Table 1.
Regression equations, correlation coefficients and linear ranges of demethyleneberberine in different mixed matrices of rats and mice.
| Matrix | Regression Equations | Correlation Coefficient (r2) | Linear Range (ng/mL) |
|---|---|---|---|
| Plasma | Y = 227.71 X + 9.788 | 0.9984 | 0.5–1000 |
| Heart | Y = 867.95 X + 15.193 | 0.9994 | 1–1000 |
| Liver | Y = 770.17 X + 6.9004 | 0.9998 | 1–1000 |
| Spleen | Y = 271.01 X + 16.991 | 0.9940 | 1–1000 |
| Lung | Y = 239.7 X − 6.2526 | 0.9983 | 1–1000 |
| Kidney | Y = 560.53 X + 13.146 | 0.9964 | 1–1000 |
| Brain | Y = 198.63 X + 17.806 | 0.9948 | 1–1000 |
| Stomach | Y = 418.44 X − 26.683 | 0.9976 | 3–3000 |
| Intestine | Y = 1379.2 X + 9.7943 | 0.9961 | 1–3000 |
| Urine | Y = 363.85 X + 12.913 | 0.9998 | 1–3000 |
| Feces | Y = 605.06 X − 61.477 | 0.9930 | 3–5000 |
| Bile | Y = 716.2 X − 18.949 | 0.9911 | 3–5000 |