Abstract

DIAS, Josiane de Fátima Gaspari; MIGUEL, Obdúlio Gomes  and  MIGUEL, Marilis Dallarmi. Composition of essential oil and allelopathic activity of aromatic water of Aster lanceolatus Willd: (Asteraceae). Braz. J. Pharm. Sci. [online]. 2009, vol.45, n.3, pp. 469-474. ISSN 1984-8250.  http://dx.doi.org/10.1590/S1984-82502009000300012.

The essential oil obtained from flowers of Aster lanceolatus was submitted the CG-MS and presented as result thirteen substances with largest concentration; among them, the caryophyllene oxide with the larger one. The aromatic water obtained during the extraction process of this essential oil was forwarded to allelopathic test, and demonstrated to be capable to inhibit the germination and growth of Lactuca sativa.

Keywords : Essential oil; Aster lanceolatus; Caryuphyllene oxide; Aromatic water; Allelopathy.