11567
H2O2 produced by L . johnsonii abolished IDO activity in vitro , and L . johnsonii feeding resulted in a 3 . 9 - fold increase in ileum lumen H2O2 .
 Chemical: H2O2; Chemical: H2O2
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: H2O2; Chemical: H2O2