为研究不同浸提条件对欧李果露酒品质的影响,明确其最佳浸提条件,以期提升欧李果的利用价值和新产品的开发。以欧李果实和清香型白酒为原料,选取料液比、乙醇体积分数、浸提时间、浸提温度4个因素,采用单因素结合响应面试验研究各因素及其交互作用对欧李果露酒总酚含量和感官评分的影响。结果表明,各因素对欧李果露酒风味和品质影响较大,其中料液比4∶6,乙醇体积分数28%,浸提时间13 d,浸提温度22 ℃为最佳浸提条件,所得欧李果露酒乙醇体积分数为16.78%,总酸5.2 g/L,总糖含量101.2 g/L,干浸出物1.2 g/L,总酚含量2 072.55 mg/L,总酯含量1.19 g/L,感官评分83.25分。酒体澄清透明,颜色呈宝石红色,香气浓郁,同时保留了欧李果独特的风味特征。
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