23370
Finally , the XANES analysis suggests that the origin of the ferrihydrite could be at bacterial ferritin cores , characterized by a poorly crystalline structure and high phosphorus content .
 Chemical: ferrihydrite; Chemical: phosphorus
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: ferrihydrite; Chemical: phosphorus