Liha töötlemine
g., furfuralde-
The Main Groups of Compounds
hyde and 5-hydroxymethyl-2-furaldehyde).
The phenolic fraction of wood smoke con- Wood smoke contains several aliphatic
sists of about 250 components, with 85 of and aromatic alcohols, including methanol,
them identified. Phenols are formed primar- ethanol, allylalcohol, n-amylalcohol, benzyl
ily due to pyrolysis and oxidation of lignin, alcohol, and phenylethylalcohol. Methanol
at comparatively low temperature (200– may be the substrate for the generation of
400°C), and cellulose at 700°C. The total formaldehyde and formic acid.
contents of phenols depend on the kind of The group of carboxylic acids in wood
wood, temperature, and the density of the smoke consists of about 30 various com-
analyzed smoke. According to different data, pounds. In the aliphatic fraction, the follow-
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