Research Article
Vibrational Spectroscopy-Based Chemometrics Analysis of Clinacanthus nutans Extracts after Postharvest Processing and Extract Effects on Cardiac C-Kit Cells
Figure 2
(a–d) PCA-X score scatter plots of parameters 1–4 (solvent polarity, solid-liquid ratio, extraction duration, and the cycle of extraction) at PC1 and PC2.
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