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Study on Microwave Extraction Technology of RADIX PAEONIAE RUBRA Coupled with RADIX SCUTELLARIAE

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【作者】 YU Shi-taoXIONG Guo-xiHUANG LongZHANG HuiZHU YingZHU Wei

【Author】 YU Shi-tao1, 2, XIONG Guo-xi1,2, HUANG Long1,2, ZHANG Hui2, ZHU Ying1,2, ZHU Wei1,2* 1. Technology Center, Hubei China Tobacco Industry Co., Ltd., Wuhan, Hubei 430040, China; 2. Wuhan Huanghelou Flavors & Fragrances Co., Ltd., Wuhan, Hubei 430040, China

【机构】 Technology Center, Hubei China Tobacco Industry Co., Ltd.Wuhan Huanghelou Flavors & Fragrances Co., Ltd.

【摘要】 [Objective] To discuss the microwave extraction technology of paeoniflorin and baicalin from RADIX PAEONIAE RUBRA coupled with RADIX SCUTELLARIAE. [Method] Using ethanol solution as solvent, microwave extraction technology was adopted to extract paeoniflorin and baicalin from RADIX PAEONIAE RUBRA coupled with RADIX SCUTELLARIAE. And the content of paeoniflorin and baicalin was tested by HPLC. Then the effects of microwave power, charging pump frequency, volume fraction of ethanol, solid-liquid ratio and soaking time on the yield of paeoniflorin and baicalin were investigated by means of orthogonal design and single factor test. [Result] The optimal microwave-assisted extraction technology of paeoniflorin and baicalin was soaking time 9 h, microwave power 36 kW, charging pump frequency 9 Hz, volume fraction of ethanol 50%, and solid-liquid ratio 1∶12 (g/ml). The yield of paeoniflorin and baicalin was 1.84% and 2.91% respectively under the above technology, which was higher than that of ultrasonic method and reflux method. [Conclusion] Microwave extraction method is superior to ultrasonic method and reflux method, which has widespread application prospects in extraction of active constituents from Chinese medicinal herbs.

【基金】 Supported by Hubei China Tobacco Industry Co. , Ltd.( 2009052469)
  • 【分类号】R284.1
  • 【被引频次】2
  • 【下载频次】43
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