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用双波长薄层扫描法对市售各厂家生产的抗病毒口服液中莪葜皂甙元进行了含量测定。加样回收率为102．8％，相关系数r＝0．9997，CV＝3．7％。本法可控制抗病毒口服液的质量。
Two-wavelength thin-layer scanning method was used to determine the content of saponins in the antiviral oral liquids produced by various manufacturers. The recovery of the sample was 102.8%, the correlation coefficient r was 0.9997, and the CV was 3.7%. This method can control the quality of antiviral oral solution.