22214
In this study , zein and zein / carboxymethyl chitosan ( CMCS ) nanoparticles were prepared to encapsulate I3C and DIM by a combined liquid - liquid phase separation and ionic gelation method .
 Chemical: carboxymethyl; Chemical: I3C; Chemical: DIM
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: carboxymethyl; Chemical: I3C; Chemical: DIM