OBJECTIVE To analyze the content changes of heterophyllin A (HA) and B (HB) in Radix Pseudostellariae from different habitats, regions and harvest time, and to provide the basic information for exploring the quality forming process of Radix Pseudostellariae. METHODS The content of HA and HB was determined by RP-HPLC. RESULTS The contents of HA and HB in Radix Pseudostellariae from different habitats, regions and harvest time were variable. Dynamic change of HA and HB in Radix Pseudostellariae in different harvest time showed a regular pattern. CONCLUSION There are correlative differences between the content and the ratio of HA and HB in Radix Pseudostellariae from different habitats. The total amount of HA and HB is the highest in the traditional harvest time.%目的 分析不同产区、地域及采收时间太子参中环肽A(HA)、B(HB)含量变化,为探索太子参药材品质形成过程提供基础资料.方法 用高效液相色谱法同时测定太子参中HA、HB含量.结果 不同产区、同一产区不同地域及不同采收时间太子参中HA、HB的含量存在差异,HA、HB的动态积累具有一定规律.结论 不同产区太子参中HA、HB的含量及其比值具有差异相关性,太子参中HA、HB的最高积累总值时间段与传统采收期基本一致.
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