Table 2.
Rutin and flavonoid content of analyzed goji berries hydroalcoholic (HA) extracts. Flavonoids are expressed as rutin equivalent using the HPLC areas collected at 360 nm.
| Sample | HA Extract (mg/g dw) |
Rutin (± 3%) (µg/g dw) |
Flavonoids (± 5%) (µg/g dw) |
Rutin (± 3%) (µg/mg Extract) |
Flavonoids (± 5%) (µg/mg Extract) |
|---|---|---|---|---|---|
| P1D | 467 | 210 | 790 | 0.45 | 1.69 |
| P2D | 548 | 263 | 661 | 0.48 | 1.28 |
| P3D | 528 | 360 | 658 | 0.68 | 1.25 |
| P4D | 410 | 330 | 950 | 0.80 | 2.31 |
| P5D | 340 | 205 | 564 | 0.60 | 1.66 |
| W1D | 422 | 371 | 995 | 0.88 | 2.36 |
| W2D | 472 | 274 | 699 | 0.58 | 1.48 |
| W3D | 493 | 256 | 874 | 0.52 | 1.77 |
| W4D | 430 | 268 | 1033 | 0.62 | 2.40 |
| W5D | 448 | 336 | 925 | 0.75 | 2.06 |
| P1U | 450 | 184 | 591 | 0.41 | 1.31 |
| P2U | 558 | 335 | 735 | 0.60 | 1.32 |
| P3U | 589 | 316 | 705 | 0.54 | 1.20 |
| P4U | 414 | 317 | 1598 | 0.77 | 3.86 |
| P5U | 345 | 238 | 428 | 0.69 | 1.24 |
| W1U | 456 | 405 | 1134 | 0.89 | 2.49 |
| W2U | 506 | 309 | 642 | 0.61 | 1.27 |
| W3U | 494 | 242 | 1237 | 0.49 | 2.50 |
| W4U | 464 | 198 | 1183 | 0.43 | 2.55 |
| W5U | 413 | 250 | 374 | 0.60 | 0.90 |
| E1D | 528 | 288 | 1605 | 0.54 | 3.04 |
| B1D | 420 | 255 | 752 | 0.61 | 1.79 |
dw: dry weight.