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Table 2 Precision and repeatability of the quantified compounds

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

Compound Concentrate (μg/mL) Precision Repeatability
Intra-Day (n = 3) Inter-Day (n = 3) Recovery (%) RSD (%)
RSD (%) Accuracy (%) RSD
(%)
Accuracy (%)
1 Caffeic acid 11.49 1.05 102.02 0.52 98.49 100.01 0.46
45.96 1.08 98.78 0.67 99.73 99.39 0.99
91.92 0.64 100.35 0.95 98.17 100.17 0.37
2 Ferulic acid 7.06 0.68 100.22 0.90 98.29 99.11 0.69
28.25 0.93 98.20 0.29 99.31 99.60 0.57
56.5 1.22 100.24 0.46 98.28 100.12 0.49
3 Rutin 2.53 1.26 100.35 0.62 100.15 100.18 0.55
10.12 1.29 101.12 0.80 99.21 100.65 0.92
20.24 0.76 99.56 1.14 100.94 99.78 0.31
4 Crocin 1.23 0.87 102.5 0.80 101.36 101.07 0.85
18.4 1.25 99.19 0.91 100.37 98.99 1.06
73.6 1.22 98.97 0.81 100.27 100.29 0.98
5 Apigenin 4 0.74 100.75 0.57 98.76 100.56 0.79
16 0.89 100.89 0.29 98.62 98.96 0.71
32 0.88 100.70 0.70 98.03 99.80 1.02
6 Safranal 1.33 0.57 101.53 0.67 101.07 100.27 0.65
10.64 0.78 98.68 0.53 99.14 99.58 0.77
42.56 1.02 100.47 0.86 100.12 99.14 1.04
7 Gallic acid 7.65 0.57 99.81 0.75 101.37 101.07 0.65
30.35 0.78 99.56 0.24 102.14 99.69 0.56
61.20 1.02 101.53 0.38 101.32 100.09 0.94
8 Chlorogenic acid 5.75 1.31 101.12 0.38 98.40 100.69 0.86
23 0.42 99.08 0.73 99.43 99.58 1.05
46 0.96 100.27 0.48 98.24 101.91 0.97