22124
Trolox equivalent antioxidant capacity ( TEAC ) values , alpha - tocopherol concentrations and iron / copper status were determined to assess plasma oxidative and anti - oxidative capacity .
 Chemical: Trolox; Chemical: alpha - tocopherol; Chemical: iron; Chemical: copper
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: Trolox, alpha - tocopherol, iron, copper 
Answer:
 Chemical: Trolox; Chemical: alpha - tocopherol; Chemical: iron; Chemical: copper