Solvent Effect on Extraction Efficiency of Chlorogenic Acid from the Leaves of Eucommia Ulmodies by Ultrasonically Assisted Extraction Technique
LI Hui, LI Ya-Nan, LONG Ling-Liang, YAO Zu-Feng, OUYang Yu-Zhu , LI Zhi-Ping
journal6 . 2006, (4): 90 -92 . 

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