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。
Aglycone bacteriostasis of ash bark was superior to glycoside, fraxetin and aesculetin bacteriostasis were most powerful in 5 kinds of coumarin monomer.
秦皮中苷元的抑菌作用优于苷，5种香豆素类单体中秦皮素、秦皮乙素抑菌作用最强。
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