Drugs for treatment of liver damage or improvement of liver function

摘要

Provided is a method for treating a liver injury such as fibrosis, cirrhosis and hepatitis as well as a method for restoring liver function in a subject, which includes administrating to the subject a therapeutically effective amount of n-butylidenephthalide having the formula (1) as an active ingredient, or a pharmaceutically acceptable salt of ester thereof: wherein R is =CHCH 2 CH 2 CH 3 , and n-butylidenephthalide (I) is E form, Z form or a mixture thereof.