Volatile composition of Brassica oleracea L. var. costata DC leaves using solid-phase microextraction and gas chromatography/ion trap mass spectrometry

• Tipo: Artigo em Revista Científica Internacional
• Data: 2009

Autores

de Pinho, PG (Autor) Outra; Patricia Valentao (Autor) FFUP; Rui F Goncalves (Autor) Outra; Carla Sousa (Autor) FFUP; Rosa M Seabra (Autor) Outra; Paula B Andrade (Autor) FFUP

Revista

Título: Rapid Communications in Mass Spectrometry

Vol. 23 Nº 15

Páginas: 2292-2300

ISSN: 0951-4198

Editora: Wiley-Blackwell

Indexação

ISI Web of Knowledge - 23 Citações

ISI Web of Science

Scopus - 24 Citações

Classificação Científica

FOS: Ciências exactas e naturais > Química

CORDIS: Ciências da Saúde

Outras Informações

ID Authenticus: P-003-HB3

DOI: 10.1002/rcm.4148

Resumo (PT): Volatile and semi-volatile components of internal and external leaves of Brassica oleracea L. var. costata DC, grown under different fertilization regimens, were determined by headspace solid-phase microextraction (HS-SPME) combined with gas chromatography/ion trap mass spectrometry (GC/ITMS). Forty-one volatiles and non-volatile components were formally identified and thirty others were tentatively identified. Qualitative and quantitative differences were noticed between internal and external leaves. In general, internal leaves exhibited more aldehydes and sulfur volatile compounds than external ones, and less ketone, terpenes and norisoprenoid compounds. The fertilization regimens influenced considerably the volatile profile. Fertilizations with higher levels of sulfur produced Brassica leaves with more sulfur volatiles. In opposition, N and S fertilization led to leaves with lower levels of norisoprenoids and terpenes. <br> <br> <a target="_blank" href="http://www3.interscience.wiley.com/journal/122490545/abstract"> Texto integral</a> <br> <br>

Abstract (EN): Volatile and semi-volatile components of internal and external leaves of Brassica oleracea L. var. costata DC, grown under different fertilization regimens, were determined by headspace solid-phase microextraction (HS-SPME) combined with gas chromatography/ion trap mass spectrometry (GC/ITMS). Forty-one volatiles and non-volatile components were formally identified and thirty others were tentatively identified. Qualitative and quantitative differences were noticed between internal and external leaves. In general, internal leaves exhibited more aldehydes and sulfur volatile compounds than external ones, and less ketone, terpenes and norisoprenoid compounds. The fertilization regimens influenced considerably the volatile profile. Fertilizations with higher levels of sulfur produced Brassica leaves with more sulfur volatiles. In opposition, N and S fertilization led to leaves with lower levels of norisoprenoids and terpenes. Copyright (C) 2009 John Wiley & Sons, Ltd.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 9