Isorhapontin inhibits the activity of Trichoderma cellobiohydrolase I (Ki = 57.2 μM) and Trichoderma endoglucanase I. Isorhapontin shows antifungal activity.

Methyl nomilinate from citrus can modulate cell cycle regulators to induce cytotoxicity in human colon cancer (SW480) cells in vitro.

Brassinolide is a plant hormone. The first isolated brassinosteroid, it was discovered when it was shown that pollen from rapeseed (Brassica napus) could promote stem elongation and cell division.