Optimization of microwave-assisted steam distillation extraction of Cinnamomum longepaniculatum essential oil by response surface methodology

被引：0
|
作者：
Zhang Y. [1 ]
Meng Y. [2 ]
Zhang L. [1 ]
Zu Y. [1 ]
机构：
[1] College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Heilongjiang, Harbin
[2] College of Forest Engineering and Technology, Northeast Forestry University, Heilongjiang, Harbin
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2020年 / 39卷 / S2期
关键词：
Cinnamomum longepaniculatum essential oil; experimental validation; extraction; microwave; optimization; response surface method;
D O I：
10.16085/j.issn.1000-6613.2020-0593
中图分类号：
学科分类号：
摘要：
In order to solve the problems of long time, low efficiency, high energy consumption and high cost of traditional extraction process of Cinnamomum longepaniculatum essential oil, following the concept of green extraction, the microwave-assisted steam distillation method was adopted to extract the essential oil of C. longepaniculatum and the optimal extraction process was optimized. A quadratic regression model was established, variance analysis and diagnosis were carried out based on single factor test and response surface methodology. The effect of particle size, microwave extraction time and microwave extraction power on the yield of C. longepaniculatum essential oil was investigated to determine the optimal extraction process, and the theoretical results were verified by experiments. The results showed that microwave-assisted steam distillation method (10min) had the advantages of shorter extraction time, higher efficiency and more energy saving than the traditional steam distillation method (2h) when the yield of essential oil was similar. The quadratic polynomial regression model was very significant (P<0.01). Lack of fit was not significant (P>0.05), and the coefficient of determination was R2= 0.989, and the analysis indicate that the model fits the data well combined with the diagnosis chart. The optimal extraction process of C. longepaniculatum essential oil by the microwave-assisted steam distillation method was as follows: particle size of material was 10 meshes, microwave extraction time was 11 min, microwave extraction power was 630W. Under this condition, the yield of essential oil was 4.479%, which was basically consistent with the experimental verification results (4.442%+0.16%), and the reliability of the quadratic regression model was verified. Compared with the traditional process, this technology has the advantages of shorter extraction time, higher efficiency, low energy consumption, lower cost, it is more green, safe and easy to realize industrialization, it is expected to improve the application value of C. longepaniculatum essential oil in various fields such as daily chemistry, beauty, medicine and so on. © 2020, Chemical Industry Press Co., Ltd.. All rights reserved.
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页码：291 / 299
页数：8
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