Table 1.

Total phenolic and flavonoid contents expressed as gallic acid and catechin equivalents, in mg/g dry sample, respectively, DPPH radical-scavenging activity and β-carotene bleaching capacity.

Extracts	Total Phenolic Content (mg GAE/g DR)	Total Flavonoids Content (mg CE/g DR)	DPPH IC50 (µg/mL)	β-Carotene IC50 (µg/mL)
CHE	40.99 ± 0.41 c	213.07 ± 1.72 c	25 ± 4.36 a	95.692 ± 0.027 b
EAE	24.04 ± 0.55 b	202.89 ± 6.15 b	45 ± 2.88 b	73.581 ± 0.087 a
BE	10.54 ± 0.20 a	62.85 ± 1.33 a	92 ± 4.05 c	97.775 ± 0.007 b
BHT	-	-	11.5 ± 0.01	75 ± 0.2

Data were presented as mean of triplicate determinations ± standard deviation (n = 3). The letters (a–c) indicate a significant difference between the different antioxidant methods according to the Duncan test (p < 0.05).