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《Journal of Northwest Sci-Tech University of Agriculture and Forestry》 2003-03
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Study on the fermentation methods for Eucommia ulmoides leaves

DONG Juan e 1,MA Bo lin 2,ZHAI Jin lan 3,WANG Ya ping 1,MA Ling 4 (1 College of Forestry;2 College of Life Sciences,Northwest Sci Tech University of Agriculture and Forestry,Yangling,Shaanxi 712100,China; 3 Shihezi University,Shihezi,Xinjiang 832003,China;4 Forestry Research Institute of Hanzhong,Hanzhong,Shaanxi 723000,China)  
The optimum preconditioning methods of the natural juice by fresh Eucommia ulmoides leaves were studied.A optimum fermentation of fresh leaves was chosen by tasting the extraction juice and determining the contents of the metabolites in it.The results were as followings:after stemming 3 min,the leaves were put into plastic bags,then fermented in vacuum (-0.06 MPa) at 40 ℃,the contents of the metabolites in the extraction juice are:flavonoids 5.697 g/L,aucubin 5.602 g/L,chlorogenic acid 4.656 g/L .By using this method,the taste of the juice is the best and more metabolites were preserved.
【Fund】: 陕西省科技厅重大科技项目 ( 97K0 4-G2 )
【CateGory Index】: TS275.4
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