25138
After pretreatment with single triterpenoids , cells were stimulated with pro - inflammatory cytokines ( TNF - alpha , INF - gamma , IL - 1 beta ) .
 Chemical: triterpenoids
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: triterpenoids