建立了高效阴离子交换色谱-脉冲安培检测(HPAEC-PAD)同时测定单糖、二糖和多种低聚糖的方法.采用水、0.25 mmol/L NaOH溶液和1 mol/L NaAc溶液三元梯度淋洗,在CarboPac PA-100色谱柱上,11种糖在40min内达到良好分离;采用积分脉冲安培检测方法,无需对样品进行复杂的前处理或衍生反应便可直接检测.11种糖的检出限(S/N=3)在13~88 pg范围内.将该方法用于啤酒和麦汁样品中单糖、二糖及低聚糖的分析取得了很好的结果,样品中的加标回收率为81%~107%.
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