...醇沉工艺; 颗粒沉降过程; 沉降方式; 紫外分光光度法 [gap=1990]Key words：Traditional Chinese medicine; Alcohol precipitation process; Particle settling; Sedimentation pattern; UV spectrophotometry ..
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Objective:To compare the fit and unfit of alcohol precipitation process and chitosan flocculation process used in purification of extract of yanyan buccal tablets.
目的：比较醇沉法和壳聚糖絮凝法用于咽炎口含片浸膏纯化的优劣。
Objective: The effect of separation rates on the quality and shelf life of TCM in the process of alcohol precipitation was discussed.
目的：简要讨论醇沉过程中分离程度对中药质量、保质期等的影响。
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