Vinaginsenoside R4 has melanogenic inhibitory activity, it may have potential as a new skin whitening compound.

Stictic Acid (Scopularic acid) is isolated from a Sumatran lichen Stereocaulon montagneanum and inhibits the growth of HT-29 human colon adenocarcinoma cells with an IC50 of 29.29 μg/ml.

Methyl homoveratrate is a metabolite of McN5691 in plasma, urine and faecal extract. McN5691 is a voltage-sensitive calcium channel blocker.?