Identification of geosmin as a volatile metabolite of Penicillium expansum

Cultures of Penicillium expansum produce a musty, earthy odor. Geosmin [1,10-trans-dimethyl-trans(9)-decalol] was identified by gas chromatography-mass spectrometry from headspace samples of P. expansum cultures. Olfactory comparison of P. expansum cultures with a geosmin standard indicated geosmin...

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Published inApplied and Environmental Microbiology Vol. 58; no. 9; pp. 3170 - 3172
Main Authors MATTHEIS, J. P, ROBERTS, R. G
Format Journal Article
LanguageEnglish
Published Washington, DC American Society for Microbiology 01.09.1992
Subjects
Biological and medical sciences
Biology
Biology of microorganisms of confirmed or potential industrial interest
Biotechnology
compose volatil
compuesto volatil
denrees entreposees
fruits
frutas
Fundamental and applied biological sciences. Psychology
metabolite
metabolites
metabolitos
Miscellaneous
Mission oriented research
Naphthols - isolation & purification
Naphthols - metabolism
Odorants - analysis
Odors
Penicillin
penicillium
Penicillium - metabolism
Penicillium expansum
productos almacenados
stored products
volatile compounds
Volatilization
Fungi
Volatile compound
Gas chromatography
Penicillium expansum
Molecular structure
Identification
Fungi Imperfecti
Odor
Mass spectrometry
Thallophyta
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Summary:Cultures of Penicillium expansum produce a musty, earthy odor. Geosmin [1,10-trans-dimethyl-trans(9)-decalol] was identified by gas chromatography-mass spectrometry from headspace samples of P. expansum cultures. Olfactory comparison of P. expansum cultures with a geosmin standard indicated geosmin is the primary component of the odor associated with P. expansum.
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ISSN:0099-2240
1098-5336
DOI:10.1128/aem.58.9.3170-3172.1992