26735
The anti - UC activity of these compounds may be explained by reducing the pro - inflammatory cytokine tumor necrosis factor - alpha ( TNF - alpha ) , in addition to reduction of colonic malondialdehyde ( MDA ) contents .
 Chemical: malondialdehyde; Chemical: MDA
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: MDA