Planta Med 2002; 68(8): 762-764
DOI: 10.1055/s-2002-33803
Letter
© Georg Thieme Verlag Stuttgart · New York

Chemical Constituents and Antimicrobial Activity of the Essential Oil of Lantana xenica

Hector R. Juliani Jr.1 , Fernando Biurrun1 , Adolfina R. Koroch2 , M. M. Oliva3 , Mirta S. Demo3 , Victorio S. Trippi2 , Julio A. Zygadlo2
  • 1Cátedra de Botánica II, Herbario Regional del INDELLAR, Ing. Rec. Nat. Ren. Para Zonas Aridas, Universidad Nacional de La Rioja, Sede Universitaria Chamical, Argentina
  • 2Cátedra de Química Orgánica, Facultad de Ciencias Exactas, Físicas y Naturales. Universidad Nacional de Córdoba, Córdoba, Argentina
  • 3Departamento de Microbiología e Inmunología, Facultad de Cs. Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Argentina
Further Information

Publication History

Received: January 30, 2002

Accepted: February 24, 2002

Publication Date:
09 September 2002 (online)

Abstract

The aim of this work was to evaluate the chemical composition of Lantana xenica essential oil and its antimicrobial activity. The oil from the aerial parts of Lantana xenica Mold. (Verbenacea) was obtained by steam distillation and analyzed by gas chromatography/mass spectrometry. The major constituent of the oil was (E)-caryophyllene (35.2 %), with minor amounts of γ-cadinene (13.3 %), α-pinene (9.3 %), ocimene (9.2 %) and germacrene D (6.6 %). The antimicrobial assays showed that the essential oil of L. xenica inhibited the growth of Bacillus cereus and Proteus mirabilis and both bacteria were inhibited by (E)-caryophyllene, the major component of the oil. Enterococcus faecalis, Staphylococcus epidermidis and S. aureus showed a lower inhibition. The bacteria Micrococcus luteus, Klebsiella sp., Escherichia coli and the yeast Candida albicans were insensitive to both the oil and (E)-caryophyllene.

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Héctor R. Juliani (Jr.)

Department of Plant Science - Rutgers University

59 Dudley Road

New Brunswick - New Jersey 08901

U.S.A.

Email: hjuliani@rci.rutgers.edu

Fax: +1 732-932-9441