Research Article

Rapid Determination of Sotolon in Fortified Wines Using a Miniaturized Liquid-Liquid Extraction Followed by LC-MS/MS Analysis

Table 1

Performance results obtained for the proposed miniaturized liquid-liquid extraction method.

ParameterResult

Linear regressionASTL = 46437 [STL] + 43722
Linear concentration range (μg/L)1.0–2000
R20.9999
LOD (μg/L)0.011
LOQ (μg/L)0.037

Repeatability (% RSD)3.4–6.4
Reproducibility (% RSD)5.4–10.0

Recovery (%)
FW + STL 250 μg/L92
FW + STL 1000 μg/L98

ASTL, sotolon peak area; [STL], sotolon concentration in μg/L; LOD, limit of detection; LOQ, limit of quantification; FW, fortified wine; STL, sotolon.