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In this study , we investigated the therapeutic effects of ginger and its component zingerone in mice with 2 , 4 , 6 - trinitrobenzene sulphonic acid ( TNBS ) - induced colitis .
 Chemical: zingerone; Chemical: 2 , 4 , 6 - trinitrobenzene sulphonic acid; Chemical: TNBS
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: zingerone; Chemical: 2 , 4 , 6 - trinitrobenzene sulphonic acid; Chemical: TNBS