5582
These findings correlated with increased chondrogenesis and mineral formation within the callus site at 2 weeks postfracture , as demonstrated by increased safranin O and von Kossa staining , respectively .
 Chemical: safranin O
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: safranin O