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tert - Butylhydroquinone ( tBHQ ) is a commonly used antioxidant additive that is approved for human use by both the Food and Agriculture Organization and the World Health Organization ( FAO / WHO ) .
 Chemical: tert - Butylhydroquinone; Chemical: tBHQ
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: tert - Butylhydroquinone; Chemical: tBHQ