ABSTRACT: OBJECTIVE To optimize the drying equipment of traditional Chinese medicine pills. METHODS Xiangsha Liujun pills, Qiju Dihuang pills and Bushen Tuojing pills were dried by microwave drying equipment, hot air circulating oven and microwave vacuum drying equipment respectively. The best drying equipment was selected according to the drying time, moisture content and effective ingredients after drying.
Results The drying time of microwave vacuum drying was relatively short, and the loss of active ingredients was minimum. CONCLUSION The experimental results can be used as the technological basis for the selection of drying equipment for traditional Chinese medicine pills.
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