm. Conclusion: This process is stable and feasible.