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Vineyard solid wastes are regarded as an alternative source of renewable raw materials for the production of hemicellulosic sugars and their conversion into furfural. In this work, a liquid hemicellulosic fraction was extracted from vineyard wastes in order to produce a higher furfural yield. A simple ultra-high-performance liquid chromatography with diode array detection (UHPLC-DAD) method was used for determining furfural from vineyard wastes. The UHPLC-DAD method was validated for the determination of furfural from vineyard wastes. The described method shows good linearity with a coefficient of determination higher than 0.998. The limits of detection (LOD) and quantification (LOQ) were 0.3 µg mL −1  and 1.0 µg mL −1 , respectively. The recoveries determined by the spiking solutions varied between 95.1 and 100.8%. The relative expanded uncertainty of the method was evaluated based on a bottom-up approach and was 13.5%.

analytical letters

Determination of Furfural from Vineyard Waste by Ultra-High Performance Liquid Chromatography – Diode Array Detection (UHPLC-DAD) with Method Validation and Uncertainty Evaluation