Table 3.
Concentration (mg/g) of the major crocins found in the saffron samples analyzed in this work by UHPLC-DAD; average values and standard errors obtained in triplicate experiments and comparison with literature data.
| Crocin | Column | Ref [33] | Ref [32] | |||
|---|---|---|---|---|---|---|
| Kinetex C18 | Luna Omega Polar C18 | |||||
| Sample | ||||||
| AQ | AQ | IR | MO | |||
| t-5tG | 3.32 ± 0.06 | 2.8 ± 0.6 | 3.1 ± 0.2 | 3.1 ± 0.4 | 3.6 ± 0.1 | |
| t-5nG | 13.6 ± 0.1 | 0.8 ± 0.1 | 1.09 ± 0.09 | 0.9 ± 0.1 | 3.8 ± 0.1 | |
| t-4GG | 159.8 ± 0.4 | 153 ± 1 | 146.9 ± 0.8 | 169 ± 1 | 157.2 ± 0.3 | 145 ± 3 |
| t-3Gg | 54.5 ± 0.4 | 52.3 ± 0.1 | 50.8 ± 0.1 | 60.4 ± 0.5 | 76.4 ± 0.4 | 70 ± 2 |
| t-2gg | 2.46 ± 0.06 | 1.84 ± 0.08 | 1.76 ± 0.08 | 2.12 ± 0.09 | 6.0 ± 0.2 | |
| c-4GG | 11.5 ± 0.2 | 19.6 ± 0.4 | 19.2 ± 0.8 | 26 ± 1 | 4.8 ± 0.3 | 12 ± 1 |
| c-3Gg | 2.13 ± 0.08 | 8.0 ± 0.6 | 5.0 ± 0.3 | 7.2 ± 0.6 | 2.4 ± 0.1 | 5.2 ± 0.4 |
| t-2G | 4.0 ± 0.1 | 9.6 ± 0.8 | 12.2 ± 0.2 | 11.4 ± 0.6 | 9.8 ± 0.2 | 4.8 ± 0.2 |
| t-1g | 0.47 ± 0.02 | 0.77 ± 0.09 | 1.37 ± 0.04 | 0.83 ± 0.09 | 0.9 ± 0.1 | |
AQ, L’Aquila (Italy); IR, Iran; MO, Morocco.