Optimization of ultrasonic-assisted extraction of eucommia ulmoides leaves Fu brick tea chlorogenic acid via response surface analysis and its hypoglycemic and antioxidant activities in vitro
ZENG Qiao, WEI Cheng-bo, XIA Fei, LI Xiang
Food and Fermentation Industries . 2018, (9): 204 -211 .  DOI: 10.13995/j.cnki.11-1802/ts.018104