Identification and antibacterial activity of benzylisoquinoline alkaloids from L. and H. roots.

L. and H. are native mountain plants of Chile and Argentina, characterised by their benzylisoquinolic alkaloid content.

Geographic Area of Collection Determines the Chemical Composition and Antimicrobial Potential of Three Extracts of Chilean Propolis.

The biological properties of chilean propolis have been described and include antibacterial, antifungal and antibiofilm activities. Propolis has a strong antimicrobial potential. Clinical experiences with synthetic antibiotics indicated the need to discover new sources of bioactive compounds associated with ethnopharmacological knowledge or natural sources such as propolis.