Journal published study that suggests that due to annonaceous acetogenins, papaya leaf biomass could be used for an anti-cancer drug.
Annonaceous acetogenins are similar to long-chain fatty acids. JL McLaughlin of Purdue University also has produced research claiming that it is the effect of the annonaceous acetogenins in the papaya leaf that have effect against cancer. He claims, [in the papaya leaf] “….powerful cytotoxicity, in vivo antitumor, pesticidal, antimalarial, anthelmintic, piscicidal, antiviral, and antimicrobial effects indicated a myriad of potentially useful applications. ”