Medicinal Plant

2012, v.3(06) 16-18

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Effects of Drying Methods on the Content of Ferulic Acid in Ligusticum chuanxiong Hort. Stem and Leaf
Effects of Drying Methods on the Content of Ferulic Acid in Ligusticum chuanxiong Hort. Stem and Leaf

摘要(Abstract):

[Objective] To study the effect of drying methods on the content of ferulic acid in different parts of Ligusticum chuanxiong Hort stem and leaf. [Method] The content of ferulic acid in L. chuanxiong stem and leaf was determined by HPLC. [Result]There was a good linear relationship between the concentrationand peak area of ferulic acid when the sample injection ranged from 0. 011 48 to 0. 114 8 μg ( r = 0. 999 9) . The average recovery was 100. 1% with the RSD of 1.18% ( n = 9) . The content of ferulic acid in naturally sun-dried L. chuanxiong leaf and stem was 0. 005 4% with the RSD of 1. 55% ,while that was 0. 008 0%with the RSD of 1. 80% in those dried naturally in the shade and that was 0. 010 5% with the RSD of 1. 07% in those dried naturally after sunshine. As to L. chuanxiong stem and leaf ,oven-drying after sunshine was superior to the above two methods. [Conclusion] Among the three drying methods,oven-drying after sunshine was the optimal one for L. chuanxiong stem and leaf .

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