21778
Determination of major phlorotannins in Eisenia bicyclis using hydrophilic interaction chromatography : seasonal variation and extraction characteristics .
 Chemical: phlorotannins
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: phlorotannins 
Answer:
 Chemical: phlorotannins