Journal of Natural Fibers,
Journal Year:
2024,
Volume and Issue:
21(1)
Published: Feb. 21, 2024
In
this
study,
ultra-high
performance
liquid
chromatography-tandem
mass
spectrometry
was
used
to
isolate
and
identify
terpenoids
in
three
types
of
pineapple
fibers
(pineapple
leaf
fiber,
stem
root
fiber).
The
research
results
showed
that
the
positive
negative
ion
modes,
9
26
terpenoid
compounds
were
identified
from
fibers,
totaling
35
species
12
categories,
among
which
triterpene
saponins
had
largest
number
species.
Pineapple
fiber
contains
highest
total
content,
followed
by
fiber.
OPLS-DA
model,
VIP
S-plot
methods
revealed
differences
fibers.
there
9,
8
7
significantly
different
respectively.
Functional
such
as
ivy
saponin,
dehydroabietic
acid,
myrcene
ginsenoside
are
distributed
parts
with
varying
degrees
enrichment.
This
study
provides
a
basis
for
differentiated
utilization
value-added
use
leaves,
stems
roots.
Utilization
scientific
basis.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(21), P. 14793 - 14806
Published: Jan. 1, 2024
Therapeutic
deep
eutectic
solvents
(THEDSs)
are
the
best
exemplification
of
green
alternative
formulations
active
pharmaceutical
ingredients
(APIs)
that
offer
superlative
properties
APIs.
Molecules,
Journal Year:
2022,
Volume and Issue:
27(19), P. 6646 - 6646
Published: Oct. 6, 2022
Avocado
peels
are
the
main
agro-industrial
residue
generated
during
avocado
processing,
being
a
rich
source
of
bioactive
compounds
like
phenolic
compounds.
The
growing
demand
for
more
sustainable
processes
requires
development
new
and
effective
methods
extracting
from
industrial
waste.
Deep
eutectic
solvents
(DESs)
alternative
to
toxic
organic
due
their
non-toxicity
biocompatibility.
In
this
study,
five
selected
DESs
were
applied
extraction
peels.
efficiency
was
evaluated
by
measuring
total
phenolics
flavonoids
content.
best
results
obtained
with
choline
chloride-acetic
acid
-lactic
(92.03
±
2.11
mg
GAE/g
DAP
in
TPC
186.01
3.27
RE/g
DAP);
however,
all
tested
show
better
than
ethanol.
All
NADES
extracts
have
high
antioxidant
activity
(FRAP:
72.5–121.1
TE/g;
TAC:
90.0–126.1
AAE/g).
synthesized
DES
had
against
bacteria
(Staphylococcus
aureus,
Streptococcus
dysgalactiae,
Escherichia
coli
Pseudomonas
putida),
prepared
highest
antibacterial
microorganisms.
These
results,
coupled
non-toxic,
biodegradable,
low-cost,
environmentally
friendly
characteristics
DESs,
provide
strong
evidence
that
represent
an
recovery
wastes.
Ultrasonics Sonochemistry,
Journal Year:
2024,
Volume and Issue:
111, P. 107094 - 107094
Published: Oct. 5, 2024
This
study
focuses
on
the
extraction
of
bioactive
compounds
from
date
seeds
using
five
polyol-based
deep
eutectic
solvents
(P-DESs)
in
combination
with
hybrid
green
techniques,
specifically
microwave-assisted
(MAE),
homogenization-assisted
(HAE),
and
ultrasound-assisted
(UAE).
The
optimization
these
techniques
was
achieved
P-DESs
showing
highest
efficiency
for
extracting
seed
response
surface
methodology
(RSM)
central
composite
design
(CCD)
approach.
optimized
conditions
three
were
further
applied
form
involving
six
binary
ternary
methods,
to
assess
percentage
increase
polyphenolics.
Among
tested,
choline
chloride:
ethylene
glycol
(ChCl:Eg)
exhibited
recovering
phenolic
compounds.
Using
ChCl:Eg
as
P-DES,
efficacy
found
MAE,
followed
by
>
HAE
UAE.
In
addition,
all
showed
higher
efficiencies
than
single
methods.
Notably,
combining
UAE
MAE
(UMAE),
(HMAE)
resulted
significantly
recovery
compounds,
52
%
49
increases
total
content,
respectively,
compared
techniques.
lowest
MIC
MBC
P-DES
based
extract
recorded
against
tested
bacterial
strains
40
20
respectively.
Furthermore,
used
extend
shelf
life
Oreochromis
niloticus
stored
at
4
°C
10
days.
results
indicated
that
polyphenolic
effectively
inhibited
microbial
growth
during
refrigerated
storage,
count
(TBC)
treated
samples
within
recommended
acceptability
limit
<
6
log
CFU/g
untreated
samples,
which
a
CFU/g.
demonstrated
sequential
enhance
intensify
more
any
technique.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(19), P. 6927 - 6927
Published: Oct. 4, 2023
The
current
work
was
aimed
at
the
development
of
a
topical
drug
delivery
system
for
azelaic
acid
(AzA)
acne
treatment.
systems
tested
this
purpose
were
deep
eutectic
(DESs)
prepared
from
choline
chloride
(CC),
malonic
(MA),
and
PEG
400.
Three
CC
to
MA
eight
different
MA:
CC:
PEG400
ratios
tested.
physical
appearance
formulations
ranged
solid
liquid
semisolid.
Only
those
that
showed
suitable
viscosity
considered
further
investigations.
A
mixture
made
1:1:6
(MCP
116)
best
characteristics
in
terms
viscosity,
contact
angle,
spreadability,
partition
coefficient,
vitro
diffusion.
Moreover,
MCP116
close
rheological
properties
commercially
available
market
lead
treatment
product
(Skinorin®).
In
addition,
formula
synergistic
antibacterial
activity
between
moiety
DES
AzA.
diffusion
studies
using
polyamide
membranes
demonstrated
superior
over
pure
commercial
product.
No
signs
skin
irritation
edema
observed
when
applied
rabbit
skin.
Additionally,
found
be,
physically
chemically,
highly
stable
4,
25,
40
°C
one-month
stability
study.
Chemosphere,
Journal Year:
2023,
Volume and Issue:
338, P. 139480 - 139480
Published: July 13, 2023
In
this
work,
an
evaluation
of
the
occurrence
fifteen
phthalates,
four
metabolites
and
one
adipate
in
different
groundwater,
seawater
wastewater
samples
has
been
carried
out
due
to
their
relevance
on
human
health
as
they
act
endocrine
disruptors.
For
purpose,
a
sustainable,
fast
easy-handling
vortex-assisted
liquid-liquid
microextraction
method
using
natural
hydrophobic
deep
eutectic
solvent
based
menthol
carvacrol
extraction
agent,
combined
with
ultra-high
performance
liquid
chromatography-mass
spectrometry
technique,
developed
applied
for
first
time.
An
optimization
was
performed
evaluate
important
factors
affecting
performance,
analytical
validation
terms
matrix
effect,
linearity,
efficiency,
sensitivity.
Recovery
values
were
obtained
range
72-119%
all
analytes
(except
monoethyl
phthalate:
61.1-72.3%)
relative
standard
deviation
lower
than
17%.
Limits
quantification
found
between
0.91
8.09
μg
L-1.
As
result
assessment
31
environmental
water
samples,
phthalate,
diethyl
dibutyl
phthalate
bis
(2-ethylhexyl)
detected
quantified
at
concentrations
2.59-21.17
L-1
6
diallyl
butyl
benzyl
dipentyl
dicyclohexyl
dihexyl
20
more,
showing
exposition
population
these
hazardous
substances.
Gels,
Journal Year:
2023,
Volume and Issue:
9(8), P. 661 - 661
Published: Aug. 17, 2023
Millions
of
tons
wool
waste
are
produced
yearly
by
textile
industries,
which
may
become
a
serious
environmental
hazard
in
the
near
future.
Given
this
concern,
it
is
crucial
to
explore
strategies
reduce
amount
generated
worldwide
and
adopt
more
sustainable
practices
for
dissolving
regenerating
keratin
(WK)
from
waste.
Most
traditional
methods
involve
use
expensive,
toxic,
harmful,
poorly
biodegradable
compounds.
To
overcome
these
limitations
facilitate
reuse
through
cascade
valorization
strategy,
researchers
have
started
testing
deep
eutectic
solvents
(DES)
as
eco-friendly
alternative
WK
dissolution
regeneration.
In
study,
potential
two
different
DES
mixtures,
Choline
chloride
(ChCl):
Urea
L-Cysteine
(L-Cys):
Lactic
acid
(LA),
was
explored
Subsequently,
gels
obtained
based
on
DES-WK
were
blended
with
polyvinyl
alcohol
(PVA)
ratios
produce
nanofibers
using
electrospinning
technique.
The
PVA/L-Cys:
LA
proved
be
most
effective
mixture
fabricating
gel-based
nanofibers.
Furthermore,
their
antioxidant
antimicrobial
abilities
evaluated,
thus
confirming
bioactivity.
results
revealed
that
approach
valorizing
offers
unique
avenue
development
functional
materials
applications
various
biomedical
industrial
fields.
