Antibiotic activity of natural products: 1. Propolis

Brumfitt, W.; Hamilton-Miller, J.M.; Franklin, I.

Microbios 62(250): 19-22

1990


ISSN/ISBN: 0026-2633
PMID: 2110610
Document Number: 365840
Material extracted from propolis (bee glue) by alkaline aqueous solvents or organic solvents showed weak inhibitory activity in vitro against certain species of Gram-positive bacteria. No antimicrobial activity was detected in urine from three volunteers who had taken 500 mg propolis three times a day for 3 days.

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