Table 5. Method validation of cholesterol analyses with GC-FID

Cholesterol
Linearity Calibration range 0.3125-200.00 μg/mL
Calibration curve1) y = 10.2x − 0.0061
Coefficient regression (R2) 0.9997
Sensitivity LOD2) 0.26 μg/mL of solvent (2.73 mg/100 g of tenderloin)
LOQ3) 1.17 μg/mL of solvent (3.82 mg/100 g of tenderloin)
Recovery rate (%) RSD (%)
Accuracy Duhangjeongsal
+0.8 μg/mL 98.02±2.19 2.24
+0.4 μg/mL 98.53±3.15 3.19
+0.2 μg/mL 102.10±3.02 2.96
+0.1 μg/mL 103.03±1.80 1.75
y=ax+b, y and x indicate peak area (mV) and concentration (μg/mL), respectively.
LOD, limit of detection.
LOQ, limit of quantification.
RSD, relative standard deviation.