26103
The results of the present study indicate that the gastroprotective effect of PA might contribute to the antioxidant and anti - inflammatory properties as well as the anti - apoptotic mechanism and antibacterial action against Helicobacter pylori .
 None
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:  
Answer:
 None