Result: Four steroids ( 1 , 2 , 3 , 4 ) were found in the extracts of Rhizoma Phragmitis.

结果: 芦根提取物中含有4种甾体化合物.

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Objective: To extract and determine the compositions and relative amount of steride in Rhizoma Phragmitis.

摘要目的: 提取并测定芦根中甾族化合物的成分和相对含量.

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