A SIMPLE AND ACCURATE GC MS METHOD FOR THE QUANTITATIVE-ANALYSIS OF DIACETYL IN BEER AND WINE/

Authors
MARTINEAU B ACREE T HENICKKLING T
Citation
B. Martineau et al., A SIMPLE AND ACCURATE GC MS METHOD FOR THE QUANTITATIVE-ANALYSIS OF DIACETYL IN BEER AND WINE/, Biotechnology techniques, 8(1), 1994, pp. 7-12
Citations number
9
Categorie Soggetti
Biothechnology & Applied Migrobiology
Journal title
Biotechnology techniques → ACNP
ISSN journal
0951208X
Volume
8
Issue
1
Year of publication
1994
Pages
7 - 12
Database
ISI
SICI code
0951-208X(1994)8:1<7:ASAAGM>2.0.ZU;2-S
Abstract
A GC/MS method for the quantification of diacetyl is described. Diacet yl is derivatized with 4,5-dichloro-1,2-diaminobenzene to form 6,7-dic hloro-2,3-dimethylquinoxaline (DCDMQ). The derivative is extracted in benzene and quantified by GC/MS. Formation of DCDMQ is linearly correl ated with diacetyl concentration. The method is rapid, sensitive (dete rmination limit 0.0005 mug/mL) precise (standard error < 2%), and accu rate (recovery of diacetyl 91.5% + 1.5%).