Abstract
Allelochemical compounds were detected in leaves and inflorescences of Sambucus nigra L. by means of GC-EIMS. The identified compounds were characterized by their mass spectra and relative retention times as their trimethylsilyl derivatives. The pheromone L-isoleucine methyl ester extracted from inflorescences can attract pollinator insects during the flowering period and together with uncommon n-alkyl and benzyl esters were firstly identified in S. nigra. On the other hand, mandelonitrile, which is used by the plant to avoid herbivore attack, was observed as the most abundant compound from the leaf extracts. In the present work are described 154 compounds from leaves and 196 from inflorescences including alkanes, alcohols, acids and terpenoids from elder aerial parts.
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