A Preferable Approach for the Quality Control of Xiaoer Chiqiao Qingre Granules Based on the Combination of Chromatographic Fingerprints and Chemometrics

<div>(a) Dendrogram of cluster analysis of 16 batches based on the single-wavelength fingerprint (250 nm). (b) Dendrogram of cluster analysis of 16 batches based on the multiwavelength fingerprint. (c) OPLS-DA score scatter plots of 16 batches of XCQG. (d) Variable important plot result.</div>

Journal of Analytical Methods in Chemistry

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Figure 3: A Preferable Approach for the Quality Control of Xiaoer Chiqiao Qingre Granules Based on the Combination of Chromatographic Fingerprints and Chemometrics 

Figure 3 | A Preferable Approach for the Quality Control of Xiaoer Chiqiao Qingre Granules Based on the Combination of Chromatographic Fingerprints and Chemometrics 