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                  [摘要]
                  目的 对全国10个地区及同一地区不同采收期的叶下珠进行了鞣料云实精的含量测定比较。方法 分光光度法测定,测定波长270nm。结果 海南和贵州的鞣料云实精含量最低为0.58%,西安的含量最高达1.78%。采收期以8,9月份含量最高,为1.24%。结论 不同产地的叶下珠中鞣料云实精的含量有较大差异,且同一产地不同的采收期的鞣料云实精含量相差也较大。
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                  [Abstract]
                  Object<\b> To compare the content in corilagin of Phyllanthus urinaria L.harvested from ten different regions of China in different months.Methods<\b> The content of corilagin was determined by UV spectrophotometry, detective wavelength is 270 nm.Results<\b> The content of corilagin in P.urinaria from Hainan and Guizhou province was the lowest, 0 58%.The highest content was given by the plant from Xi'an zone, Shanxi province, 178%.The best harvest time is in August and September, content of corilagin is 1 24%.Conclusion<\b> The difference of the corilagin contents in P urinaria .harvested from different regions and in different harvest time in the same region is great.
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