Oleanolic acid: extraction, characterization and biological activity

JM Castellano, S Ramos-Romero, JS Perona - Nutrients, 2022 - mdpi.com
Oleanolic acid, a pentacyclic triterpenoid ubiquitously present in the plant kingdom, is
receiving outstanding attention from the scientific community due to its biological activity …

Ionic-liquid-mediated extraction and separation processes for bioactive compounds: past, present, and future trends

SPM Ventura, FA e Silva, MV Quental… - Chemical …, 2017 - ACS Publications
Ionic liquids (ILs) have been proposed as promising media for the extraction and separation
of bioactive compounds from the most diverse origins. This critical review offers a …

Menthol-based eutectic mixtures: hydrophobic low viscosity solvents

BD Ribeiro, C Florindo, LC Iff, MAZ Coelho… - ACS Sustainable …, 2015 - ACS Publications
Inspired by one of the major problems in the pharmaceutical industry, we advantageously
used the formation of eutectic mixtures to synthesize new solvents. The aim of this work is to …

Aqueous biphasic systems: a boost brought about by using ionic liquids

MG Freire, AFM Claudio, JMM Araujo… - Chemical Society …, 2012 - pubs.rsc.org
During the past decade, ionic-liquid-based Aqueous Biphasic Systems (ABS) have been the
focus of a significant amount of research. Based on a compilation and analysis of the data …

Ionic liquids and deep eutectic solvents in natural products research: mixtures of solids as extraction solvents

Y Dai, J Van Spronsen, GJ Witkamp… - Journal of natural …, 2013 - ACS Publications
Mixtures of solid chemicals may become liquid under certain conditions. These liquids are
characterized by the formation of strong ionic (ionic liquids) or hydrogen bonds (deep …

Systematic study of the thermophysical properties of imidazolium-based ionic liquids with cyano-functionalized anions

CMSS Neves, KA Kurnia, JAP Coutinho… - The Journal of …, 2013 - ACS Publications
In the past few years, ionic liquids (ILs) with cyano-functionalized anions have shown to be
improved candidates for electrochemical and separation applications. Nevertheless, only …

Selective enzymes separation from the fermentation broth of Yarrowia lipolytica using aqueous two-phase system based on quaternary ammonium compounds

FS Buarque, A Carniel, BD Ribeiro… - Separation and …, 2023 - Elsevier
Aqueous two-phase systems (ATPS) are considered efficient and sustainable downstream
processing techniques in extracting and separating enzymes. In this work, we evaluated the …

The magic of aqueous solutions of ionic liquids: ionic liquids as a powerful class of catanionic hydrotropes

AFM Cláudio, MC Neves, K Shimizu, JNC Lopes… - Green …, 2015 - pubs.rsc.org
Hydrotropes are compounds able to enhance the solubility of hydrophobic substances in
aqueous media and therefore are widely used in the formulation of drugs, cleaning and …

Aqueous two-phase systems based on ionic liquids and deep eutectic solvents as a tool for the recovery of non-protein bioactive compounds—a review

FS Buarque, GV Gautério, MAZ Coelho, AC Lemes… - Processes, 2022 - mdpi.com
Aqueous two-phase systems (ATPS) based on ionic liquids (IL) and deep eutectic solvents
(DES) are ecofriendly choices and can be used to selectively separate compounds of …

Role of the Hofmeister series in the formation of ionic-liquid-based aqueous biphasic systems

S Shahriari, CMSS Neves, MG Freire… - The Journal of …, 2012 - ACS Publications
Among the numerous and interesting features of ionic liquids is their ability to form aqueous
biphasic systems (ABSs) when combined with inorganic or organic salts in aqueous media …