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In the bulk oil system , phytosteryl phenolates showed similar or lower antioxidant activity compared with those of phenolic acids .
 Chemical: phytosteryl phenolates; Chemical: phenolic acids
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: phytosteryl phenolates; Chemical: phenolic acids