✦ LIBER ✦

Identification of fungi with analytical pyrolysis and thermally assisted hydrolysis and methylation

✍ Scribed by Clemens Schwarzinger

Book ID: 104019267
Publisher: Elsevier Science
Year: 2005
Tongue: English
Weight: 408 KB
Volume: 74
Category: Article
ISSN: 0165-2370
DOI: 10.1016/j.jaap.2004.11.025

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✦ Synopsis

Different fungi (poisonous, edible and wood decaying) were analyzed with pyrolysis-gas chromatography/mass spectrometry (Py-GC/ MS) and thermally assisted hydrolysis and methylation (THM) and differentiated according to characteristic fragments. Besides the identification by direct comparison of the pyrograms it was possible to arrange fungal species into groups using principal component analysis (PCA). In some cases, it was also possible to identify specific marker compounds, which are characteristic for one single type of fungi, such as the poison a-amanitin in the death cup (Amanita phalloides), which could be detected in levels below 3.5 ng, and b-dopa in Cortinarius violaceus.

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