"carbonyls" - 1 õppematerjal

Liha töötlemine

carbonyl compounds, respectively, were The concentrations of these fractions in the identified (Borys 1978). Aliphatic and cyclic curing smoke, in mg/m3 of the aerosol or in carbonyl compounds, as well as furan deriva- mg/100 g of wood, differ considerably as tives, are the products of pyrolytic degrada- reported by different investigators, since the tion of cellulose and hemicelluloses, while conditions of smoke production in various aromatic carbonyls are formed from lignin. experiments were different. The yield and The total content of carbonyl compounds gross chemical composition of smoke ranges from about 25 to 110 mg/m3; thus it is 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