Table 2.

Linearity for assay of aesculin in rat plasma.

Analytical batch	Slope	Intercept	Regression equation	Correlation coefficient
1	0.0365	0.0332	y = 0.0365x + 0.0332	r = 0.9902
2	0.0384	0.0341	y = 0.0384x + 0.0341	r = 0.9915
3	0.0352	0.0337	y = 0.0352x + 0.0337	r = 0.9946
4	0.0379	0.0354	y = 0.0379x + 0.0354	r = 0.9952
5	0.0369	0.0327	y = 0.0369x + 0.0327	r = 0.9929