8678
To this end , CD1 mice were treated acutely with a standardized extract of P . vulgaris and then exposed to unlimited access to regular food pellets ( Experiment 1 ) or 1 - hour limited access to three different palatable foods / beverages , such as butter cookies ( Experiment 2 ) , a condensed - milk beverage ( Experiment 3 ) , and a chocolate - flavored beverage ( Experiment 4 ) .
 None
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