Study of Methanol Extracts from Different Parts of Peganum harmala L. Using ¹H-NMR Plant Metabolomics

Figure 2

PCA score plot of the NMR spectra of the methanol extracts of the six different P. harmala parts (“red,” “yellow,” “blue,” “green,” “magenta,” and “black” dots represent the stem, root, testa, seed, flower, and leaf of the plant, respectively).