207
Olive pomace
Phenolic compounds
Choline chloride/citric acid (1:2), choline chloride/lactic
acid (1:2), choline chloride/maltose (1:2), and choline
chloride/glycerol (1:2)
Choline chloridebased organic acids
natural deep eutectic
solvent (citric acid
and lactic acid) with
the addition of 20%
v/v water
Chanioti
and Tzia
(2018)
Scutellaria
baicalensis
Georgi
(Chinese herbal
medicine)
Baicalin
Tetrabutylammonium chloride/decanoic acid (2:1, 1:1, and
1:2), tetraoctylammonium bromide/decanoic acid (1:2),
methyltrioctylammonium chloride/decanoic acid (2:1, 1:1,
and 1:2), and methyltrioctylammonium bromide/decanoic
acid (1:2 and 1:1)
Tetrabutylammonium
chloride/decanoic acid
(2:1) in 30% vol/vol
water. It increased the
baicalin solubility
(240 and 10 times in
comparison with
water and 70%
ethanol, respectively).
This was mainly
related to the polarity
and the physical
properties of the
solvent.
Wang et al.
(2018)
DES
deep eutectic solvent, HBA
hydrogen bond acceptor, HBD
hydrogen bond donor
6 Methods for Extraction of Bioactive Compounds from Plant and Animal Matter…