Letter | Published:

An Antibacterial Substance from Arctium minus and Onopordon tauricum

Nature volume 158, pages 744745 (23 November 1946) | Download Citation



EXTRACTS of Arctium minus Bernh. (a plant which was erroneously listed in a previous publication1 as Arctium lappa L.) were found by Osborn1 to contain an antibacterial principle. In May 1945 the substance responsible for the antibacterial action of the extracts was isolated from the radical leaves of Arctium minus Bernh. in a crystalline form. More recently, the same substance has been isolated from first-year plants of Onopordon tauricum Willd., a southern European species belonging to the same section of Compositæ as Arctium.

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  1. Sir William Dunn School of Pathology and Department of Crystallography, Oxford.

    • E. P. ABRAHAM
    • , A. E. JOSEPH
    • , D. M. CROWFOOT
    •  & E. M. OSBORN


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