Liha töötlemine
depends more on the temperature and oxygen similar to that of phenols. The carbonyls
access than on the humidity and kind of present in the highest concentrations are acet-
wood. aldehyde, formaldehyde, and acetone; also,
several O-heterocyclic carbonyls have been
identified in wood smoke (e.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