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中文摘要：
采用高效液相色谱获得藿香正气水的色谱指纹图谱，利用基于主成分分析的投影判别法和聚类分析法分析实验结果。结果表明，不同厂家生产的藿香正气水存在显著差异，且主成分分析投影判别法和聚类分析法均能对样品进行正确分类，从而建立了识别不同厂家藿香正气水的方法，能有效地控制中药藿香正气水的质量。
英文摘要：
High performance liquid chromatography was adopted to develop the fingerprint of Huoxiang Zhengqi Tincture. In this study the technique of projection discriminance based on principal component analysis （PCA） and cluster analysis was applied to investigate the experimental data. The results showed that there was obvious difference among the Huoxiang Zhengqi Tincture samples produced by different manufacturers. The technique of projection discriminance based on principal component analysis （PCA） and cluster analysis can be correctly used to distinguish the classes of different samples,which established a method to distinguish Huoxiang Zhengqi Tincture produced by different manufacturers, and the method developed can be effectively used to control the quality of traditional Chinese medicine Huoxiang Zhengqi Tincture.
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