Table 2. Retention time (Rt), wavelengths of maximum absorption in the visible region (λmax), mass spectral data, tentative identification and total anthocyanin content in the three strawberry cultivars in study.
| Peak | Rt (min) | λmax (min) | Molecular ion | Tentative identification | Total anthocyanin content (mg/Kg of FW) | |||
| [M+] (m/z) | MS2 (m/z) | Sveva | Alba | Adria | ||||
| 1 | 21.7 | 515 | 705 | 543,407, | (Epi)afzelechin-(4→8)Pg 3- | nd | nd | 2.73±0.1 |
| 313,271 | glucoside | |||||||
| 2 | 23.2 | 515 | 449 | 287 | Cy-3-glucoside | 16.35±5.6 | 19.02±3.5 | 28.97±4.6 |
| 3 | 24.1 | 500 | 595 | 433, 271 | Pg 3,5-diglucoside | nd | nd | 0.438±0.01 |
| 4 | 27.3 | 502 | 433 | 271 | Pg 3-glucoside | 611.18±25.5 | 507.51±25.4 | 1054.3±67.4 |
| 5 | 29.3 | 503 | 579 | 433, 271 | Pg 3-rutinoside | nd | 20.89±4.1 | 101.03±21.5 |
| 6 | 33.7 | n.a | 535 | 287 | Cy 3-malonylglucoside | nd | 1.17±0.01 | nd |
| 7 | 37.7 | 504 | 519 | 271 | Pg 3-malonylglucoside | 2.85±0.4 | 65.48±5.6 | 2.350±0.2 |
| 8 | 40 | 504 | 475 | 271 | Pg 3-acetylglucoside | 7.250±0.2 | 1.13±0.01 | nd |
| 9 | 41.8 | 508 | 533 | 271 | Pg 3-succinylglucoside? or | nd | nd | 3.83±0.03 |
| Pg 3-methylmalonylglucoside? | ||||||||
| Total anthocyanin content | 637.63±65.8 | 615.2±53.8 | 1193.64±101.4 | |||||
Values expressed as means (mg/kg of FW) ± SD. nd, not detected.