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Some Lichen Products Have Antimicrobial Activity J. Garcia Rowe

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Some Lichen Products Have Antimicrobial Activity

J. Garcia Rowe

a

, M. D. Garcia Gimenez

b,

* and M. T. Saenz Rodriguez

b

a Laboratory of Vegetal Biology, Faculty of Pharmacy, Universityof Seville, Spain

b Laboratoryof Pharmacognosy, Facultyof Pharmacy, Universityof Seville, Spain. Fax: 07 34(9) 54233765.

E-mail: gimenez@fafar.us.es

* Author for correspondence and reprint requests Z. Naturforsch.54c,605Ð609 (1999);

received February8/April 16, 1999

Lichens, Antimicrobial Activity, Lichen Products Antimicrobial activityin some lichens from south Spain has been studied. Some lichenical substances are also identified. The structures of all compounds were elucidated byphysical, spectral and chemical methods.

A veryhigh activityagainst Gram-positive bacteria has been observed in lichens containing usnic acid.

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