Research article summary (published 29 Apr 2008):

Antimycobacterial polyacetylenes from Levisticum officinale.

Full Abstract

No conflicts of interest concerning financial matters or personal relationships exist between the authors and those who might bias this work. The present work is in part included the PhD thesis of A. Schinkovitz (University of Graz) but has not been published elsewhere previously. The dichloromethane extract of the roots of Levisticum officinale L. (Apiaceae) exhibited significant antimycobacterial activity against Mycobacterium fortuitum and Mycobacterium aurum in a microtiter plate dilution assay and was further analysed following a bioassay-guided fractionation strategy. 3(R)-Falcarinol (3(R)-(-)-1,9-heptadecadien-4,6-diin-3-ol] and 3(R)-8(S)-falcarindiol [3(R)-8(S)-(+)-1,9-heptadecadien-4,6-diin-3,8-diol] could be identified as the active components in this extract. The minimal inhibitory concentration (MIC) of 3(R)-falcarinol against M. fortuitum and M. aurum was 16.4 microM while that of 3(R)-8(S)-falcarindiol was 30.7 microM against M. fortuitum and 61.4 microm against M. aurum, respectively. Previously, 3(R),8(R)-dehydrofalcarindiol was isolated from Artemisia monosperma and surprisingly this polyacetylene exhibited no antimycobacterial activity at 128 microg/mL. This indicates that the terminal methyl group is vital for retention of antimycobacterial activity. Reference antibiotics ethambutol and isoniazid exhibited an activity of 115.5 microM and 14.6 microM against M. fortuitum, and 3.4 microM and 29.2 microM against M. aurum, respectively.

Author information

Author/s: Schinkovitz, Andreas (A); Stavri, Michael (M); Gibbons, Simon (S); Bucar, Franz (F);

Affiliation: Institute of Pharmaceutical Sciences, Department of Pharmacognosy, Karl-Franzens-University, Graz, Austria.

Journal and publication information

Publication Type: Journal Article

Journal: Phytotherapy research : PTR (Phytother Res), published in England. (Language: eng)

Reference: 2008-May; vol 22 (issue 5) : pp 681-4

Dates: Created 2008/05/05; Completed 2008/07/30;

PMID: 18350523, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: 18 Feb 2009 00:00:00)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Apiaceae - chemistry Diynes - chemistry; pharmacology Fatty Alcohols - chemistry; pharmacology Methylene Chloride - chemistry Microbial Sensitivity Tests Molecular Structure

Molecular Structure Mycobacterium - drug effects Mycobacterium fortuitum - drug effects Plant Extracts - chemistry; pharmacology Plant Roots - chemistry Polyacetylenes - chemistry; pharmacology

Associated Chemicals: Diynes (0) ; Fatty Alcohols (0) ; Plant Extracts (0) ; falcarinol (21852-80-2) ; Polyacetylenes (25067-58-7) ; falcarindiol (55297-87-5) ; Methylene Chloride (75-09-2)

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