Table 2.
The retention time (tR), peak area (PA), relative peak relative retention time (RRT), and relative peak area (RPA) of 10 characteristic peaks in the bilberry reference extract and bilberry extract samples (n = 3).
| Component a | tR (min) b | RRT | Peak area (mAU) b | RPA | ||
|---|---|---|---|---|---|---|
| Average | RSD (%) | Average | RSD (%) | |||
| 1 | 14.68 | 0.75 | 0.58 | 2065.633 | 1.15 | 0.53 |
| 2 | 15.94 | 0.82 | 0.17 | 2514.939 | 1.34 | 5.69 |
| 3 | 17.14 | 0.89 | 0.30 | 1686.999 | 0.89 | 6.40 |
| 4 | 17.95 | 0.94 | 0.28 | 1616.961 | 1.03 | 4.66 |
| 5 (S) | 18.80 | 1.00 | 0 | 1864.444 | 1.00 | 4.36 |
| 6 | 19.80 | 1.07 | 0.10 | 813.383 | 0.43 | 7.25 |
| 7 | 20.84 | 1.13 | 0.22 | 1224.583 | 0.71 | 6.03 |
| 8 | 21.43 | 1.19 | 0.09 | 1528.597 | 0.87 | 3.96 |
| 9 | 27.09 | 1.63 | 0.93 | 1599.29 | 0.88 | 0.11 |
| 10 | 29.88 | 1.84 | 1.19 | 261.977 | 0.20 | 40.03 |
a Component: 1, Del-3-gal; 2, Del-3-glc; 3, Cy-3-gal; 4, Del-3-ara; 5, Cy-3-glc; 6, Pet-3-gal; 7, Cy-3-ara; 8, Pet-3-glc; 9, Mal-3-glc; 10, Mal-3-ara. b Retention times and peak areas of the ten peaks in bilberry reference extract.