Table 3.
Trolox equivalent antioxidant capacity (TEAC; mmol Trolox eq./g), ferric-reducing antioxidant power (FRAP; mmol Fe2+/g), and radical scavenging activities against 2,2′-diphenyl-1-picrylhydrazyl (DPPH•) radical DPPH of the berry extracts and fresh material (FM).
Sample | TEAC | FRAP | DPPH | ||
---|---|---|---|---|---|
g Extract | g FM | g Extract | g FM | mg/mL | |
Blackberry | 10.25 ab | 2.94 de | 7.02 b | 2.01 cd | 0.28 e |
Black currants | 12.09 a | 9.00 a | 10.29 a | 7.72 a | 0.20 e |
Blueberries Cv. Blue Ray | 7.58 bcd | 3.78 cd | 4.61 cd | 2.57 c | 0.48 cd |
Blueberries Cv. Duke | 8.79 abc | 5.21 bc | 4.78 cd | 2.61 c | 0.50 cd |
Blueberries Cv. Misty | 6.09 cde | 2.87 de | 4.18 de | 1.98 cd | 0.57 c |
Goji | 2.79 e | 0.74 e | 1.46 g | 0.39 f | 1.18 a |
Raspberries | 4.38 de | 1.08 e | 3.08 ef | 0.76 ef | 0.60 c |
Red currants | 9.39 abc | 6.17 b | 3.95 de | 2.56 c | 0.35 de |
Red gooseberries | 3.47 e | 2.40 de | 2.02 fg | 1.40 de | 0.96 b |
White currants | 9.08 abc | 5.96 bc | 5.87 bc | 3.85 b | 0.26 e |
White gooseberries | 8.23 bc | 7.12 ab | 4.53 cd | 3.92 b | 0.49 cd |
a,b,c,d,e,f,g Values in the column with different superscript letters are significantly different (p < 0.05).