International Journal of Phytomedicine and Phytotherapy
Table 1 The coefficients of the regression equation of calibration curve (Y = a∙X2 + b∙X + c) and coefficients of determination
From: UPLC-MS/MS quantification of quercetin in plasma and urine following parenteral administration
Component to be determined/ biomatrix | Coefficients of regression equation | Coefficients of determination R2 | ||
|---|---|---|---|---|
A | b | c | ||
Qu/plasma | −1.390*10−8 | 0.0003208 | −0.00139 | 0.9985 |
Ir/plasma | −8.119*10−9 | 0.0002572 | −0.00262 | 0.9937 |
Qu/urine | 8.866*10−10 | 0.0000523 | 0.00106 | 0.9984 |
Ir/urine | 1.766*10−9 | 0.0000978 | 0.00406 | 0.9983 |