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Bulletin of Botanical Research ›› 2016, Vol. 36 ›› Issue (1): 141-145.doi: 10.7525/j.issn.1673-5102.2016.01.020

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Optimization of Microwave-assisted Extraction of Syringin and Oleuropein from Syringa reticulata

WANG Hua1,2;ZHOU Li-Ping1,2;LI Meng-Sha1;ZHU Liang-Yu1,2;MU Li-Qiang2;NI Hong-Wei1*   

  1. 1.Institute of Natural Resources and Ecology,Heilongjiang Academy of Sciences,National Wetland and Ecological Conservation Engineering Lab,Harbin 150040;
    2.Northeast Forestry University,Harbin 150040
  • Online:2016-01-15 Published:2016-05-18

Abstract: We used microwave-assisted extraction to extract syringin and oleuropein from Syringa reticulate, and optimized the extraction process by the Box-Behnken response surface method. The order of the effect of factors on the yield of syringin and oleuropein was the concentration of ethanol>the microwave time>microwave power. The optimum conditions for the extraction were as follows: soaking time of 1 h, ethanol concentration of 45%, ratio of solid to liquid of 1∶20 g·mL-1, microwave output power of 600 W, and extraction time of 5 min. With the optimum extraction conditions, the yield of syringin and oleuropein from Syringa reticulate was 5.28%±0.102%. The microwave-assisted extraction was efficient and rapid for extraction syringin and oleuropein from Syringa reticulate, and was benefit for the comprehensive utilization of Syringa reticulate.

Key words: Syringa reticulate, syringin, oleuropein, microwave-assisted extraction