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Antioxidant activity, total phenolics, flavonoids and antinutritional characteristics of germinated foxtail millet (Setaria italica)

机译:发芽的谷子(Setaria italica)的抗氧化活性,总酚,类黄酮和抗营养特性

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A central composite rotatable design was applied to analyse the effects of independent variables [soaking time (ST), germination time (Gt) and temperature (GT)] on responses [antioxidant activity (AoxA), total phenolic contents (TPC) and flavonoid contents (TFC)]. The results indicated that with increase in ST, Gt and GT, AoxA, TPC (free/bound) and TFC (free/bound) of foxtail millet increased significantly. The best combination of germination bioprocess variables for producing optimized germinated foxtail millet flour with the highest AoxA (90.5%), TPC (45.67?mg gallic acid equivalent (GAE)/100?g sample) and TFC (30.52–43.96?mg RU/g sample) were found with soaking time of 15.84?min having germination temperature of 25°C. The optimized germinated foxtail millet flour was nutritionally rich as it produced higher protein (14.32?g/100?g), dietary fibre (27.42?g/100?g), calcium (25.62?mg/kg), iron (54.23?mg/kg), magnesium (107.16?mg/kg) and sodium (69.45?mg/kg) per kg as compared to un-germinated foxtail millet flour.
机译:应用中央复合可旋转设计分析独立变量[浸泡时间(ST),发芽时间(Gt)和温度(GT)]对响应[抗氧化剂活性(AoxA),总酚含量(TPC)和类黄酮含量]的影响(TFC)]。结果表明,随着ST,Gt和GT的增加,谷子的AoxA,TPC(游离/结合)和TFC(游离/结合)显着增加。最佳的发芽生物过程变量组合,以生产具有最高AoxA(90.5%),TPC(45.67?mg没食子酸当量(GAE)/ 100?g样品)和TFC(30.52–43.96?mg RU /样品的浸泡时间为15.84?min,发芽温度为25°C。经过优化的发芽谷尾小米粉营养丰富,因为它可以产生更高的蛋白质(14.32微克/ 100微克),膳食纤维(27.42微克/ 100微克),钙(25.62微克/千克),铁(54.23微克)。 / kg),镁(107.16?mg / kg)和钠(69.45?mg / kg)/千克(与未发芽的谷子粉相比)。

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