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. 2021 Feb 11;11:3650. doi: 10.1038/s41598-021-82831-y

Figure 3.

Figure 3

The bile acids and oxo bile acids investigated in the soil samples from Pompeii with chromatograms obtained by LC–ESI–MS. The general structure of the microbiota products from dehydrogenase enzymes are reported subdivided into mono, di e try oxo-metabolites.