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熊果酸

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Objective To extract ursolic acid and oleanolic acid from Rhododendron simsii Planch flowers by supersonic technology and develop a RP-HPLC method to determine the content of ursolic acid and oleanolic acid.

目的 结合超声技术提取不同花色映山红花中熊果酸和齐墩果酸,建立RP-HPLC法测定其含量。

Objective To establish a method for determining the content of oleanolic acid and ursolic acid in Prunella vulgaris.

目的 建立夏枯草中齐墩果酸和熊果酸的含量测定方法。

This method is reliable,rapid and accurate, which could be used for the quantitative analysis of the contents of oleanolic acid and ursolic acid in Prunella vulgaris.

该法简便、准确、快速、重现性好,可用于夏枯草药材中齐墩果酸和熊果酸的含量测定。

Developing the HPLC of Prunella vulgaris and Ursolic simultaneously, the content of all different batches of Prunella vulgaris was tested.

发展了同时检测夏枯草中熊果酸及齐墩果酸的HPLC分析方法,测定了不同批次夏枯草中两种成分的含量。

To study the optimum technology of extracting bioactive component named Oleanolic acid and Ursolic acid in Chinese Quince.

用正交试验法对木瓜中的齐墩果酸和熊果酸的提取工艺进行研究。

Tseng resource, The extraction, purification and determination of saponins in Ilex Kudingcha C.J.Tseng were firstly researched, a RP-HPLC method was established for determination the content of oleanolic acid and ursolic acid in Ilex Kudingcha CJTseng simultaneously. At the same time, the technical parameters of sapogenin extraction sapogenin and the solvent system of HPTLC for separation the sapogenins was seeked. The main results are as follows:1. A spectrophotometric method was established for quantitative determination the total content of saponins in Ilex Kudingcha C.J.

为了推进苦丁茶化学成分生物活性研究,挖掘该植物的药用价值和为其资源的综合开发应用提供科学依据,本文研究苦丁茶皂苷的检测方法、探讨苦丁茶皂苷的提取纯化条件、建立HPLC法同时检测熊果酸和齐墩果酸的含量、摸索苦丁茶皂苷元的提取工艺参数并确定苦丁茶皂苷元薄层层析的溶剂体系。

Hara. This three compounds were identified as ursolic acid,β-sitosterol and oleanic acid.

结论贵州产香茶菜中分离的3种化合物分别鉴定为熊果酸、β-谷甾醇、齐墩果酸。

After chemistry and ~1H-NMR,~(13)C-NMR、GC-MR、UV, IR Spectral analysis instrument synthesis appraisal compoundⅠ,Ⅱ,ⅢRespectively isβ-Sitosterol, oleanolic acid , ursolic acid; compoundⅣ,The structure is being appraised. CompoundⅠand compoundⅢare discovered for the first time from Radix Rosa davurica pall. Through pharmacognosy research and the chemical composition carries on the system to the root of Rosa davurica pall.

经化学及~1H-NMR、~(13)C-NMR、GC-MR、UV、IR等光谱分析仪器综合鉴定化合物Ⅰ、Ⅱ、Ⅲ分别为β-谷甾醇、齐墩果酸、熊果酸,其中化合物Ⅰ和化合物Ⅲ为首次从山刺枚根中发现。

The method is simple, accurate and with good reproducibility,for quality control of Callicarpa kwangtungenesis Chun.

结论该方法简便、准确,重复性好,适用于广东紫珠药材中熊果酸和齐墩果酸的质量控制。

Objective The contents of ursolic acid and oleanolic acid in Callicarpa kwangtungenesis Chun was determined by RP - HPLC.

目的采用RP-HPLC法同时测定广东紫珠中熊果酸、齐墩果酸的含量。

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