, isolimonexicacidmethylether, in addition to the the previously isolated limonin, deacetylnomilin, obacunone
and ichangin. The structure elucidation was achieved primarily through 1D and 2-D-NMR
analyses. The marginal antimalarial activity of isolimonexicacidmethylether is reported.
Key words: Citrus, Limonoids, IsolimonexicAcidMethylEther
Limonoids comprise a group of highly oxygen-
ated tetracyclic triterpene derivatives, which are
widely distributed in plants of Rutaceae and Me-
liaceae (Champagne et al., 1992; Nakatani, 2001).
There are about fifty