Abstract
The effect of acid hydrolysis of English oak (Quercus robur. L) wood on its aroma-forming complex was studied. The contents of methanol, acetic and crotonic acids, and furfural increased considerably in the samples treated with hydrochloric acid. In the composition of minor compounds, aromatic hydrocarbons were synthesized de novo, whereas the contents of volatile phenols, such as vanillin, lilac aldehyde, and coniferaldehyde decreased; relative content of guaiacol and syringol elevated; and acetovanillon and propiovanilIon were formed as well as products of degradation of hexoses-levoglucosenone, 1,4:3,6-dianhydroglucose, maltol, and 1,6-dianhydroglucopyran.
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