14947
Paeoniflorin protects human EA . hy926 endothelial cells against gamma - radiation induced oxidative injury by activating the NF - E2 - related factor 2 / heme oxygenase - 1 pathway .
 Chemical: Paeoniflorin; Chemical: heme
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: Paeoniflorin; Chemical: heme