Published in 2007 in the journal Planta Medica, researchers found that an enzyme extracted from pineapple stems known as bromelain was superior to the chemo-agent 5-fluorauracil in treating cancer in the animal model. The researchers stated:
This antitumoral effect [bromelain] was superior to that of 5-FU [5-fluorouracil], whose survival index was approximately 263 %, relative to the untreated control. [view entire study]
