Table 3 Linearity for target metabolites produced by calibration curves
Analyte | Linear range (ng/mL) | Regression equation | r2 |
|---|---|---|---|
Salicylic acid 2-O-β-D-glucoside | 0.8–40 | y = 0.01237x + 0.00013 | 0.9989 |
2,3-Dihydroxybenzoic acid | 0.8–40 | y = 0.04061x + 0.00078 | 0.9992 |
Salicylic acid | 0.8–40 | y = 0.09231x - 0.00041 | 0.9995 |
Jasmonic acid | 0.8–40 | y = 0.00238x - 0.00010 | 0.9985 |
Methyl salicylate | 8–400 | y = 0.00157x - 0.00014 | 0.9987 |