Rapid determination of cinnamic acid and harpagoside in a traditional Chinese medicine of Scrophularia ningpoensis by microwave-assisted extraction followed by high performance liquid chromatography (HPLC)
Taomin Huang*, Nianzu Chen, Yonghua Lai, Donglei Wang, Jinchao Yan and Jifeng Gu
Department of Pharmacy, Eye and ENT Hospital, Fudan University, Fenyang Road, No. 83, Shanghai 200031, China.
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