- P-ISSN 1225-0163
- E-ISSN 2288-8985
The two metabolites, Aaptamine(1) and Demethyl(oxy)aaptamine(2) were isolated from marine Sponge Luffariella sp., collected in October 1992, Manado Bay, Sulawesi in Indonesia showed in vitro activity against KB cancer cell line. Their structures were elucidated by <TEX>$^1H-$</TEX>, <TEX>$^{13}C-NMR$</TEX>, <TEX>$^1H-^{13}C$</TEX>(1 bond) heteronuclear multiple quantum coherence spectroscopy(HMQC), electron ionization mass spectroscopy(EIMS), ultra-violet spectroscopy(UV) and infrared spectroscopy(IR).