International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(2), P. 1113 - 1113
Published: Jan. 6, 2023
Tocopherols
are
natural
bioactive
compounds
with
several
health
benefits.
This
study
evaluated
the
effect
of
different
ratios
α-
and
δ-
tocopherol
homologs
to
protect
sunflower
oil
(SO)
olive
pomace
(OPO)
against
oxidation.
A
synergistic
was
recorded
when
two
tocopherols
were
combined
at
a
ratio
7:1
(α-T/δ-T).
The
samples
exposed
accelerated
oxidation
conditions
using
Rancimat
(90
°C
airflow
15
L/h
for
24
h)
protection
from
compared
that
butylated
hydroxytoluene
(BHT).
Assessment
stability
examined
well-known
parameters
such
as
peroxide
value
(PV),
thiobarbituric
acid
reactive
substances
(TBARS),
p-anisidine
(p-AV),
conjugated
dienes
(CD)
trienes
(CT),
total
(Totox)
value,
which
all
significantly
reduced
added
α-T/δ-T.
Primary
oxidative
measured
according
PV
only
in
SO
(6.11%).
Off-flavor
via
TBARS
assay
by
above
20%,
while
p-AV
also
reduced.
CDvalue
correlated
samples,
mixture
more
effective
than
BHT
CTvalue.
Total
values
OPO
6.02%
12.62%,
respectively.
These
provided
remarkable
correlation
(R2
>
0.95)
incubation
time.
Moreover,
not
reducing
but
lowering
degradation
rate
tocopherols.
Protective
effects
mainly
observed
resistant
processes.
even
fatty
analysis,
where
better
results
BHT-spiked
samples.
Thus,
it
is
suggested
mixtures
might
be
used
preservative
food
industry
restrain
lipid
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(9), P. 7898 - 7898
Published: April 26, 2023
Metabolic
syndrome
is
a
cluster
of
conditions
associated
with
the
risk
diabetes
mellitus
type
2
and
cardiovascular
diseases
(CVDs).
closely
related
to
obesity.
Increased
adiposity
promotes
inflammation
oxidative
stress,
which
are
precursors
various
complications
involving
metabolic
components,
namely
insulin
resistance,
hypertension,
hyperlipidemia.
An
increasing
number
studies
confirm
importance
stress
chronic
in
etiology
syndrome.
However,
few
have
reviewed
mechanisms
underlying
role
contributing
In
this
review,
we
highlight
by
reactive
oxygen
species
(ROS)
increase
mitochondrial
dysfunction,
protein
damage,
lipid
peroxidation,
impair
antioxidant
function
Biomarkers
can
be
used
disease
diagnosis
evaluation
severity.
Antioxidants,
Journal Year:
2023,
Volume and Issue:
12(10), P. 1812 - 1812
Published: Sept. 29, 2023
Gestational
diabetes
mellitus
(GDM)
is
one
of
the
most
common
pregnancy
complications.
It
related
to
several
gestational
and
fetal
adverse
outcomes.
Moreover,
women
with
GDM
their
infants
have
a
high
risk
developing
type
2
in
future.
The
pathogenesis
not
completely
understood;
nevertheless,
two
factors
that
contribute
its
development
are
oxidative
stress
inflammation.
Oxidative
inflammation
related;
reactive
oxygen
species
(ROS)
production
can
activate
inflammatory
cells
enhance
mediators.
Inflammation,
turn,
leads
an
increased
ROS
release,
causing
vicious
circle
ensue.
Inflammatory
responses
be
achieved
via
activation
NF-κB
signaling
pathway.
Herein,
we
review
English
literature
regarding
evaluated
simultaneously
same
population,
attempting
identify
mechanisms
through
which
these
GDM.
Furthermore,
modulation
by
different
therapies
used
cell
models
included
review.
Probiotics
nutrient
supplementations
been
shown
reduce
biomarkers
vitro
Frontiers in Endocrinology,
Journal Year:
2023,
Volume and Issue:
14
Published: April 3, 2023
Obesity
has
been
associated
with
oxidative
stress.
Obese
patients
are
at
increased
risk
for
diabetic
cognitive
dysfunction,
indicating
a
pathological
link
between
obesity,
stress,
and
dysfunction.
can
induce
the
biological
process
of
stress
by
disrupting
adipose
microenvironment
(adipocytes,
macrophages),
mediating
low-grade
chronic
inflammation,
mitochondrial
dysfunction
(mitochondrial
division,
fusion).
Furthermore,
be
implicated
in
insulin
resistance,
inflammation
neural
tissues,
lipid
metabolism
disorders,
affecting
diabetics.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(15), P. 12378 - 12378
Published: Aug. 3, 2023
Diabetes
mellitus
(DM)
belongs
to
the
category
of
socially
significant
diseases
with
epidemic
rates
increases
in
prevalence.
Diabetic
nephropathy
(DN)
is
a
specific
kind
kidney
damage
that
occurs
40%
patients
DM
and
considered
serious
complication
DM.
Most
modern
methods
for
treatments
aimed
at
slowing
down
progression
DN
have
side
effects
do
not
produce
unambiguous
positive
results
long
term.
This
fact
has
encouraged
researchers
search
additional
or
alternative
treatment
methods.
Hyperglycemia
negative
effect
on
renal
structures
due
number
factors,
including
activation
polyol
hexosamine
glucose
metabolism
pathways,
renin-angiotensin-aldosterone
sympathetic
nervous
systems,
accumulation
advanced
glycation
end
products
insulin
resistance
endothelial
dysfunction
tissues.
The
above
mechanisms
cause
development
oxidative
stress
(OS)
reactions
mitochondrial
dysfunction,
which
turn
contribute
DN.
Modern
antioxidant
therapies
involve
various
phytochemicals
(food
antioxidants,
resveratrol,
curcumin,
alpha-lipoic
acid
preparations,
etc.),
are
widely
used
only
diabetes
but
also
other
systemic
diseases.
It
been
suggested
therapeutic
approaches
target
source
reactive
oxygen
species
may
certain
advantages
terms
nephroprotection
from
OS.
review
describes
significance
studies
OS
biomarkers
pathogenesis
analyzes
reducing
intensity
prevention
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(6), P. 3284 - 3330
Published: March 18, 2024
It
is
well-known
that
aqueous
dispersions
of
phospholipids
spontaneously
assemble
into
bilayer
structures.These
structures
have
numerous
applications
across
chemistry
and
materials
science
form
the
fundamental
structural
unit
biological
membrane.The
particular
environment
lipid
bilayer,
with
a
water-poor
low
dielectric
core
surrounded
by
more
polar
better
hydrated
interfacial
region,
gives
membrane
biophysical
physicochemical
properties
presents
unique
for
chemical
reactions
to
occur.Many
different
types
molecule
spanning
range
sizes,
from
dissolved
gases
through
small
organics
proteins,
are
able
interact
membranes
promote
changes
lipids
subsequently
affect
bilayer.This
Review
describes
reactivity
exhibited
in
their
form,
an
emphasis
on
conditions
where
well
bilayers.Key
topics
include
following:
lytic
glyceryl
esters,
including
hydrolysis,
aminolysis,
transesterification;
oxidation
alkenes
unsaturated
fatty
acids
sterols,
autoxidation
singlet
oxygen;
headgroups,
particularly
reactive
carbonyl
species;
E/Z
isomerization
alkenes.The
consequences
activity
also
discussed.
Cell Death Discovery,
Journal Year:
2025,
Volume and Issue:
11(1)
Published: Jan. 24, 2025
Abstract
Free
radicals,
characterized
by
the
presence
of
unpaired
electrons,
are
highly
reactive
species
that
play
a
significant
role
in
human
health.
These
molecules
can
be
generated
through
various
endogenous
processes,
such
as
mitochondrial
respiration
and
immune
cell
activation,
well
exogenous
sources,
including
radiation,
pollution,
smoking.
While
free
radicals
essential
for
certain
physiological
signaling
defense,
their
overproduction
disrupt
delicate
balance
between
oxidants
antioxidants,
leading
to
oxidative
stress.
Oxidative
stress
results
damage
critical
biomolecules
like
DNA,
proteins,
lipids,
contributing
pathogenesis
diseases.
Chronic
conditions
cancer,
cardiovascular
diseases,
neurodegenerative
disorders,
inflammatory
diseases
have
been
strongly
associated
with
harmful
effects
radicals.
This
review
provides
comprehensive
overview
characteristics
types
mechanisms
formation,
biological
impacts.
Additionally,
we
explore
natural
compounds
extracts
studied
antioxidant
properties,
offering
potential
therapeutic
avenues
managing
radical-induced
damage.
Future
research
directions
also
discussed
advance
our
understanding
treatment
radical-associated
Biology,
Journal Year:
2025,
Volume and Issue:
14(1), P. 87 - 87
Published: Jan. 17, 2025
Oxidative
stress,
a
critical
factor
affecting
the
health
and
productivity
of
aquatic
organisms,
arises
from
imbalance
between
reactive
oxygen
species
(ROS)
production
antioxidant
defenses.
In
aquaculture,
natural
antioxidants
have
gained
increasing
attention
as
sustainable
feed
additives
to
mitigate
oxidative
damage,
enhance
immune
responses,
improve
overall
growth
performance.
This
review
provides
comprehensive
synthesis
antioxidative
mechanisms
key
antioxidants,
including
carotenoids,
polysaccharides,
vitamins,
polyphenols,
flavonoids.
By
neutralizing
ROS
modulating
cellular
signaling
pathways
such
Nrf2/ARE,
these
compounds
offer
significant
protective
effects
against
damage
in
species.
The
manuscript
consolidates
recent
advancements
research,
highlighting
their
practical
applications
formulation
role
promoting
sustainability
aquaculture.
aims
provide
an
integrative
framework
for
understanding
antioxidants’
potential,
guiding
future
research
implementation
aquaculture
systems.
Antioxidants,
Journal Year:
2022,
Volume and Issue:
11(3), P. 584 - 584
Published: March 18, 2022
Currently,
there
is
growing
interest
in
screening
and
quantifying
antioxidants
from
biological
samples
the
quest
for
natural
effective
to
combat
free
radical-related
pathological
complications.
Antioxidants
play
an
important
role
human
health
provide
a
defense
against
many
diseases.
Due
valuable
dietary
of
these
compounds,
analysis
determination
their
amount
food
particular
importance.
In
recent
years,
attempts
have
been
made
simple,
fast,
economical
analytical
approaches
on-site
detection
antioxidant
activity
antioxidants.
this
regard,
electrochemical
sensors
biosensors
are
considered
promising
tools
research
due
high
sensitivity,
fast
response
time,
ease
miniaturization;
thus,
they
used
variety
fields,
including
analysis,
drug
screening,
toxicity
research.
Herein,
we
review
advances
antioxidants,
underlying
principles,
emphasizing
advantages,
along
with
limitations
regarding
ability
discriminate
between
specific
or
total
content.
work,
both
direct
indirect
methods
detecting
analyzed
detail.
This
aims
prove
how
represent
reliable
alternatives
conventional
analysis.