Umbelliferae plants mainly contain essential oil, coumarin, chromone and glycoside.
伞形科植物的成分主要有挥发油、香豆素、色原酮及其苷类。
2
Aglycone bacteriostasis of ash bark was superior to glycoside, fraxetin and aesculetin bacteriostasis were most powerful in 5 kinds of coumarin monomer.