超声协同电场提取黄花菜多糖的动力学研究

陆海勤 李毅花 李冬梅 杨日福 杭方学 张丽超

doi:10.3969/j.issn.1000-565X.2017.09.010

华南理工大学学报(自然科学版) >

2017 , Vol. 45 >Issue 9: 67 - 73,87

DOI: https://doi.org/10.3969/j.issn.1000-565X.2017.09.010

食品科学与技术

超声协同电场提取黄花菜多糖的动力学研究

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1．广西大学轻工与食品工程学院，广西南宁 530004; 2．华南理工大学物理与光电学院，广东广州 510640; 3．华南理工大学食品科学与工程学院，广东广州 510640

陆海勤( 1973-) ，女，博士，副教授，主要从事声化学化工技术研究． E-mail: haiqin6@163． com

收稿日期: 2016-11-24

修回日期: 2017-05-08

网络出版日期: 2017-08-30

基金资助

国家自然科学基金资助项目( 11464002) ; 广东省教育部产学研结合项目( 2013B090600034) ; 中央高校基本科研业务费专项资金资助项目( x2qsD2154180)

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A Kinetic Model of Extracting Polysaccharides from Hemerocallis citrina by Combining Rectangular High Pulsed Electrical Field with Ultrasound

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1.Light industry and Food Engineering College,Guangxi University,Nanning 530004,Guangxi,China; 2.School of Physics and Optoelectronics,South China University of Technology,Guangzhou 510640,Guangdong,China; 3.School of Food Science anol Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China

陆海勤( 1973-) ，女，博士，副教授，主要从事声化学化工技术研究． E-mail: haiqin6@163． com

Received date: 2016-11-24

Revised date: 2017-05-08

Online published: 2017-08-30

Supported by

Supported by the National Natural Science Foundation of China( 11464002) and the Research Projects of the Education Ministry and Guangdong Province of China( 2013B090600034)

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摘要

以Fick 第二扩散定律作为理论基础，建立了超声协同矩形高压脉冲电场提取黄花菜多糖的动力学模型．在不同超声功率和电场电压条件下测定黄花菜多糖提取率随时
间的变化，对模型进行了验证，并求得动力学参数．结果表明，该模型能够较好地反映提取过程中有效扩散系数与超声功率和电压之间的函数关系，实验值与预测值之间的相关性较为明显( r²= 0． 9286) ．动力学模型的建立和参数的求解有利于超声协同矩形高压脉冲电场提取工艺的合理设计和进一步的改进．

关键词： 黄花菜多糖; 超声场; 高压矩形脉冲电场; 提取; 动力学模型

本文引用格式

陆海勤李毅花李冬梅杨日福杭方学张丽超 . 超声协同电场提取黄花菜多糖的动力学研究[J]. 华南理工大学学报(自然科学版), 2017 , 45(9) : 67 -73,87 . DOI: 10.3969/j.issn.1000-565X.2017.09.010

Abstract

On the basis of the Fick's second law,a kinetic model was constructed to describe the extraction of Hemerocallis citrina polysaccharides in a rectangular high pulsed electrical field with ultrasound.Then,the changes of the extraction yield with time at different ultrasound powers and electric voltages were measured and as a result,the constructed kinetic model was verified.Finally,the corresponding kinetic parameters were obtained.The results show that the constructed kinetic model can well reflect the effective diffusion coefficient and the function relationship between the ultrasound power and the electric voltage in the extraction process,and the correlation between the experimental values and the predicted ones is comparatively obvious ( r2 = 0. 9286) .The construction of the kinetic model and the solution of the parameters help to design and improve the high pulsed electric field extraction technology with ultrasound.

Key words： Hemerocallis citrina polysaccharides; ultrasound field; rectangular high pulsed electrical field; extraction; kinetic model

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