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Bulletin of Botanical Research ›› 2014, Vol. 34 ›› Issue (2): 271-275.doi: 10.7525/j.issn.1673-5102.2014.02.021

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Optimization of Microwave-assisted Extraction of Paeoniflorin and Paeonol from Peony Pod Using Response Surface Methodology

ZHOU Qi-Chao;YAO Huan-Huan;CHEN Feng-Li;DU Xin-Qi;ZHAO Chun-Jian*;WANG Hua;YANG Lei;WANG Gui-Bin;ZU Yuan-Gang   

  1. 1.Key Laboratory of Forest Plant Ecology,Ministry of Education,Northeast Forestry University,Harbin　150040；2.College of Forest Resources and Environment,Nanjing Forestry University,Nanjing　210037；3.Institute of Nature and Ecology,Heilongjiang Academy of Sciences,Harbin　150040
  • Received:1900-01-01 Revised:1900-01-01 Online:2014-03-20 Published:2014-03-20
  • Contact: ZHAO Chun-Jian
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Abstract: In this study, the response surface methodology (RSM) was used to optimize the main factors of microwave-assisted extraction for paeoniflorin and paeonol from peony seed pods, including liquid-solid ratio, microwave power and time. The optimum extraction conditions were as follows: liquid-solid ratio was 10∶1, microwave power was 253 W, microwave time was 10 min. Under these condition, the yields of paeoniflorin and paeonol were 2.92 and 0.91 mg·g-1, respectively. Compared with the traditional extraction method, microwaveassisted extraction method could reduce extraction time, save raw material usage and enhance extraction rate, which was an efficient extraction method.

Key words: Peony, pod, Paeoniflorin, Paeonol, extaction, response surface

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