Annona cherimolia Mill,(Annonaceae)is a subtropic fruit tree cultivated in the southern part of Taiwan.It grows indigenously in Ecuador and Peru and has been used for the treatment of skin disease,especially for boils in folk medicine[1].Although Annonaceous acetogenins constitute the majority of natural products from Annonaceae of Taiwan,a large but significant number of alkaloids have been described[2].These include oxoaporphines,aporphines,benzylisoquinolines,proaporphines,isoquinolones,and some amides.As part of our continuing investigation on the alkaloids of Formosan Annonaceous plants,we have isolated several alkaloids from the methanol stem extract of A.purpurea[3].The chemical and biological activities of the roots of A.cherimolia have not yet been reported.In the course of screening for biologically and chemically novel agents from Formosan Annonaceous plants,A.cherimolia was chosen for further phytochemical investigation.
С Y.Chen、C L.Kao、C.E.Kuo
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School of Medical and Health Sciences,Fooyin University,83102,Kaohsiung,Taiwan
Tzu Hui Institute of Technology,Pingtung County,Taiwan
NSTL
