[Chemical constituents of annonaceae plants and their antitumor activities].

This report is the summary of our research on the chemical constitutents and their antitumor activities of Annonaceae plants. Annonaceous acetogenins, polyoxy-cyclohexenoids, and styryl-lactones from Annonaceae are the main constituents of antitumor activities. They are expected to develop a kind of new antitumor medicines.