12263
The supplementation of 0 . 25 , 0 . 50 and 1 . 0 mu l / ml of E . citriodora extract showed a dose dependent significant delay in the loss of climbing ability and reduction in the oxidative stress in the brain of PD model flies .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None