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In Experiment 2 , the effects of oleuropein aglycone ( a major phenolic compound in extra virgin olive oil and the absorbed form of oleuropein ingested in the gastrointestinal tracts ) on the secretion of luteinizing hormone ( LH ) from the pituitary gland , which regulates testosterone production in the testis , were investigated in anesthetized rats .
 Chemical: oleuropein; Chemical: phenolic; Chemical: oleuropein; Chemical: testosterone
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; Chemical: phenolic; Chemical: oleuropein; Chemical: testosterone