| screening of antibacterial activity of amaicha del valle (tucumán, argentina) propolis. | propolis is extensively used in argentine folk medicine. alcoholic extracts of propolis from four localities of amaicha del valle (el paraiso, la banda este, la banda oeste and el molino), province of tucumán and from cerrillos, province of santiago del estero, argentina were prepared. all showed antibacterial activity against gram positive bacteria, the propolis from la banda este being the most active (mic = 7.8 microg/ml) against streptococcus piogenes, an antibiotic resistant bacterium. thin ... | 1999 | 10624867 |