Research Article

A New Method of Area under the Absorbance-Wavelength Curve for Rats Total Metabolomic Pharmacokinetics from Yangxue Injection with Multicomponents

Table 3

The correlation coefficients and linear range of linear regression equations.

Compound EquationCorrelation coefficientsLinear range (μg/mL)

Ferulic acid 0.99990.0594~90.7
Tetramethylpyrazine hydrochloride 0.99990.104~63.2
Tanshinol sodium 0.99990.565~138
Sodium tanshinone IIA sulfonate .30.99997.55 × 10−3~4.61