Compound | Calibration curveа | Correlation coefficient r2 (n = 6) | Linear range (μg/mL) | RSD, % | LODb (ng/mL) | LOQc (ng/mL) | |
---|---|---|---|---|---|---|---|
1 | Caffeic acid | y = 57,646.8x-3853.48 | 0.9999218 | 0.72–91.92 | 1.56 | 20 | 60 |
2 | Ferulic acid | y = 54,955.4x - 638.345 | 0.9999592 | 0.44–56.5 | 1.60 | 30 | 80 |
3 | Rutin | y = 16,072.5x + 1499.73 | 0.9998787 | 0.16–20.24 | 1.07 | 96 | 290 |
4 | Crocin | y = 3789.03x + 220.836 | 0.999588 | 1.15–147.2 | 1.28 | 100 | 300 |
5 | Apigenin | y = 50,138.3x + 5722.97 | 0.9998899 | 0.2–25.76 | 0.53 | 25 | 80 |
6 | Safranal | y = 39,230.1x-11,887.2 | 0.999529 | 1.33–42.56 | 1.35 | 120 | 360 |
7 | Gallic acid | y = 32,880.6x-612.983 | 0.9999718 | 0.48–61.08 | 1.31 | 30 | 100 |
8 | Chlorogenic acid | y = 29,930.2x-538.361 | 0.9999502 | 0.36–46 | 1.29 | 20 | 70 |