<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Multiphase extraction (MPE) was applied as a developed, convenient and efficient method in separation of ephedrine from <italic>Pinellia ternata</italic>. Firstly, in order to increase the adsorption efficiency, bionic liquid-modified polymer was created. Comparing the effects of all sorbents under variables conditions, the highest amount of 5.8 mg/g can be adsorbed on dual imidazole ionic liquid modified polymer (Im-Im-Poly) in methanol/water (70:30, v/v) solution at 25°C within 30.0 min. Then the Im-Im-Poly was applied in MPE, after 7 times repetition of extraction, around 1.0 mg/g of ephedrine from <italic>Pinellia ternata</italic> was detected. After washing by water, ethanol and methanol, and elution by methanol/acetic acid (99.0:1.0, v/v), ephedrine was successfully separated.</p></abstract>

Multiphase extraction (MPE) was applied as a developed, convenient and efficient method in separation of ephedrine from Pinellia ternata. Firstly, in order to increase the adsorption efficiency, bionic liquid-modified polymer was created. Comparing the effects of all sorbents under variables conditions, the highest amount of 5.8 mg/g can be adsorbed on dual imidazole ionic liquid modified polymer (Im-Im-Poly) in methanol/water (70:30, v/v) solution at 25°C within 30.0 min. Then the Im-Im-Poly was applied in MPE, after 7 times repetition of extraction, around 1.0 mg/g of ephedrine from Pinellia ternata was detected. After washing by water, ethanol and methanol, and elution by methanol/acetic acid (99.0:1.0, v/v), ephedrine was successfully separated.

Multiphase extraction of ephedrine from <italic>Pinellia ternata</italic> using bionic liquid-modified polymer

College of Chemistry and Environmental Engineering

Department of Chemistry and Chemical Engineering

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Multiphase extraction of ephedrine from  using bionic liquid-modified polymer

Multiphase extraction (MPE) was applied as a developed, convenient and efficient method in separation of ephedrine from Pinellia ternata. Firstly, in order to...

Multiphase extraction of ephedrine from Pinellia ternata using bionic liquid-modified polymer

Published Online: Dec 31, 2019

Page range: 13 - 19

DOI: https://doi.org/10.2478/pjct-2019-0033

Keywords
multiphase extraction, bionic liquid, polymer, adsorption, ephedrine,

© 2019 Luwei Fang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Multiphase extraction of ephedrine from Pinellia ternata using bionic liquid-modified polymer

Published Online: Dec 31, 2019

Page range: 13 - 19

DOI: https://doi.org/10.2478/pjct-2019-0033

Keywordsmultiphase extraction, bionic liquid, polymer, adsorption, ephedrine,

© 2019 Luwei Fang et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
multiphase extraction, bionic liquid, polymer, adsorption, ephedrine,