A new hollow fiber liquid/solid phase microextraction using Al2O3 nanoparticles as the adsorbent for extraction of ginsenosides from an oral liquid

A new hollow fiber liquid/solid phase microextraction using Al2O3 nanoparticles as the adsorbent... A new hollow fiber-liquid/solid phase microextraction for extraction of ginsenosides from a Chinese compound formula was established using Al2O3 nanoparticles as the adsorbent. The enhancement technique involved dispersing Al2O3 particles in n-butanol to fill the pores and lumen of a polyether sulfone membrane fiber. The optimum extraction conditions were as follows: n-butanol as the acceptor phase; total of 11 hollow fiber bars; extraction time of 50min; methanol as the desorption solvent. The limits of detection for ginsenosides Rg1, Re, and Rb1 were 0.066, 0.306, and 0.400 g mL1, respectively. The extraction recovery ranged from 88.61% to 94.29% with a relative standard deviation (RSD) < 6.30%. The proposed method was successfully applied to determine ginsenosides in a Yangshenguiling oral liquid and acceptable results were obtained. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Analytical Methods Royal Society of Chemistry

A new hollow fiber liquid/solid phase microextraction using Al2O3 nanoparticles as the adsorbent for extraction of ginsenosides from an oral liquid

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Publisher
The Royal Society of Chemistry
Copyright
This journal is © The Royal Society of Chemistry
ISSN
1759-9660
eISSN
1759-9679
D.O.I.
10.1039/c8ay00566d
Publisher site
See Article on Publisher Site

Abstract

A new hollow fiber-liquid/solid phase microextraction for extraction of ginsenosides from a Chinese compound formula was established using Al2O3 nanoparticles as the adsorbent. The enhancement technique involved dispersing Al2O3 particles in n-butanol to fill the pores and lumen of a polyether sulfone membrane fiber. The optimum extraction conditions were as follows: n-butanol as the acceptor phase; total of 11 hollow fiber bars; extraction time of 50min; methanol as the desorption solvent. The limits of detection for ginsenosides Rg1, Re, and Rb1 were 0.066, 0.306, and 0.400 g mL1, respectively. The extraction recovery ranged from 88.61% to 94.29% with a relative standard deviation (RSD) < 6.30%. The proposed method was successfully applied to determine ginsenosides in a Yangshenguiling oral liquid and acceptable results were obtained.

Journal

Analytical MethodsRoyal Society of Chemistry

Published: May 17, 2018

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