离子色谱法测定玄参中的单糖和低聚寡糖

Science and Technology of Food Industry(2012)

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Abstract
建立阴离子交换色谱-脉冲安培检测法测定玄参中的葡萄糖、蔗糖、果糖和水苏糖的方法。以METROSEPCARB1(150mm×4.0mm)阴离子交换柱为分离柱,脉冲安培检测,30mmol/LNaOH溶液为淋洗液等度洗脱,超声水提法提取玄参中的糖。峰面积的相对标准偏差为0.56%~9.01%,线性范围1~50mg/L,检出限为0.0452~0.0921mg/L,相关系数R为0.9931~0.9998,加标回收率在96.52%~109.56%之间。该方法预处理简单,准确度高,适用于快速测定玄参中的单糖和低聚寡糖。
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Key words
isocratic elution,oligosaccharides,pulsed amperometric detection,anion exchange chromatography,monosaccharides,ultrasonoscope,figwort root
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