In vitro susceptibility of Helicobacter pylori to protolichesterinic acid from the lichen Cetraria islandica

Author:

Ingolfsdottir K1,Hjalmarsdottir M A1,Sigurdsson A1,Gudjonsdottir G A1,Brynjolfsdottir A1,Steingrimsson O1

Affiliation:

1. Department of Pharmacy, University of Iceland, Reykjavik, Iceland. kring@rhi.hi.is

Abstract

With reference to the traditional use of Cetraria islandica (Iceland moss) for relief of gastric and duodenal ulcer, plant extracts were screened for in vitro activity against Helicobacter pylori. (+)-Protolichesterinic acid, an aliphatic alpha-methylene-gamma-lactone, was identified as an active component. The MIC range of protolichesterinic acid, in free as well as salt form, was 16 to 64 micrograms/ml.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference15 articles.

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