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Significantly ( p < 0 . 05 ) increased levels of polyphenol metabolites , hippuric acid and 4 - hydroxyhippuric acid , and decreased creatinine and dimethylamine levels were the major explanations for the grouping of the postprandial samples after the different meals .
 Chemical: polyphenol; Chemical: hippuric acid; Chemical: 4 - hydroxyhippuric acid; Chemical: creatinine; Chemical: dimethylamine
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: polyphenol; Chemical: hippuric acid; Chemical: 4 - hydroxyhippuric acid; Chemical: creatinine; Chemical: dimethylamine