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Low boiling-point compounds produced by pyrolysis of fungal melanins and model phenolic polymers

AuthorsSáiz-Jiménez, Cesáreo ; Martín Martínez, Francisco; Cert, Arturo
Issue Date1979
PublisherPergamon Press
CitationSoil Biology and Biochemistry 11(3): 305-309 (1979)
AbstractPyrolysis-gas chromatography-mass spectrometry was used to characterize fungal melanins and model phenolic polymers. Samples were pyrolysed at 700°C for 10 s and the low boiling-point compounds were separated on a Chromosorb 102 column. Low boiling-point compounds identified with a mass spectrometer coupled to the gas Chromatograph were very similar for peptone, a model autoxidative phenolic polymer incorporating peptone, and some fungal melanins. The major low boiling-point components from fungal melanins were related to proteins and to polysaccharides. A nitrogen-free phenolic polymer yielded very small amounts of low boiling-point pyrolysis fragments. The compounds identified appeared to be derived largely from the peptide, carbohydrate, and possibly small amounts of other aliphatic materials in the polymer structures.
Identifiersdoi: 10.1016/0038-0717(79)90076-2
issn: 0038-0717
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