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首页> 外文期刊>Journal of Pharmaceutical Analysis >Response surface optimization of microwave-assisted extraction for HPLC-fluorescence determination of puerarin and daidzein in Radix Puerariae thomsonii
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Response surface optimization of microwave-assisted extraction for HPLC-fluorescence determination of puerarin and daidzein in Radix Puerariae thomsonii

机译：微波辅助萃取的响应面优化用于高效液相色谱-荧光法测定葛根中葛根素和大豆苷元

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摘要

Microwave-assisted extraction was optimized with response surface methodology for HPLC-fluorescence determination of puerarin and daidzein in Radix Puerariae thomsonii. The optimized extraction procedure was achieved by soaking the sample with 70% methanol (1:15, v/v) for 30 min, and then microwave irradiation for 11 min at a power of 600 W. Coupling the extraction process with HPLC-fluorescence presented good recovery, satisfactory precision, and good linear relation. Compared with a method from the Chinese Pharmacopoeia, the proposed method enables higher extraction efficiency and more aecurate analytical results. It can be of Potential value in quality assessment of Radix Puerariae thomsonii medicinal materials.
机译：采用响应面法对微波辅助提取进行了优化，用于HPLC荧光法测定葛根中的葛根素和大豆苷元。通过将样品用70％甲醇（1:15，v / v）浸泡30分钟，然后以600 W的功率进行微波照射11分钟来实现最佳的提取程序。将提取过程与HPLC-荧光耦合回收率好，精度令人满意，线性关系良好。与中国药典的方法相比，该方法具有更高的提取效率和更准确的分析结果。对葛根药材的质量评价具有潜在的价值。

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