[Study on applying principle component analysis to data processing on chromatographic fingerprints for Pinellia Cum Bile].
OBJECTIVE: To explore the utility of principle component analysis (PCA) on chromatographic data for quality control to Dannanxing (Pinellia Cum Bile). METHOD: Chromatographic fingerprints of sample were determined by TLC, PCA and multivariat analysis were used for data processing. RESULT: The quantitative differences among samples procesed with different biles and heating time were found with the method. CONCLUSION: PCA could be used in data processing for chromato-gramphic fingerprints of Dannanxing.
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