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An analytical method was developed and validated for separation, detection and quantification of patulin in apple cider by high-performance liquid chromatography (HPLC-DAD). Extraction and clean-up of patulin from apple cider are achieved on AFFINIMIP SPE PATULIN cartridge (3mL/100mg). Patulin was separated on a C18 Hypersil GOLD column (150 mm  4 mm, 5 mm) coupled to a Hypersil Gold guard column (10  4.0 mm, 5 mm) using mobile phase consisting of water:acetonitrile (95:5, v/v) and detected at 276 nm. The method has a good sensitivity (LOD = 2.63 mg/mL and LOQ = 8.45mg/mL) and a good precision (RDS (r) = 0.32...0.91% for injection repeatability; RSD (r) = 1.05.2.98% for analysis repeatability intra-day; RSD (R) = 1.35.3.24% for intermediate precision; RSD (R) = 1.64.3.86% for intra-laboratory reproducibility). The method was applied by analyzing samples of apple cider purchased from commerce. In case of 80% of the analyzed samples, patulin was not detected, and for the rest of them concentration of patulin was [ LOQ.

Internal Validation of Rapid and Performance Method for Patulin Determination in Apple Cider by High-Performance Liquid Chromatography