Table 2 Standard curves and linear ranges for each compound to be tested in PK studies
Analytes | Calibration curve | r2 | Linear range (ng/mL) |
|---|---|---|---|
Ephedrine | y = 0.8825x + 3.7555 | 0.9928 | 10–1000 |
Methylephedrine | y = 1.5091x + 0.0095 | 0.9945 | 0.1–25 |
Songorine | y = 2.1609x-0.0359 | 0.9905 | 0.1–50 |
Fuziline | y = 1.4974x-0.0152 | 0.9915 | 0.1–25 |
Neoline | y = 0.4646x-0.0020 | 0.9923 | 0.1–50 |
Albiflorin | y = 0.1032x + 0.0452 | 0.9916 | 5–500 |
Talatizamine | y = 1.9382x-0.0038 | 0.9928 | 0.1–50 |
Calycosin-7-glucoside | y = 0.1515x-0.0034 | 0.9936 | 0.1–100 |
Benzoylmesaconine | y = 1.0726x-0.0059 | 0.9929 | 0.1–100 |
Benzoylaconine | y = 0.7982x + 0.0047 | 0.9962 | 0.05–10 |
Benzoylhypaconine | y = 1.5379x-0.0135 | 0.9973 | 0.1–10 |
Oxypaeoniflorin | y = 0.9149x-0.0075 | 0.9995 | 0.5–50 |
Paeoniflorin | y = 0.0324x + 0.0288 | 0.9938 | 2.5–2500 |
Liquiritin apioside | y = 2.8756x-0.1369 | 0.9985 | 1–2500 |
Liquiritin | y = 4.1916x + 0.1199 | 0.9961 | 1–500 |
Isoliquiritin | y = 3.6659x-0.0129 | 0.9999 | 0.5–50 |
Liquiritigenin | y = 2.9112x + 0.0522 | 0.9990 | 0.5–100 |
Calycosin | y = 9.7214x-0.0172 | 0.9958 | 0.1–25 |
Benzoylpaeoniflorin | y = 0.0862x-0.0007 | 0.9992 | 1–50 |
Isoliquiritigenin | y = 6.5489x-0.0406 | 0.9993 | 0.5–50 |
Glycyrrhizic acid | y = 0.6790x-0.3716 | 0.9982 | 100–10000 |
Formononetin | y = 13.0676x + 0.0165 | 0.9974 | 0.5–50 |
Glycyrrhetinic acid | y = 3.2768x + 0.3358 | 0.9948 | 100–20000 |