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Secondary Metabolites from Centaurea deusta with Antimicrobial Activity Anastasia Karioti

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Secondary Metabolites from Centaurea deusta with Antimicrobial Activity

Anastasia Karioti

a

, Helen Skaltsa

a,

*, Diamanto Lazari

a

, Marina Sokovic

b

, Begon˜a Garcia

c

and Catherine Harvala

a

a Department of Pharmacognosy, School of Pharmacy, University of Athens, Panepistimiopolis, Zografou, GR-157 71, Athens, Greece. Fax: +3 01 08 61 39 65.

E-mail: skaltsa@pharm.uoa.gr

b Department of Plant Physiology, Mycological Laboratory, Institute for Biological Research, 29 Novembar 142, 11 000 Belgrade, Yugoslavia

c Department of Organic Chemistry, Faculty of Chemistry, Valencia University, 46100-Burjassot (Valencia), Spain

* Author for correspondence and reprint requests

Z. Naturforsch.57 c,75Ð80 (2002); received September 14/October 18, 2001 Centaurea deusta, Sesquiterpene Lactones, Antifungal and Antibacterial Activity

The aerial parts of Centaurea deusta Ten. afforded in addition to several known com- pounds, mainly sesquiterpene lactones, one new eudesmanolide and one new elemane deriva- tive. Structures of the new compounds were elucidated by spectroscopic methods. Thein vitro antifungal and antibacterial activities of the isolated compounds was tested, using the micro- dilution method. All compounds tested showed high antifungal activity.

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