Table 2 Total antioxidant capacity, phenol content, flavonoid, β-carotene, lycopene and tannin contents in plant extracts
Plant | Polyphenol content (mg of GAE/g DW) | Flavonoid content (mg of QR/g DW) | Tannin content (mg of QR/g DW) | β- carotene (μg/mg) | Lycopene (μg/mg) | Total antioxidant capacity (mg of GAE/g DW) |
|---|---|---|---|---|---|---|
P. roxburghii | 246.66 ± 1.52 | 597.14 ± 0.73 | 80.43 ± 1.3 | 0.1034 ± 0.001 | 0.065 ± 0.003 | 221.33 ± 0.6 |
P. wallchiana | 222.33 ± 1.15 | 476.55 ± 0.42 | 72.34 ± 0.5 | 0.1054 ± 0.001 | 0.070 ± 0.001 | 202.21 ± 1.12 |
P. gerardiana | 248.66 ± 0.57 | 535.23 ± 0.48 | 68.41 ± 0.3 | 0.104 ± 0.001 | 0.076 ± 0.0004 | 215.03 ± 0.42 |