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. 2017 Mar 8;8:368. doi: 10.3389/fmicb.2017.00368

Figure 3.

Figure 3

Levels of the indicated metabolites in the PPA and WBM culture supernatants of P. freudenreichii. t0 refers to uncultured media that were used as the negative control in the experiments; t1—24 h in PPA, 30 h in WBM; t2—72 h; t3—168 h.