Ultrasonic-enhanced Extraction of Gynosaponins from Gynostemma pentaphyllum
LIN Shuo，YUE Lin-na，GAO Xue-ling*，YUE Peng-xiang
FOOD SCIENCE . 2009, (14): 72 -75 .  DOI: 10.7506/spkx1002-6630-200914009