木焦油的主要成分是木杂酚油，通常把从非充脂木材制得的焦油加以蒸馏，用氢氧化钠处理、再酸化及再蒸馏使之与其他成分分离后制得。木杂酚油是无色液体，但在空气与光的作用下呈现颜色，有烟味，有腐蚀性，主要用作消毒剂及防腐剂。
使用本方法通过超临界提取木焦油的级分生产烟提取物。
The smoke extract is with the present method produced by means of supercritical extraction of fractions of the wood tar.
公开了一种用于食品调味和着色的来自木焦油的烟提取物的制备方法。
A method for preparation of smoke extract from wood tar for flavouring and colouring of food products is disclosed.
木焦油酚，甲氧甲酚一种无色到黄色的芳香液体，C8H10O2，是木焦油的组成部分。
A colorless to yellow aromatic liquid, C8H10O2, that is a constituent of creosote.
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