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投稿时间:2016-09-06
投稿时间:2016-09-06
中文摘要: 采用超声波法提取金丝小枣枣树皮中的总黄酮。通过单因素试验研究了料液比、乙醇体积分数、提取时间、 超声功率和超声温度等因素对总黄酮提取率的影响,并进行了四因素三水平正交试验,确定了枣树皮总黄酮的最佳 提取条件。结果表明:最佳提取条件为料液比 1 ∶ 15(g/mL),乙醇体积分数 50 %,提取时间 50 min,超声功率 342 W,提 取温度 70 ℃,提取两次。此条件下总黄酮的平均提取率为 5.53 %。
Abstract:Total flavonoids from jujube peel was extracted by ultrasonic method. Experiments of single factor in- cluding solid-liquid ratio, ethanol concentration, extraction time, ultrasonic power and temperature were done to find the influence of various factors on the extraction rate. Based on single factor experiments, four factor and three level orthogonal test was designed. The results showed that optimum extraction conditions of total flavonoids from jujube peel were solid-liquid ratio 1 ∶ 15 (g/mL), 50 % ethanol concentration, extraction time 50 min, power of 342 W, temperature 70 ℃, two step extraction. The average extraction rate of total flavonoids was 5.53 %.
keywords: ultrasound jujube peel total flavonoids orthogonal test
文章编号:201711012 中图分类号: 文献标志码:A
基金项目:天津市科技支撑项目(11ZCKFNC01600)
作者 | 单位 |
王英超1,金红2,*,王燕霞1,张平平3 | 1. 天津农学院 基础科学学院,天津 300384;2.天津农学院 农学与资源环境学院,天津 300384;3. 天津农学院 食品科学与生物工程学院,天津 300384 |
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