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

<div>The HPLC chromatograms of mixed standards (a), crude CR (b), and processed CR (c). The peaks of 1, 2, 3, 4, 5, 6, and 7 represent protopine, palmatine chloride, berberine, dehydrocorydaline, tetrahydropalmatine, tetrahydroberberine, and corydaline, respectively.</div>

Journal of Analytical Methods in Chemistry

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Figure 1

Figure 1: Rapid Quality Identification of Decoction Pieces of Crude and Processed <i>Corydalis</i> Rhizoma by Near-Infrared Spectroscopy Coupled with Chemometrics 

Figure 1 | Rapid Quality Identification of Decoction Pieces of Crude and Processed Corydalis Rhizoma by Near-Infrared Spectroscopy Coupled with Chemometrics 