2685
The overall rate of biohydrogenation of C18 : 2 was 14 . 3 % / h , but declined 1 . 2 % / h for each percentage unit increase in C18 : 2 added to the substrate .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None