Table 3 Analytical/statistical data of total phenolic contents and antioxidant analysis of extracts and standards
From: Inhibitory capacity of extracts and main constituents of hop flowers
Samples | Total phenolics (mg GAE/g) (RSD%) | DPPH·—IC50 (µg/mL) (RSD%) | ABTS·+—IC50 (µg/mL) (RSD%) | ||
|---|---|---|---|---|---|
ME | ME | HE | ME | HE | |
(I) Commercial pellets | |||||
Saaz | 53.569 (1.353) | 446.140 (11.749) | 2,225.621 (10.547) | 343.186 (6.294) | 1,056.956 (11.522) |
Herkules | 45.505 (5.261) | 578.206 (5.175) | 317.263 (8.448) | 272.502 (16.94) | 187.087 (19.848) |
(II) Brazil cones | |||||
Chinook-1 | 47.591 (12.530) | 531.961 (14.447) | 523.31 (7.291) | 289.239 (7.740) | 215.298 (6.703) |
Chinook-2 | 51.360 (10.603) | 361.429 (0.777) | 1,048.631 (3.314) | 307.488 (15.699) | 637.697 (1.175) |
Cascade | 22.703 (8.210) | 1,977.854 (7.721) | * | 923.808 (2.741) | * |
(III) standards | |||||
ICE-4 | – | 171.464 (9.556) | 144.565 (5.865) | ||
Xanthohumol | – | * | 51.338 (13.254) | ||
BHT | – | 114.797 (17.542) | 65.216 (10.096) | ||