1731
In Experiment 1 , rats were fed experimental diets with different protein levels ( 40 , 25 and 10 g / 100 g casein ) with or without 0 . 1 g / 100 g oleuropein .
 Chemical: oleuropein
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: oleuropein