Smyrnium olusatrum, well known as wild celery or Alexanders, is a biennial herb belonging to the Apiaceae and used for many centuries as an edible vegetable because of the aromatic flavour of its parts. Its use on the table has decreased since the Middle Ages when it was replaced by common celery (Apium graveolens). In the present work the composition of the essential oils obtained by hydrodistillation of various plant parts was investigated by gas chromatography (GC-FID and GCMS), while quantitation of a heat-sensitive compound, isofuranodiene, known for its anticancer activity, and of its Cope rearrangement product curzerene, was achieved by HPLC-DAD. All essential oils were composed mainly of furanosesquiterpenoids (54.1-76.2%) with isofuranodiene (19.5-45.8%) as the main constituent. Results showed that GC analysis provides underestimation (up to five times) of isofuranodiene levels in essential oils and that curzerene could be considered an artifact since it is produced during heating of plant material, occurring during hydrodistillation.

A forgotten vegetable (Smyrnium olusatrum L., Apiaceae) as a rich source of isofuranodiene

MAGGI, Filippo;BARBONI, Luciano;PAPA, Fabrizio;CAPRIOLI, GIOVANNI;RICCIUTELLI, Massimo;SAGRATINI, Gianni;VITTORI, Sauro
2012-01-01

Abstract

Smyrnium olusatrum, well known as wild celery or Alexanders, is a biennial herb belonging to the Apiaceae and used for many centuries as an edible vegetable because of the aromatic flavour of its parts. Its use on the table has decreased since the Middle Ages when it was replaced by common celery (Apium graveolens). In the present work the composition of the essential oils obtained by hydrodistillation of various plant parts was investigated by gas chromatography (GC-FID and GCMS), while quantitation of a heat-sensitive compound, isofuranodiene, known for its anticancer activity, and of its Cope rearrangement product curzerene, was achieved by HPLC-DAD. All essential oils were composed mainly of furanosesquiterpenoids (54.1-76.2%) with isofuranodiene (19.5-45.8%) as the main constituent. Results showed that GC analysis provides underestimation (up to five times) of isofuranodiene levels in essential oils and that curzerene could be considered an artifact since it is produced during heating of plant material, occurring during hydrodistillation.
2012
262
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11581/242426
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