28504
In addition , AFE exhibited that the IC50 values of DPPH ( 2 . 5 micro g / ml ) and ABTS ( 1 . 8 micro g / ml ) were lower when compared to the standard quercetin ( 12 . 4 micro g / ml and 4 . 7 micro g / ml , respectively ) .
 Chemical: DPPH; Chemical: ABTS; Chemical: quercetin
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: DPPH; Chemical: ABTS; Chemical: quercetin