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KMID : 0903520010440040262
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2001 Volume.44 No. 4 p.262 ~ p.268
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Composition of Constituents of Commercial Wood vinegar Liquor in Korea
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이윤환/Lee, Yun Hwan
김영회/김근수/김삼곤/Kim, Young Hoi/Kim, Kun Soo/Kim, Sam Kon
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Abstract
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Two commercial wood vinegar liquors prepared from Cryptomeria japonica and Quercus sp., which are used as a mineral fertilizer in Korea, were extracted using dichloromethane as a solvent, respectively. The extracts were separated into acidic, phenolic, neutral and basic fraction by acid or alkali treatment, and the compositions of each fraction were analyzed by means of GC and GC-MS. A total of 103 compounds including 26 acids, 32 phenols and 45 neutral compounds were identified. The major components were acetic, propionic and n-butyric acid, representing of 41∼58% of the acidic fraction, guaiacol, 4-methylguaiacol and phenol, repersenting of 53.2∼63.9% of the phenolic fraction, and furfural, 3-methyl-2-cyclopenten-2-one, 2,3-dimethyl-2-cyclopenten-1-one and 5-methyl-2-furfural in the neutral fraction. In addition to these compounds, phenolic fraction in dichloromathane extract from wood vinegar liquor of C. japonica included large amounts of vanillin, acetovanillone and tentatively identified ethylvanillyl ether while that of Quercus sp. included some amounts of syringol and 4-methylsyringol.
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