Macroporous adsorptive resin column and polyamide column were used respectively to purify arabinogalactan ( ag ) from larix gmeini rupr . . the contents of impurity in ag and sugar varying with time were analyzed 摘要分别采用大孔吸附树脂柱层析和聚酰胺柱层析技术纯化兴安落叶松中的阿拉伯半乳聚糖，研究了两种层析柱洗脱过程中的杂质含量、糖含量随时间变化的情况，对比分析了它们对阿拉伯半乳聚糖的纯化效果。
