Rapid Quality Identification of Decoction Pieces of Crude and Processed <i>Corydalis</i> Rhizoma by Near-Infrared Spectroscopy Coupled with Chemometrics

<div>Correlation plots of factor, RMSECV, and PRESS: dehydrocorydaline (a) and tetrahydropalmatine (b). Correlation plots of the explained variance and factor: dehydrocorydaline (c) and tetrahydropalmatine (d).</div>

Journal of Analytical Methods in Chemistry

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Figure 3

Figure 3: Rapid Quality Identification of Decoction Pieces of Crude and Processed <i>Corydalis</i> Rhizoma by Near-Infrared Spectroscopy Coupled with Chemometrics 

Figure 3 | Rapid Quality Identification of Decoction Pieces of Crude and Processed Corydalis Rhizoma by Near-Infrared Spectroscopy Coupled with Chemometrics 