Two new cucurbitane-type triterpenoid saponins from the fruit of Citrullus colocynthis

Si-Qi Liu1, Zi-Ming Feng1, Xiang Yuan1

  • 1State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.