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采用薄层扫描法（ＴＬＣ）测定忍冬叶提取物中绿原酸的含量。该法准确，灵敏，重现性好，回收率为９８．０５％。
The content of chlorogenic acid in Lonicera japonica leaf extract was determined by TLC. The method is accurate, sensitive, and reproducible with a recovery rate of 98.05%.