Table 1 Characteristic parameters of the investigated compounds analyzed with the UFLC-MS/MS system
Analytes | Linear ranges (ng/mL) | Linear equation (weight, 1/Xor 1/X2) | R 2 | LOD (ng/mL)a | LOQ (ng/mL)b |
|---|---|---|---|---|---|
Nootkatone | 2.0–1000 | Y=3980X+13000 | 0.995 | 0.40 | 2.00 |
Yakuchinone A | 2.0–2000 | Y=7070X+10500 | 0.986 | 0.20 | 2.00 |
Yakuchinone B | 2.0–1000 | Y=7080X+5.450 | 0.993 | 0.27 | 2.00 |
Oxyphyllacinol | 5.83–2330 | Y=23.4X+800 | 0.998 | 5.83 | 11.7 |
Boldine | 5.0–2000 | Y=72.80X+59.40 | 0.996 | 2.00 | 5.00 |
Norisoboldine | 1.94–1940 | Y=6940X+19300 | 0.993 | 0.19 | 1.94 |
Linderane | 2.16–2160 | Y=3590X+630.0 | 0.995 | 0.43 | 2.16 |
Isolinderalactone | 2.6–1040c | Y=0.604X+0.785 | 0.995 | 1.04c | 2.60c |
Atractylenoide III | 2.0–2000 | Y=1630X+1440 | 0.997 | 2.00 | 5.00 |
Tectochrysin | 2.07–2070 | Y=6470X+1190 | 0.998 | 0. 21 | 2.07 |
Izalpinin | 2.0–2000 | Y=1490X-2460 | 0.998 | 1.00 | 2.00 |
Chrysin | 2.0–2000 | Y=1560X+106.0 | 0.996 | 1.00 | 2.00 |
Apigenin-4’,7-dimethylther | 5.0–2000 | Y=76.00X-134.0 | 0.994 | 2.00 | 5.00 |
Kaempferide | 5.0–2000 | Y=455.0X-710.0 | 0.999 | 2.00 | 5.00 |