Floral scent of brazilian Passiflora: five species analised by dynamic headspace



Título del documento: Floral scent of brazilian Passiflora: five species analised by dynamic headspace
Revista: Anais da Academia Brasileira de Ciencias
Base de datos: PERIÓDICA
Número de sistema: 000400415
ISSN: 0001-3765
Autores: 1
2
2
3
4
Instituciones: 1Universidade Estadual Paulista "Julio de Mesquita Filho", Faculdade de Ciencias Agronomicas, Botucatu, Sao Paulo. Brasil
2Instituto Agronomico, Campinas, Sao Paulo. Brasil
3Universidade de Sao Paulo, Instituto de Quimica, Sao Paulo. Brasil
4Givaudan do Brasil Ltda., Sao Paulo. Brasil
Año:
Periodo: Sep
Volumen: 88
Número: 3
Paginación: 1191-1200
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental
Resumen en inglés This study describes for the first time the chemical composition and olfactive description of floral scent from Brazilian Passiflora (Passiflora edulis Sim, Passiflora alata Curtis, Passiflora cincinnata Mast., Passiflora coccinea Aubl. and Passiflora quadrangularis L.). Five species were grown in greenhouse at the Agronomic Institute (IAC), São Paulo, Brazil. Volatile compounds were collected using dynamic headspace. Analyses of scent composition were performed by gas chromatograph coupled to mass spectrometer. Identification of chemical constituents was conducted through of retention index followed by comparative analysis of mass spectra with specialized databases. The olfactive descriptions of floral scent from each species was evaluated for a professional perfumer. High interspecific diversity was found between chemical compositions of floral scent within Passiflora and different bouquets were observed amount the studied species. Mayor constituents were linalool (P. alata), geraniol (P. quadrangularis), 1,4-dimethoxybenzene (P. edulis), benzaldehyde (P. cincinnata) and 2-methyl-3-pentanone (P. coccinea)
Disciplinas: Química
Palabras clave: Fitoquímica,
Química analítica,
Flores,
Fragancias,
Composición química,
Olfato,
Passiflora
Keyword: Chemistry,
Analytical chemistry,
Phytochemistry,
Flowers,
Fragrances,
Chemical composition,
Olfaction,
Passiflora
Texto completo: Texto completo (Ver HTML)