高香草酸（Ⅰ）化学名称为３甲氧基４羟基苯乙酸，是重要的生化酶检测试剂［１］。Ⅰ在生物化学方面的研究和应用一直都非常活跃，近年来Ⅰ在作为药物及作为药物合成的重要中间体方面的研究也有许多报道。Ⅰ的酚羟基醚化产物可用作免疫试剂［２］，Ⅰ的单钠盐可作促吸收 High vanillic acid (Ⅰ) chemical name for 3  methoxy  4  hydroxyphenylacetic acid, is an important biochemical enzyme detection reagents [1]. Ⅰ has been very active in the research and application of biochemistry. In recent years, there are many reports on the research of Ⅰ as an important intermediate in medicine and drug synthesis. Ⅰ phenolic hydroxy etherification products can be used as an immunological reagent [2], Ⅰ monosodium salt can be used to promote absorption