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. 2021 Nov 12;13(11):1916. doi: 10.3390/pharmaceutics13111916

Figure 3.

Figure 3

FTIR-ATR spectra of lyophilized extract L5 and formulations F1–F3 (a) and F4–F6 (b), where F1–F6 corresponds to formulations F1–F6 and F1′–F6′ corresponds to the theoretical sum of the spectra of the lyophilized extract L5 and the excipient base used to prepare the formulation F1–F6.