Research Article
Rapid Quality Assessment of Polygoni Multiflori Radix Based on Near-Infrared Spectroscopy
Table 2
Qualitative results of the classification of the sample set of the model.
| Ingredients | Calibration set | Prediction set | Number of samples | Range (%) | Number of samples | Range (%) |
| Moisture | 100 | 4.5–13.0 | 38 | 7.5–13.0 | Stilbene glycosides | 102 | 0.02–4.75 | 34 | 0.08–4.00 | Anthraquinone glycosides | 102 | 0.00–0.40 | 34 | 0.00–0.36 |
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