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目的建立体现川白芷道地性的分析方法。方法采用1HNMR采集不同道地产区川白芷样品的信息,用模式识别中的主成分分析法分析不同川白芷样品的数据。结果不同产地川白芷样本间存在微小的差异,但总体趋于一致。其中,以遂宁地区所产川白芷样品的变化最小,说明其稳定性最好。分析结果与公认的川白芷的道地性相吻合。结论1HNMR-PR分析方法可客观、快速、有效地鉴别川白芷的道地性,也可为其他中药材的道地性分析提供参考。
Objective To establish an analytical method that reflects the authenticity of Chuanbaizhi Road. Methods 1HNMR was used to collect the samples of Angelica dahuricae from different regions of China. The principal component analysis (PCA) of pattern recognition was used to analyze the data of Angelica dahurica samples. Results There were slight differences among the samples of Radix Angelicae Sinensis from different areas, but the overall trend was the same. Among them, the Suining area Chuan Angelica produced the smallest changes in samples, indicating the best stability. The results of the analysis agree well with the authenticity of Chuan Baizhi. Conclusion 1HNMR-PR method can objectively, rapidly and effectively identify the authenticity of Chuan Baizhi, and also provide a reference for the authenticity analysis of other Chinese herbal medicines.