25828
The aim of this study was to evaluate the estrogenic properties and neuroprotective effects of Cyperi Rhizoma under estrogen - deprived condition in female mice .
 Chemical: estrogen
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: estrogen