Research Article

Measurement of Pharmacokinetics and Tissue Distribution of Four Compounds from Nauclea officinalis in Rat Plasma and Tissues through HPLC-MS/MS

Table 2

Summary of standard curves, correlation coefficients, LLOQ, and linear ranges of four analytes in plasma and tissue samples.

CompoundsMatrixLinear regression equationR 2LLOQ (ng/mL)Linear range (ng/mL)

Chlorogenic acidPlasmay = 0.0288x + 0.001930.999422–2500
Hearty = 0.0063x − 0.007710.984922–2500
Livery = 0.0267x − 0.03230.998022–2500
Spleeny = 0.0392x + 0.02770.988622–2500
Lungy = 0.0442x + 0.02390.995822–2500
Kidneyy = 0.0217x − 0.03020.995022–2500
Small intestiney = 0.0334x − 0.04010.996422–2500
Stomachy = 0.0402x − 0.01290.995222–2500
Brainy = 0.0499x − 0.05620.996022–2500

Naucleactonin CPlasmay = 0.00535x + 0.02070.996455–2500
Hearty = 0.00313x − 0.001160.992655–2500
Livery = 0.00395x − 0.01010.996455–2500
Spleeny = 0.00511x − 0.005260.995055–2500
Lungy = 0.00534x − 0.002630.998055–2500
Kidneyy = 0.00363x − 0.00980.996055–2500
Small intestiney = 0.00224x − 0.005270.996855–2500
Stomachy = 0.00465x − 0.01380.997255–2500
Brainy = 0.00552x − 0.01630.993255–2500

Khaephuoside APlasmay = 0.00316x + 0.01530.995455–2000
Hearty = 0.00673x − 0.0050.994655–2000
Livery = 0.0063x − 0.005020.996255–2000
Spleeny = 0.011x − 0.00540.998055–2000
Lungy = 0.0099x − 0.001660.997855–2000
Kidneyy = 0.00531x − 0.00470.995455–2000
Small intestiney = 0.0058x − 0.01560.990655–2000
Stomachy = 0.00745x − 0.008370.992055–2000
Brainy = 0.0126x + 0.0003770.993855–2000

3,4-Dimethoxyphenyl-1-O-β-apiofuroseyl(1 ⟶ 2)-β-D-glucopyranosidePlasmay = 0.000845x + 0.003960.99842525–2500
Hearty = 0.000804x + 0.001590.98492525–2500
Livery = 0.000873x − 0.005150.99682525–2500
Spleeny = 0.00134x + 0.009470.98942525–2500
Lungy = 0.00138x + 0.006260.99642525–2500
Kidneyy = 0.000633x − 0.0005380.99302525–2500
Small intestiney = 0.00109x + 0.0009660.99622525–2500
Stomachy = 0.00119x + 0.005490.99642525–2500
Brainy = 0.00163x − 0.01490.99522525–2500

Abbreviations. LLOQ, lower limit of quantification; R2, determination coefficients.