Paper Title:
Pressurized Microwave-Assisted Extraction of Total Isoflavones from Pueraria Lobata
  Abstract

The single factor experiment method was used to investigate the effects of microwave power(P), extraction pressure(p), alcohol mass concentration(x%), ratio of liquid to solid (l/s), pre-immersed time(τ) and particle size(d) on extraction efficiency of total isoflavones from pueraria lobata by pressurized microwave-assisted extraction technique. Based on the above the Design-Expert 6.0 software was used to carry out a response surface test with three factors (ratio of liquid to solid, pressure and alcohol mass concentration) to optimize the technical conditions and establish the mathematical model. The results show that the optimum technical conditions are: P =700w, p =132.61kPa, x =51.2%, l / s =10.45,τ=2h,d = 80 meshes. Under these conditions the extraction efficiency reaches 98.75% which is 23.5% higher than that by microwave-assisted extraction at atmospheric pressure. The established model (second multivariate regression equation) is consistent with the experiment and can predict the extraction efficiency of the total isoflavones under different technical conditions.

  Info
Periodical
Advanced Materials Research (Volumes 236-238)
Edited by
Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao
Pages
2651-2654
DOI
10.4028/www.scientific.net/AMR.236-238.2651
Citation
B. Q. Jiang, S. W. Lan, Y. D. Liu, J. N. Zeng, "Pressurized Microwave-Assisted Extraction of Total Isoflavones from Pueraria Lobata", Advanced Materials Research, Vols. 236-238, pp. 2651-2654, 2011
Online since
May 2011
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Wei Guang Zhang, Ji Hong Liang, You Jie Cai
Chapter 9: Extraction and Separation
Abstract:Determination of quercetin from Linifolius Conyza by microwave-assisted extraction and absorption spectroscopy was reported. The effects of...
1817
Authors: Zhong Jie Ren, Yu Yang, Ya Qin Xu, Xing Guo Li, Ze Yuan Yu
Chapter 9: Extraction and Separation
Abstract:Ultrasonic-assisted extraction (UAE) method was applied for polysaccharides from blackcurrant and response surface methodology (RSM) was used...
1821
Authors: Yong Zuo, Yang Li, Chang Qing Zhao, Hui Xie, Feng Qi, Li Ping Liu, Jing Zhang
Chapter 17: Plant Protection and Biotechnology
Abstract:The method for extraction of mulberry anthocyanin with assistance of microwave was studied systematically and the extraction condition was...
3556