Abstract
In previous work, the phytochemical study of the root bark of seedelings of Maytenus ilicifolia (Celastraceae), associated with the evaluation of biological activity, led to the isolation of quninemethide triterpenes with potent antioxidant and antitumor activities. Among the isolated quinonemethides, those who showed the best biological results were maytenin, 22 ²-hydroximaytenin and pri…