4094
Examined quinolones were isolated from salmon tissue by extraction with citrate buffer solution ( pH = 4 . 7 ) and purified by solid phase extraction using Oasis HLB ( 200mg / 6 mL ) cartridges .
 Chemical: quinolones; Chemical: citrate
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: quinolones; Chemical: citrate