The changes of hydrogen peroxide(H2O2) metabolism and antioxidant enzyme activities in a hybrid poplar(Populus simonii ×P.pyramidalis ‘Opera 8277’) in re
Camptothecine(CPT) and hydroxycamptothecin(HCPT), two kinds of anti-cancer alkaloids, were extracted from Camptotheca acuminata leaves using homogenate extracti