19273
In conclusion , we suggest that ghrelin treatment might ameliorate ingested - Na2S2O5 induced gastric mucosal injury stemming from apoptosis and oxidative stress in rats .
 Chemical: Na2S2O5
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: Na2S2O5