Study on Ultrasonic Extraction of Pectin from the  Fruits of Schisandra chinensis (Turcz.) Bailey
ZHAO Wei1,2, DU Ying-da3, GUO Wei1,2, LIU Cheng-bai3, LIU Cheng1, LI Jiang-nan1,2, CHEN Xia1*
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2014, (8): 1316 -1320 .