26835
To our knowledge , this is the first study to report the steroidal saponins in the plant S . uncinata and demonstrate their protective effect against anoxia in PC12 cell assay .
 Chemical: steroidal saponins
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: steroidal saponins 
Answer:
 Chemical: steroidal saponins