Among them, component I was purer anthocyanins, they were peonidin-3– glycoside and delphinidin -3- glycoside-rhamnoside.
其中，组分I为纯度较高的花色苷，分别为芍药色素-3-葡萄糖苷和飞燕草花色素-3-葡萄糖鼠李糖苷；
2
Three compounds were isolated from the active part and identified as vitexin , vitexin glucoside, vitexin rhamnoside NMR data and physical and chemical character.