journal6 ›› 2013, Vol. 34 ›› Issue (2): 68-71.DOI: 10.3969/j.issn.1007-2985.2013.02.015

• 化学化工 • 上一篇    下一篇

紫外皮粉法测定倍花中单宁酸含量

  

  1. (吉首大学化学化工学院,湖南 吉首 416000)
  • 出版日期:2013-03-25 发布日期:2013-04-23
  • 通讯作者: 欧阳玉祝(1956-),男,湖南宁远人,吉首大学化学化工学院教授,硕士生导师,主要从事天然产物化学研究;E-mail:ouyang1227@126.com.
  • 作者简介:张辞海(1984-),男,河南洛阳人,吉首大学化学化工学院硕士研究生,主要从事光谱及微量元素分析研究
  • 基金资助:

    吉首大学校级科研项目资助(JDY12041)

Determination of Tannin Content from Beihua by UV-Chrominated and Hide Powder Method

  1. (College of Chemistry and Chemical Engineering,Jishou University,Jishou 416000,Hunan China)
  • Online:2013-03-25 Published:2013-04-23

摘要:用紫外皮粉法测定倍花中单宁酸的含量,并对实验结果进行方法学考察.经实验知在20 ℃下溶液的稳定性较好,铬皮粉在20 min后吸附达到完全,平均加标回收率为98.86%,RSD为0.85,精密度和重复性实验的RSD分别为0.07%和0.64%.用紫外皮粉法测试倍花中单宁酸含量得到的结果与用药典法测试得到的结果近似.

关键词: 倍花, 单宁, 紫外, 皮粉

Abstract: The content of tannin from Beihua was analyzed by UV-chrominated hide powder method.The methodology of experiment results were investigated.The stability of the solution is good at 20 ℃.After 20 min,tannin can be completly adsorbed by chrominated hide powder.The content of tannin from Beihua  analyzed by this method  resembles that by pharmacopeia method.The average recovery rate of this method is 98.86%,RSD is 0.85.The RSD of precision,repeatability is 0.07% and 0.64% respectively.

Key words: Beihua, Tannin, UV, chrominated hide powder

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