Fig. 6From: Authentication of milk thistle commercial products using UHPLC-QTOF-ESI + MS metabolomics and DNA metabarcodingSankey diagram summarizing detected species (declared and non-declared on the label), from the retained samples, using DNA metabarcoding. Only species represented by ZOTUs detected in ≥2 replicates and with ≥2 reads are shown. Sizes of flows denote proportions of reads at the species levelBack to article page