Table 2.
Crocins in saffron floral by-products and saffron stigmas 1.
| trans-4-GG (% w/w) | trans-3-Gg (% w/w) | Total Crocins (% w/w) | |
|---|---|---|---|
| SFL1 | 0.009 ± 0.002d | 0.034 ± 0.005b | 0.042 ± 0.007c |
| SFL2 | n.d. | n.d. | - |
| Spanish Stigmas | 11.91 ± 0.13a | 5.13 ± 0.05a | 17.04 ± 0.18a |
| Iranian Stigmas | 9.22 ± 0.30c | 3.98 ± 0.48a | 13.19 ± 0.78b |
| Greek Stigmas | 10.74 ± 0.24b | 3.93 ± 0.53a | 14.67 ± 0.77b |
1 Means ± standard deviation in the same column followed by different lowercase letters indicate statistically significant differences at p ≤ 0.05 for each sample (n = 3). SFL1, SFL2: Saffron floral by-products from two different producers; n.d.: not detected.