A Combination of Ultrasonic Assisted Extraction with HPLC in the Determination of Alkaloids from Nelumbo nucifera Leaves
Zhang Zhen-jia, Xi Xing-jun, Zhao Xian-en, Geng Yanling, Wang Xiao, Li Wei
Food and Fermentation Industries . 2011, (06): 168 -171 .  DOI: 10.13995/j.cnki.11-1802/ts.2011.06.009