Table 3. Linearity of retinol, β-carotene and tocopherols analyses

Analytes Linear equation (y=ax+b) Correlation of linearity (R2) LOD1) LOQ2)
Retinol (μg/100 g) y = 95,272x − 1,943.1 1.000 0.380 0.996
β-Carotene (μg/100 g) y = 46,919x − 1,519.7 1.000 0.602 1.402
α-Tocopherol (mg/100 g) y = 1,891,611.3x - 86,100.8 0.999 0.0002 0.0006
β-Tocopherol (mg/100 g) y = 1,722,982.4 + 3,950.4 1.000 0.0001 0.0003
γ-Tocopherol (mg/100 g) y = 2,177,608.9 + 74,121.9 1.000 0.0001 0.0003
δ-Tocopherol (mg/100 g) y = 2,015,335.0 - 70,800.6 0.999 0.0001 0.0002
Limit of detection.
Limit of quantification.