Steppogenin exhibits significant tyrosinase inhibition activity, ;it also shows strong mushroom tyrosinase inhibitory activity with IC(50) values lower than 50 microM, more potent than kojic acid (IC(50) = 71.6 microM), a well-known tyrosinase inhibitor.

Ginsenoside Rs1 is extracted from Panax ginseng root.

Celgosivir (6 O-butanoyl castanospermine) is an inhibitor of α-glucosidase I. In vitro assay, it inhibits bovine viral diarrhoea virus (BVDV) ( IC50: 1.27 μM ).