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Solid-phase extraction (SPE) pretreatment method was used to determine the patulin in apple juice concentrate. Undiluted apple juice concentrate was treated by C 18 -SPE cartridge and analyzed by high-performance liquid chromatography (HPLC) using UV detector. The recovery rates and the coefficient variations were 96.4–114.1% and 1.62–4.82%, the minimum detectable level is 0.005mg/kg. The...
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