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。
2
By using standard addition method and standard curve method, the quantity of aesculin in Cortex Fraxini was determined to be 0.10% and the aesculetin was 0.36%, respectively.