Table 3.
Plant oils, methanol extracts,and controls | Test system | |
---|---|---|
DPPH IC50 (μg/mL) | β-Carotene/linoleic acid (% inhibition rate) | |
T. kotschyanus oil | 278 ± 1.9 | 69.2 ± 0.5 |
T. daenensis subsp lancifolius oil | 99.6 ± 0.5 | 88.4 ± 0.8 |
T. eriocalyx oil | 198 ± 1.4 | 57.6 ± 0.6 |
T. kotschyanus polar sub-fraction | 128 ± 0.9 | 61.2 ± 0.5 |
T. kotschyanus non-polar sub-fraction | 526 ± 3.1 | 81.4 ± 0.6 |
T. daenensis subsp lancifolius polar sub-fraction | 19.1 ± 0.1 | 50.2 ± 0.4 |
T. daenensis subsp lancifolius non-polar sub-fraction | 248.7 ± 1.6 | 92.1 ± 1.1 |
T. eriocalyx polar sub-fraction | 34.2 ± 0.4 | 67.9 ± 0.7 |
T. eriocalyx non-polar sub-fraction | 426.2 ± 2.7 | 96.1 ± 0.8 |
BHT | 18.2 ± 0.3 | 96.4 ± 0.9 |
aResults are means of three different experiments.