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Table 3 The content of biological active compounds (mg/g dry weight) in Crocus sativus stigmas water and hydroethanolic (70%, v/v) crude extracts

From: Bio-guided bioactive profiling and HPLC-DAD fingerprinting of Ukrainian saffron (Crocus sativus stigmas): moving from correlation toward causation

Compounds RT,
min
λ,
nm
UV,
λ max, nm
Stigmas extract
Water Hydroethanolic
Specific compounds
 Crocin 28.37 440 261, 440, 466 38.27 ± 0.03 163.02 ± 1.16
 Picrocrocin 25.88 250 249, 327 62.25 ± 0.10 197.19 ± 5.60
 Safranal 55.85 310 231, 312 10.81 ± 0.03 146.66 ± 3.07
Flavonoids
 Rutin 22.48 310 256, 352 3.07 ± 0.02 14.81 ± 0.41
 Apigenin 47.90 250 237, 267, 337 0.96 ± 0.01 8.39 ± 0.15
Hydroxycinnamic acids
 Caffeic acid 14.18 310 217, 236, 342 0.11 ± 0.00 0.38 ± 0.01
 Ferulic acid 21.64 310 218, 236, 323 0.13 ± 0.03 0.26 ± 0.00