Using polyamide column chromatography, gathering effluent fraction of ethanol, applying rutin as standard curve, we estimated the content of crude flavonoids.
乌蕨提取物经过聚酰胺柱层析，收集乙醇洗脱部分，以芦丁作标准曲线，用比色法测定总黄酮。
METHOD: the chemical constituents were isolated by using polyamide, silica gel column chromatography and HPLC, and the chemical structures were elucidated by UV, IR, NMR and MS.
方法：采用聚酰胺、硅胶柱色谱、高效液相色谱分离化学成分，UV、IR、NMR、MS等方法进行结构鉴定。
METHODS Silica, polyamide and ODS column chromatography were used.
方法采用硅胶、聚酰胺和ODS柱层析法。
Polyamide and silica gel column chromatography was used to isolate and extract the analgesic and antemetic constituents.
用聚酰胺柱、正相硅胶柱、中压液相柱等色谱方法对高良姜有效成分进行了分离、筛选。
Polyamide and silica gel column chromatography was used to isolate and extract the analgesic and antemetic constituents.
用聚酰胺柱、正相硅胶柱、中压液相柱等色谱方法对高良姜有效成分进行了分离、筛选。
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