(+)-Intermedine, a pyrrolizidine alkaloid (PA), shows remarkable cytotoxic activity against neural progenitor cells (NPCs).

Buquinolate is an anticoccidial agent used in poultry, and the medicated chickens can produce higher levels of egg production and gain weight. Buquinolate does not interfere with the formation of immunity against coccidia.

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