Abstract
SummaryHerein, an ultra‐high performance liquid chromatography coupled to a diode array detector (UHPLC‐DAD) based quantification method has been developed for the simultaneous determination of 21 bioactive phenolic compounds present abundantly in food products. The developed method was validated in terms of parameters such as linearity, detection and quantification limits, intra‐day and inter‐day precision and recovery showing ideal results. Further, the developed method was applied for the quantitative analysis of phenolics in commercially procured dietary samples such as spices, green tea, black tea and dark chocolate. The major phenolics quantified in dry weight of different samples were epigallocatechin gallate (425.5 mg/10 g), epicatechin gallate (111.9 mg/10 g) in green tea; gallocatechin (286.8 mg/10 g) in dark chocolate; and naringin (93.9 mg/10 g) in star anise etc. Overall, the UHPLC‐DAD‐based method was found to be reliable, simple and specific for the estimation of phenolics in different targeted food samples.
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