21628
RESULTS : Pretreatments with the three diterpenoids significantly attenuated H2O2 - induced changes in mitochondrial integrity and activity ( MTT assay ) , in cell membrane integrity ( LDH assay ) and in cell morphology .
 Chemical: diterpenoids; Chemical: H2O2; Chemical: MTT
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: diterpenoids; Chemical: H2O2; Chemical: MTT