Penicinoline is an alkaloid that has been found in Penicillium and has antimalarial, insecticidal, and anticancer activities.1,2 It is active against chloroquine-sensitive and -resistant strains of P. falciparum (IC50 = 25 uM for both).1 Penicinoline (1,000 ppm) is also active against the aphid A. gossypii.2 It inhibits proliferation of 95-D and HepG2 cancer cells (IC50s = 0.57 and 6.5 ug/ml, respectively) but not HeLa, KB, KBv200, or Hep-2 cells (IC50s = >100 ug/ml).