Natural Product Research,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 13
Published: Nov. 27, 2023
There
has
been
a
growing
emphasis
on
developing
extraction
methods
that
are
not
only
efficient
but
also
environmentally
friendly
and
sustainable.
One
promising
avenue
is
the
exploration
of
deep
eutectic
solvents
(DESs)
as
neoteric
media.
This
study
aims
to
investigate
potential
DESs
media
for
phenolics-rich
flower
clove
extracts.
Two
were
synthesised
by
mixing
choline
chloride
with
glycerol
lactic
acid
at
molar
ratio
1:2.
The
thermal
profiles
mixture
analysed
using
differential
scanning
calorimetry,
viscosity
density
measured
different
temperatures.
phenolic
compounds
quantitatively
characterised
all
extractants
high-performance
liquid
chromatography.
total
content
antioxidant
activities
extracts
determined.
results
showed
significantly
improved
from
clove,
especially
case
compounds,
considerably
enhanced
activity
use
offers
green,
method
extracting
value-added
products
natural
sources.
ARO-The Scientific Journal of Koya University,
Journal Year:
2024,
Volume and Issue:
12(2), P. 254 - 263
Published: Dec. 29, 2024
This
research
demonstrates
that
deep
eutectic
solvents
(DESs)
can
eliminate
sulfur
compounds,
which
are
corrosive
and
carcinogenic
species,
from
model
petroleum
products
through
liquid-liquid
extraction.
Several
monoprotic
acids,
including
formic
acid
acetic
acid,
used
to
make
DESs,
along
with
1-butyl-3-methylimidazolium
chloride
(BmimCl)
as
a
hydrogen
bond
acceptor.
These
DESs
for
the
first
time
remove
compounds
(thiophene
dibenzothiophene)
an
alkane
hydrocarbon
(n-octane),
is
instead
of
crude
oil
latter
contains
variety
nitrogen
hydrocarbons,
oxygen.
The
optimal
parameters
removal
discussed,
extraction
temperature,
reaction
time,
mass
ratio
DES
hydrocarbon,
whilst
regeneration
also
considered.
H2O2
iron
oxide
(Fe3O4)
nanoparticle
(NP)
catalysts
enhance
process.
characterization
methods,
scanning
electron
microscopy,
Fourier
transform
infrared,
energy
dispersive
X-ray,
transmission
determine
structural
characteristics
Fe3O4
NPs.
results
show
acid-based
DES,
able
more
than
86%
molecules
when
2:1,
at
30°C
within
60
min.
provides
important
opportunity
advance
our
understanding
role
in
removing
particles
industrial
processes.
Natural Product Research,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 13
Published: Nov. 27, 2023
There
has
been
a
growing
emphasis
on
developing
extraction
methods
that
are
not
only
efficient
but
also
environmentally
friendly
and
sustainable.
One
promising
avenue
is
the
exploration
of
deep
eutectic
solvents
(DESs)
as
neoteric
media.
This
study
aims
to
investigate
potential
DESs
media
for
phenolics-rich
flower
clove
extracts.
Two
were
synthesised
by
mixing
choline
chloride
with
glycerol
lactic
acid
at
molar
ratio
1:2.
The
thermal
profiles
mixture
analysed
using
differential
scanning
calorimetry,
viscosity
density
measured
different
temperatures.
phenolic
compounds
quantitatively
characterised
all
extractants
high-performance
liquid
chromatography.
total
content
antioxidant
activities
extracts
determined.
results
showed
significantly
improved
from
clove,
especially
case
compounds,
considerably
enhanced
activity
use
offers
green,
method
extracting
value-added
products
natural
sources.
