The main constituents of the extract from Yubaizi (the roots of Angelica dahurica)were analyzed by HPLC-MS/MS method,and a total of six cumarins were unequivocally determined.The fragmentation patterns of the cumarins...The main constituents of the extract from Yubaizi (the roots of Angelica dahurica)were analyzed by HPLC-MS/MS method,and a total of six cumarins were unequivocally determined.The fragmentation patterns of the cumarins were found useful for their characterization,and the relative contents of the six compounds were also calculated.展开更多
文摘The main constituents of the extract from Yubaizi (the roots of Angelica dahurica)were analyzed by HPLC-MS/MS method,and a total of six cumarins were unequivocally determined.The fragmentation patterns of the cumarins were found useful for their characterization,and the relative contents of the six compounds were also calculated.