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[Optimization of preparing technology for qiju dihuang oral liquid by orthogonal method]
Abstract:
L9(3)4 orthogonal experiment was performed to improve the clarity of Qiju Dihuang Oral Liquid. The result shows that the optimum pretreatment technology for the liquid includes alcohol concentration 75%, liquid pH 4.2 freezing temperature 3 degrees C and freezing time 48 hours.