24054
This study investigated the protective effect of spray - dried a c a i powder ( AP ) intake on colon carcinogenesis induced by 1 , 2 - dimethylhydrazine ( DMH ) in male Wistar rats .
 Chemical: 1 , 2 - dimethylhydrazine; Chemical: DMH
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: 1 , 2 - dimethylhydrazine; Chemical: DMH