28850
The antioxidant activity was measured by employing the scavenging activity on DPPH ( 2 , 2 - diphenyl - 1 - picrylhydrazyl ) and ABTS ( 2 , 2 ' - azinobis - 3 - ethylbenzothiazoline - 6 - sulfonate ) radicals .
 Chemical: DPPH; Chemical: 2 , 2 - diphenyl - 1 - picrylhydrazyl; Chemical: ABTS; Chemical: 2 , 2 ' - azinobis - 3 - ethylbenzothiazoline - 6 - sulfonate
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: 2 , 2 - diphenyl - 1 - picrylhydrazyl; Chemical: ABTS; Chemical: 2 , 2 ' - azinobis - 3 - ethylbenzothiazoline - 6 - sulfonate