Optimization of Extraction Technology of Narciclasine from Hymenocallis Littoralis Based on Response Surface Method
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摘要:
目的 通过响应面中心设计,获得水鬼蕉中水仙环素的最优提取工艺 。方法 选用昆明产水鬼蕉,在单因素实验基础上,选取温度、时间以及液料比3个因素结合Box-Behnken试验建立数学模型,分析考察3个因素对水仙环素提取率的影响程度,确定最适提取条件。 结果 二次多项式回归模型模型的F 值为10.99,P值为0.0023,小于0.05,表明该模型具有统计学意义。失拟项P 值为0.7568,表明模型显著且适当。最佳提取工艺为提取温度90.97 ℃,取时间4.13 h,液料比5.09 mL/g 。水仙环素在此条件下的提取预测值、验证值分别为3.42×10-4%、3.38×10-4%。 结论 基于响应面中心设计优选的提取工艺稳定、可行、预测性良好,可用于水鬼蕉中活性成分的提取,为水鬼蕉资源开发和利用奠定基础。 Abstract:Objective To obtain the optimal extraction process of narciclasine from Hymenocallis littoralis by response surface center design. Methods Based on the single factor experiment, temperature, time and liquid-to-solid ratio were selected to establish a mathematical model combined with the Box-Behnken test. The influence degree of the three factors on the extraction rate of narciclasine was analyzed and investigated to determine the optimal extraction conditions. Results The optimum extraction conditions were as follows: extraction temperature 90.97 ℃, extraction time 4.13 h, liquid-solid ratio 5.09 mL∶1 g. The predicted and verified values of narciclasine extraction were 3.42×10-4% and 3.38×10-4%, respectively. Conclusion The optimized extraction process based on the response surface method is stable, feasible, and predictable, which could be used for the extraction of active components from Hymenocallis littoralis, and has laid the groundwork for the development and utilization of Hymenocallis littoralis. -
Key words:
- Hymenocallis littoralis /
- Narciclasine /
- Response surface method
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表 1 因素水平
Table 1. The level of factors
水平因素 A温度(℃) B时间(h) C液料比(mL/g) −1 80 3 4∶1 0 90 4 5∶1 1 100 5 6∶1 表 2 高效液相色谱梯度洗脱条件
Table 2. The gradient elution condition of HPLC
时间(min) A:纯水(%) B:乙腈溶液浓度(%) 0.01 98 2 60.00 2 98 表 3 3种不同提取方法峰面积
Table 3. The peak area of three different extraction methods
提取方法 分组 峰面积 均值 回流提取法 A1 124934 119261 A2 128763 A3 104086 超声提取法 B1 28985 26901 B2 26875 B3 24845 冷浸法 C1 60833
53069C2 33853 C3 64521 表 4 响应面实验设计及结果
Table 4. Experimental design and results of response surface method
试验号因素
实际提取率
(10−4%)
预测提取率
(10−4%)A(℃) B(h) C(mL/g) 1 90(0) 4(0) 5(0) 3.34 3.40 2 90(0) 4(0) 5(0) 3.70 3.40 3 80(−1) 4(0) 6(1) 2.49 2.47 4 90(0) 3(−1) 4(0) 2.17 2.05 5 90(0) 4(0) 5(0) 3.33 3.40 6 90(0) 3(−1) 6(1) 2.34 2.32 7 90(0) 5(1) 6(1) 2.42 2.54 8 100(1) 4(0) 4(−1) 2.37 2.39 9 90(0) 5(1) 4(−1) 2.36 2.38 10 80(−1) 4(0) 4(−1) 2.26 2.34 11 80(−1) 5(1) 5(0) 2.68 2.59 12 100(1) 4(0) 6(1) 2.76 2.68 13 100(1) 3(−1) 5(0) 2.36 2.45 14 100(1) 5(1) 5(0) 2.76 2.72 15 80(−1) 3(−1) 5(0) 2.28 2.32 16 90(0) 4(0) 5(0) 3.11 3.40 17 90(0) 4(0) 5(0) 3.52 3.40 表 5 二次多项式回归模型的方差分析结果
Table 5. Anova result of quadratic polynomial regression model
项目 平方和 自由度 均方 F P 模型 3.63 9 0.40 10.99 0.0023** A 0.036 1 0.036 0.99 0.3524 B 0.14 1 0.14 3.90 0.0890 C 0.090 1 0.090 2.46 0.1609 AB 0.000 1 0.000 0.000 1.0000 AC 6.400E-03 1 6.400E-03 0.17 0.6889 BC 3.025E-04 1 3.025E-04 0.082 0.7825 A2 0.56 1 0.56 15.37 0.0057** B2 1.11 1 1.11 30.25 0.0009** C2 1.34 1 1.34 36.42 0.0005** 残差 0.26 7 0.037 失拟项 0.060 3 0.060 0.41 0.7568 纯误差 0.20 4 0.20 总和 3.89 16 **P<0.01。A:提取温度;B:提取时间;C:提取液料比。 -
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