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Planta Med 1987; 53(2): 223-224
DOI: 10.1055/s-2006-962681
Communications

© Georg Thieme Verlag Stuttgart · New York

Constituents of the Stems of Arbutus unedo

George A. Karikas1 , Melvin R. Euerby2 , Roger D. Waigh1
  • 1Department of Pharmacy, University of Manchester, Manchester M13 9PL, U. K.
  • 2Department of Pharmaceutical Chemistry, School of Pharmacy, University of London, 29-39 Brunswick Square, London, WC1N, U. K.
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Publication History

1986

Publication Date:
24 January 2007 (online)

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Abstract

The dried stems of Arbutus unedo have been investigated for secondary metabolites. In addition to the previously reported lupeol, ursolic acid, monotropein, unedoside, and stilbericoside, the iridoids geniposide (2) and monotropein methyl ester (1) have been isolated for the first time from this source. Betulinic acid (4) has also been isolated for the first time from this plant.