520
90% Reduction: Scientists Discover Natural Molecule That Eradicates Plaques and Cavities
(scitechdaily.com)
Subscribe to see new publications and popular science coverage of current research on your homepage
So it seems that during the digestion in stomach acid the enzyme myrosinase is released from these plants (https://www.diindolylmethane-dim.com/formation.htm) responsible for the intermediate product DIM.
This means we could have DIM present in acidic meals of these vegetables, like for example Kimchi