28496
Protective effect of ethyl acetate fraction of Acacia ferruginea DC . against ethanol - induced gastric ulcer in rats .
 Chemical: ethyl acetate; Chemical: ethanol
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: ethyl acetate; Chemical: ethanol