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Rapeseed oil - enriched diet also appeared to promote a decrease in hydroperoxide production by the respiratory chain , although a simultaneous decrease in vitamin E content was detected .
 Chemical: hydroperoxide; Chemical: vitamin E
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: hydroperoxide; Chemical: vitamin E