20055
Furthermore , the malondialdehyde level , superoxide dismutase , glutathione and glutathione peroxidase activities against aflatoxin B1 were determined for understanding the ways in which the lichens showed their genotoxic properties .
 Chemical: malondialdehyde; Chemical: superoxide; Chemical: glutathione; Chemical: glutathione; Chemical: aflatoxin B1
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: malondialdehyde; Chemical: superoxide; Chemical: glutathione; Chemical: glutathione; Chemical: aflatoxin B1