Actividad antibacteriana de terpenoides y alcaloides aislados de tres plantas colombianas

the antibacterial potential of 14 compounds obtained from three native colombian species( [pleurothyrium cinereum [van der werff], esenbeckia alata [karst & triana], reputia heptaphylla [pittier]) was assessed by agar diffusion method versus four bacterial species: enterococcus faecalis 29212, staphylococcus aureus 6539, escherichia coli 25922 and salmonella tiphymurium 14028s. the assessed compounds showed activity versus strains at different levels, maintaining a trend and selectivity according the base nucleus. the 4-methoxi-1-methyl-quinolin-2-(1h) alkaloid, other (8) was the compound with the highest activity.