22504
EGCG significantly inhibited expressions of alpha - SMA and collagen type I mRNA and reduced alpha - SMA and collagen protein levels at concentrations of 10 - 20 micro g / mL .
 Chemical: EGCG
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: EGCG