林艳云, 赖聪颖. 正交试验优化红枣姜撞奶加工工艺[J]. 福建农业科技, 2023, 54(2): 66-72. DOI: 10.13651/j.cnki.fjnykj.2023.02.011
    引用本文: 林艳云, 赖聪颖. 正交试验优化红枣姜撞奶加工工艺[J]. 福建农业科技, 2023, 54(2): 66-72. DOI: 10.13651/j.cnki.fjnykj.2023.02.011
    LIN Yan-yun, LAI Cong-ying. Optimization of the Processing Technology of Red Jujube Ginger Milk by Orthogonal Experiment[J]. Fujian Agricultural Science and Technology, 2023, 54(2): 66-72. DOI: 10.13651/j.cnki.fjnykj.2023.02.011
    Citation: LIN Yan-yun, LAI Cong-ying. Optimization of the Processing Technology of Red Jujube Ginger Milk by Orthogonal Experiment[J]. Fujian Agricultural Science and Technology, 2023, 54(2): 66-72. DOI: 10.13651/j.cnki.fjnykj.2023.02.011

    正交试验优化红枣姜撞奶加工工艺

    Optimization of the Processing Technology of Red Jujube Ginger Milk by Orthogonal Experiment

    • 摘要: 为开发兼具红枣、生姜味的新型姜撞奶,以红枣、生姜汁、牛奶为主要原料,添加适量红糖、奶粉,以感官评分及凝固时间为指标,通过单因素及正交试验优化红枣姜撞奶加工工艺。结果表明:红枣姜撞奶的优化配方为姜与水的比例为1∶2,姜汁添加量4%,红糖添加量6%,红枣添加量6%,奶粉添加量8%,冲浆温度75℃,此工艺感官评定分数为84.9分,凝固时间为(3.4±0.2)min,持水力为(10.95±2.36)%,酸度为(23.91±0.48)°T,菌落总数为3.0×102 CFU·mL-1, DPPH自由基清除率为(60.29±4.02)%。

       

      Abstract: In order to develop the new type of ginger milk with red jujube and ginger flavor, the red jujube, ginger juice and milk were used as the main raw materials, and the appropriate amount of brown sugar and milk powder was added. The processing technology of red jujube ginger milk was optimized by using the single factor and orthogonal experiments with the sensory score and setting time as the indexes. The results showed that the optimal formula of red jujube ginger milk was as follows: the ratio of ginger to water was 1∶2, the adding amount of ginger juice was 4%, the adding amount of brown sugar was 6%, the adding amount of red jujube was 6%, the adding amount of milk powder was 8%, and the slushing temperature was 75℃. Under this condition, the sensory evaluation score was 84.9 points, the setting time was (3.4±0.2) min, the water retention was (10.95±2.36)%, the acidity was (23.91±0.48) °T, the total number of colonies was 3.0×102 CFU·mL-1, the DPPH free radical scavenging rate was (60.29±4.02) %.

       

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