Analysis by TLC indicates that EGCG exists in 10% effluent fraction and ECG in 45% effluent fraction.
分别收集不同浓度酒精洗脱液，薄层结果显示10%酒精洗脱液为EGCG组分，45%酒精洗脱液为ECG组分。
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。
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