Table 3.
Total phenolic (TPC) and flavonoid (TFC) content, 2,2-diphenyl-1-picryl-hydrazyl (DPPH), 2,2′-azino-bis-(3-ethylbenzothiazoline-6-sulfonate (ABTS) scavenging capacity, ferric reducing antioxidant power (FRAP), and tyrosinase inhibition of the extracts of Lycium cultivars (values expressed are means ± SD of three measurements).
| Sample | TPC (mg GAE/g dw Extract) |
TFC (mg QE/g dw Extract) |
FRAP (mg TE/g dw Extract) |
DPPH Scavenging (mg TE/g dw Extract) |
ABTS Scavenging (mg TE/g dw Extract) |
Tyrosinase Inhibition (mg KAE/g dw Extract) |
|---|---|---|---|---|---|---|
| P1D | 19.22 ± 0.52 | 4.05 ± 0.61 | 23.84 ± 0.31 | 26.29 ± 1.65 | 40.45 ± 0.26 | 2.12 ± 0.25 |
| P2D | 17.09 ± 1.59 | 3.58 ± 0.11 | 19.47 ± 0.99 | 24.62 ± 0.24 | 34.79 ± 1.13 | 2.50 ± 0.86 |
| P3D | 18.09 ± 0.13 | 3.87 ± 0.76 | 20.80 ± 0.74 | 16.77 ± 4.38 | 36.85 ± 0.39 | 2.39 ± 0.53 |
| P4D | 22.64 ± 0.97 | 2.89 ± 0.13 | 36.63 ± 0.84 | 36.47 ± 1.42 | 44.97 ± 0.48 | 9.69 ± 0.19 |
| P5D | 19.50 ± 0.67 | 2.64 ± 0.17 | 33.28 ± 2.03 | 35.58 ± 2.14 | 44.91 ± 0.61 | 6.54 ± 0.78 |
| W1D | 12.28 ± 1.87 | 3.18 ± 0.21 | 16.76 ± 1.03 | 18.66 ± 2.22 | 31.88 ± 0.58 | 2.59 ± 0.35 |
| W2D | 20.29 ± 0.88 | 4.26 ± 0.13 | 21.24 ± 1.46 | 16.77 ± 2.83 | 39.10 ± 1.68 | 3.17 ± 0.83 |
| W3D | 15.33 ± 0.16 | 3.45 ± 0.13 | 20.96 ± 0.75 | 17.99 ± 3.98 | 37.71 ± 0.33 | 3.33 ± 0.70 |
| W4D | 15.27 ± 0.69 | 2.39 ± 0.06 | 29.90 ± 1.57 | 32.97 ± 2.60 | 37.84 ± 0.74 | 8.03 ± 0.85 |
| W5D | 19.54 ± 0.70 | 3.56 ± 0.24 | 32.14 ± 3.49 | 40.32 ± 4.01 | 42.03 ± 0.20 | 8.42 ± 0.75 |
| P1U | 18.86 ± 0.45 | 3.42 ± 0.10 | 28.54 ± 0.59 | 32.58 ± 2.70 | 40.67 ± 1.16 | 5.05 ± 0.58 |
| P2U | 18.39 ± 1.57 | 3.87 ± 0.26 | 25.93 ± 1.79 | 21.78 ± 3.53 | 39.10 ± 0.46 | 3.50 ± 0.29 |
| P3U | 19.59 ± 0.73 | 3.61 ± 0.14 | 23.86 ± 0.59 | 21.11 ± 3.94 | 38.02 ± 0.63 | 3.72 ± 0.63 |
| P4U | 7.69 ± 1.78 | 11.03 ± 1.24 | 23.89 ± 2.09 | 10.75 ± 0.06 | 45.24 ± 4.69 | 57.60 ± 0.01 |
| P5U | 17.71 ± 0.93 | 2.77 ± 0.17 | 30.86 ± 0.86 | 26.23 ± 2.15 | 39.43 ± 0.46 | 6.48 ± 0.16 |
| W1U | 17.43 ± 0.30 | 4.02 ± 0.02 | 20.90 ± 0.49 | 19.89 ± 1.65 | 37.57 ± 1.13 | 4.33 ± 0.72 |
| W2U | 11.83 ± 0.67 | 3.13 ± 0.24 | 15.71 ± 0.05 | 12.20 ± 2.53 | 27.81 ± 0.46 | 4.66 ± 0.99 |
| W3U | 17.00 ± 0.65 | 3.24 ± 0.12 | 20.49 ± 0.62 | 17.99 ± 0.77 | 35.96 ± 0.38 | 1.56 ± 0.74 |
| W4U | 23.49 ± 3.36 | 10.54 ± 0.12 | 51.93 ± 2.97 | 14.98 ± 4.40 | 63.58 ± 13.07 | 62.79 ± 0.66 |
| W5U | 15.10 ± 1.41 | 2.58 ± 0.09 | 28.59 ± 2.55 | 29.13 ± 0.94 | 35.76 ± 0.30 | 9.30 ± 0.44 |
| E1D | 5.76 ± 0.24 | 10.47 ± 1.83 | 23.00 ± 3.66 | 2.18 ± 0.84 | 51.14 ± 4.27 | 59.49 ± 1.33 |
| B1D | 3.31 ± 0.66 | 9.29 ± 0.60 | 21.56 ± 2.28 | na | 76.78 ± 7.91 | 49.35 ± 4.33 |
na: not active.