17857
Citrus narirutin fraction ( CNF ) , contained 75 % of narirutin , was obtained by an ultra - sonicated extraction and further purification .
 Chemical: narirutin; Chemical: narirutin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: narirutin, narirutin 
Answer:
 Chemical: narirutin; Chemical: narirutin