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Ex vivo imaging and immunohistochemical staining further verified that ginger and zingerone suppressed TNBS - induced NF - kappa B activation and IL - 1 beta protein level in the colon .
 Chemical: zingerone; 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: TNBS