愈疮木:中国用名为铁梨木。属蒺藜科(Zygophyliaceae)。该树80%用途为造船工业。目前国外产量愈来愈少。各国均视为稀有的重要造船资材。愈疮木的产地,分布在赤道附近与北纬30℃之间。特别集中在中美,西印度群岛一带。主要生产地如巴哈马诸岛、大马尔岛。安提瓜岛的马尔提哥岛。
对愈疮木酚和乙醛酸缩合—氧化合成香兰素路线进行了中等规模的研究。
The manufacture of vanillin from guaiacol and glyoxylic acid was investigated in middle scale production.
结果表明未漂浆中主要存在紫丁香基木素和愈疮木基木素,漂白过程中缩合的愈疮木基木素溶出相对较少。
The results showed that the lignin in the unbleached pulp was mainly composed of syringyl lignin (S-lignin) and guaiacyl lignin (G-lignin).
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