Plant miRNAs reported to be found in human and/or porcine samples and our assessment of them being food sources.

In addition to plant species assessed in the study by Lukasik and Zielenkiewicz, we added some animals (Table 2) indicated as ‘new’. Unlikely food sources are highlighted in bold. X: cannot be tested with the given data. ‘hsa’ and ‘ssc’ in the Note column mean that Lukasik and Zielenkiewicz report a significant identification for human and/or pig, respectively. Data also available as Table A in S2 File.