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. 2014 May-Jun;4(3):200–214.

Table 3.

Effect of the test compounds in the DPPH assay

Test compound IC50 * R2 ** Test compound IC50 * R2 ** Test compound IC50 * R2 **
Essential Oil 1.79 0.998
Eugenol 1.26 0.999
Rutin 14.65 0.991
Ascorbic acid 4.20 0.994
Butylated hydroxytoluene (BHT) 4.47 0.998
Butylated hydroxyanisole (BHA) 1.12 0.996
*

Concentration (μg/mL) for a 50 % inhibition

**

R2 – correlation coefficient