20495
Glycosylated haemoglobin , lipid profile , plasma and colonic active ( GLP - 1 ) ( 7 - 36 ) amide , mRNA expression of proglucagon GLP - 1 , plasma and pancreatic insulin , histology of pancreata and biomarkers of oxidative stress ( superoxidase dismutase , reduced glutathione , malondialdehyde , glutathione peroxidase , glutathione S transferase ) were measured after 8week .
 amide, glutathione, malondialdehyde, glutathione, glutathione
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 amide, glutathione, malondialdehyde, glutathione, glutathione