Table 1.
Statistical data for the regression equations of the calibration curve for pyrogallol, and linearity test and specificity test for TP of CE from L. brasiliense.
| Regression analysis | Calibration curve for pyrogallol | Linearity test for CE | Specificity test for CE |
|---|---|---|---|
| Slope (SE) | 0.1407 (0.00225) | 0.029 (0.00040) | 0.031 (0.00030) |
| Intercept (SE) | 0.0044 (0.0078) | 0.046 (0.00010) | 0.133 (0.0008) |
| Regression coefficient (R2) | 0.996 | 0.996 | 0.997 |
| Calculated F-value (critical F-value) | 3.30 (3.71) | 0.26 (3.71) | 1.12 (3.71) |
| Sum of pure error | 0.0990 | 0.0012 | 0.0009 |
| Lack of fit error | 0.0097 | 0.0010 | 0.0008 |
| Analysis of variance | F1,13 = 3901.2, P < 0.001 | F1,13 = 3999.8, P < 0.001 | F1,13 = 5880.8, P < 0.001 |
| CL slope | 0.1359; 0.1456 | 0.0286; 0.0307 | 0.0303; 0.0320 |
| CL intercept | −0.0125; 0.0213 | 0.0284; 0.0652 | 0.1173; 0.1491 |
SE = standard error; CL = confidence limit