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. 2021 Aug 31;13(9):1367. doi: 10.3390/pharmaceutics13091367

Figure 4.

Figure 4

Heatmap reflecting the concentration of amino acids (essential and non-essential) in the selected medicinal plants’ parts. Color of the heatmap ranging from deep red to deep blue (i.e., scale 3 to −1) indicates higher to lower concentration of the amino acids.