Table 1.

Calibration data, limit of quantitation (LOQ), limit of detection (LOD) of the analyte determined by GC–MS

Analyte	Regression equation	r	Linear range (μg/mL)	LOD (μg/mL)	LOQ (μg/mL)
AnGal	y = 8.350 × 107x + 1.510 × 105	0.9939	0.5–250.0	0.13	0.43
Gal	y = 6.963 × 107x − 2.320 × 105	0.9952	0.5–250.0	0.15	0.52

AnGal 3,6-anhydro-l-galactose, Gal galactose, LOD limit of detection, LOQ limit of quantification, r correlation coefficient