16687
Amongst the polymers tested in this study , EUDRAGIT E PO was found to have the greatest inhibitory effect on crystallization , whilst PVP K30 was found to have the least protective effect ; presumably because of its hygroscopic nature .
 Chemical: EUDRAGIT E PO; Chemical: PVP K30
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: EUDRAGIT E PO; Chemical: PVP K30