Table 3.
Essential oils/standards | DPPH scavenging activity |
---|---|
EC50 (µg/mL) | |
FU | 8.46 a ± 0.90 |
FO | 28.76 c ± 2.60 |
AC | 31.14 c ± 2.70 |
SC | 15.16 b ± 1.50 |
Quercetin | 3.11 ± 0.06 |
Trolox | 5.63 ± 0.09 |
Ascorbic acid | 10.34 ± 0.28 |
BHT | 31.00 ± 0.19 |
Place of sampling: FU = Furnas; FO = Fogo; SC = Sete Cidades; AC = Achada do Nordeste. Values are means ± standard deviations. Means marked by the same letter indicate no significant differences between essential oils P = 0.05 (LSD test).