LV Qiang, PENG Mi-jun, LAN Wen-ju, PENG Sheng, ZHANG Chang-wei, ZHANG Lin-jie. Effect of Processing Methods on the Content of Several Active Ingredients in Barks and Leaves of Eucommia ulmoides Oliv.[J]. Chemistry and Industry of Forest Products, 2012, 32(1): 75-79.
Citation: LV Qiang, PENG Mi-jun, LAN Wen-ju, PENG Sheng, ZHANG Chang-wei, ZHANG Lin-jie. Effect of Processing Methods on the Content of Several Active Ingredients in Barks and Leaves of Eucommia ulmoides Oliv.[J]. Chemistry and Industry of Forest Products, 2012, 32(1): 75-79.

Effect of Processing Methods on the Content of Several Active Ingredients in Barks and Leaves of Eucommia ulmoides Oliv.

  • Barks and leaves of Eucommia ulmoides Oliv. were processed by different methods. Effect of different processing methods on the content of several active ingredients was investigated in this paper. The contents of chlorogenic acid, total flavonoid and aucubin in leaves after treatment by microwave deactivation were 2.129%, 7.005% and 4.420% respectively. They were 5.14, 1.52 and 17.06 times respectively as much as those by sun drying. The contents of geniposidic acid and aucubin in barks were 5.393% and 4.242% respectively which were 1.09 and 1.78 times respectively as much as those by sun drying. Results showed that the method,i.e. 50℃ stoving after processed by microwave deactivation, could effectively reduce the loss of active ingredients.
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