Camptothecin is a plant secondary metabolite used as an anti-
cancer drug that damages
DNA, leading to the destruction of the
cell. It comes from
Camptotheca acuminata, a
deciduous tree found in southern
China. Stem woods of Nothopodytes foetida (previously known as Mappia foetida) found in the western
ghats of India are an even better source of camptothecin.(2) A close analogue, 9-methoxycamptothecin, is also present in the same source.
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An anticancer drug that belongs to the family of drugs called topoisomerase inhibitors.