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    不同产地防风色原酮含量与土壤因子的关系

    Relationships between Saposhnikovia divaricata chromone content and soil factors in different regions

      摘要
    • 摘要:
      目的  分析防风药效成分与土壤因子的相关性，筛选影响药效成分的主导因子。
      方法  利用HPLC法测定16个产地2年生防风根中4种色原酮(升麻素苷、升麻素、5−O−甲基维斯阿米醇苷、亥茅酚苷)含量，测定根际土壤15种土壤因子，通过相关性分析、聚类分析和多重线性回归分析研究防风色原酮含量与土壤因子的关系。
      结果  产自河北大屯乡、河北金沟屯、山东烟台、吉林白城和内蒙文钟镇的防风色原酮含量较高，其他10个产地的稍低，宁夏隆德的最低；防风色原酮总量与土壤电导率、有效磷含量和有效钙含量呈显著负相关(P<0.05)，与有效锰含量呈显著正相关(P<0.05)。将16个产地分为四大产区：吉林长春产区、山东烟台产区、宁夏隆德产区和其他产区(包括内蒙古、河北、辽宁等)。有效磷、有效锰和全磷含量可以解释防风总色原酮信息的71.8%。
      结论  不同产地防风药材有效成分含量具有显著差异，在药材有效成分形成过程中土壤有效磷和有效锰起重要作用。

       

      Abstract:
      Objective  To study the correlations between soil factors and effective components of Saposhnikovia divaricata, and screen out the leading factors affecting medicinal ingredients.
      Method  The contents of four kinds of chromone (prim-O-glucosylcimifugin, cimifugin, 5-O-methylvisamminol, sec-O-glucosylhamaudol) in two-year-old S.divaricata from 16 regions were determined by HPLC , and 15 soil factors in rhizosphere soil were measured The relationships between chromone contents of S.divaricata and soil factors were studied by correlation analysis, cluster analysis and multiple linear regression analysis.
      Result  S.divaricata of Datun Town in Hebei, Jingoutun in Hebei, Yantai in Shandong, Baicheng in Jilin and Wenzhong Town in Inner Mongolia had higher chromone contents. S.divaricata of Longde in Ningxia had the lowest content while S. divaricata in other ten regions had the medium chromone contents. The total chromone content of S.divaricata was significantly negatively correlated with soil conductivity, available phosphorus content and available calcium content (P<0.05), and positively correlated with available manganese content (P<0.05). The 16 regions were divided into four production areas including production area of Changchun in Jilin, production area of Longde in Ningxia, production area of Yantai in Shandong and other production areas (including Inner Mongolia, Hebei, Liaoning, etc.). Available phosphorus, available manganese and total phosphorus contents could explained 71.8% of the information of total chromone inS. divaricata .
      Conclusion  There are significant differences in the qualities of S.divaricata from different regions. Available phosphorus and available manganese may play important roles in the formation of effective components of S. divaricata .

       

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