Rapid and Green Methods for Qualitative Classification of <i>Polygonati</i> Rhizoma and <i>Polygonati</i> Odorati Rhizoma Using a Handheld near Infrared Instrument

<div>(a) Raw NIR spectra of the samples in the calibration set and (b) Spectra preprocessed by SNV.</div>

Journal of Chemistry

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Figure 1

Figure 1: Rapid and Green Methods for Qualitative Classification of <i>Polygonati</i> Rhizoma and <i>Polygonati</i> Odorati Rhizoma Using a Handheld near Infrared Instrument 

Figure 1 | Rapid and Green Methods for Qualitative Classification of Polygonati Rhizoma and Polygonati Odorati Rhizoma Using a Handheld near Infrared Instrument 