ABSTRACT: Narcissus serotinus belongs to the Amaryllidaceae
family, a group well known for an exclusive variety of alkaloids
with interesting biological activities. This study was aimed at
identifying the alkaloid constituents of N. serotinus collected in the
Spanish region of Valencia, using a combination of chromatographic,
spectroscopic, and spectrometric methods, including GC-MS and 2D
NMR techniques. GC-MS analysis allowed for the direct
identification of five known compounds. In addition, the isolation
and structure elucidation of six new Amaryllidaceae alkaloids are
described.