1,3-Dimethoxybenzene, a newly identified component of port wine

• Type: Article in International Scientific Journal
• Date: 2002

Authors

Rogerson, FSS (Author) Other; Azevedo, Z (Author) Other; Fortunato, N (Author) Other; Victor de Freitas (Author) FCUP

Journal

Title: Journal of the Science of Food and Agriculture

Vol. 82 No. 1

Pages: 1287-1292

ISSN: 0022-5142

Publisher: Wiley-Blackwell

Indexing

ISI Web of Knowledge - 10 Citations

Scopus - 16 Citations

Other information

Authenticus ID: P-000-N6S

DOI: 10.1002/jsfa.1182

Abstract (EN): 1,3-Dimethoxybenzene was identified by GC-O, GC-MS and Kovats indices (polar Supel-cowax, 1709; non-polar Rtx-5MS, 1158) as a new volatile component of port wine. Sensory evaluation described this compound as having a sweet medicinal odour with hazelnut, resinous and woody notes. Respective threshold limits in model wine and port wine were 21 and 47 mug l(-1). Quantitative analysis by GC-MS, using a selected characteristic ion (m/z 138), indicated that young port wines from the 1998 vintage contained up to 3 mug l(-1) whereas ports from the 1999 vintage contained up to 20 mug l(-1). (C) 2002 Society of Chemical Industry.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 6