Amphibian skin secretions are considered a rich source of biologically active compounds and are known to be rich in peptides, bufadienolides and alkaloids. Bufadienolides are cardioactive steroids from animals and plants ...

Little is known on the composition of Peruvian Amazon toad venoms. The large toad Rhinella marina is common in the cleared tropical forests of the Iquitos region and is regarded as poisonous. The venom from two different ...