Isolation and structural characterization of echinocystic acid triterpenoid saponins from the Australian medicinal and food plant Acacia ligulata

Diana Jæger Knudsen, Chi P. Ndi, Christoph Crocoll, Bradley S. Simpson, Bekzod Khakimov, Ruth Marian Guzman-Genuino, John D. Hayball, Xiaohui Xing, Vincent Bulone, Philip Weinstein, Birger Lindberg Møller, Susan J. Semple