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. 2021 Jan 13;10(1):157. doi: 10.3390/foods10010157

Figure 7.

Figure 7

1H NMR stacked plot spectra of Mexican mezcals (as in Figure 1) with preliminary signal assignments based on literature (A) and OPLS-DA [to,1] loading plots as a function of proton chemical shifts with identified metabolites and their assigned chemical shifts (B).