Molecules,
Год журнала:
2024,
Номер
29(5), С. 1137 - 1137
Опубликована: Март 3, 2024
The
leaves
of
Agave
angustifolia
Haw.
are
the
main
agro-waste
generated
by
mezcal
industry
and
becoming
an
important
source
bioactive
compounds,
such
as
phenolic
that
could
be
used
in
food
pharmaceutical
industries.
Therefore,
extraction
identification
these
phytochemicals
would
revalorize
leaf
by-products.
Herein,
maceration
supercritical
carbon
dioxide
(scCO2)
extractions
were
optimized
to
maximize
flavonoid
contents
antioxidant
capacity
vegetal
extracts
A.
In
process,
optimal
condition
was
a
water–ethanol
mixture
(63:37%
v/v),
which
yielded
total
content
27.92
±
0.90
mg
EAG/g
DL
12.85
0.53
µg
QE/g
DL,
respectively,
32.67
0.91
(ABTS
assay),
17.30
0.36
(DPPH
13.92
0.78
(FRAP
assay)
µM
TE/g
DL.
Using
extraction,
conditions
for
polyphenol
recovery
60
°C,
320
bar,
10%
v/v.
It
also
observed
lower
proportions
cosolvent
decreased
more
than
pressure
temperature.
both
extracts,
29
glycosylated
derivatives
identified
using
LC-ESI-QTof/MS.
addition,
another
eight
novel
compounds
showing
efficiency
recovering
new
derivatives.
Oxidative Medicine and Cellular Longevity,
Год журнала:
2022,
Номер
2022, С. 1 - 21
Опубликована: Сен. 6, 2022
Plant
preparations
have
been
used
to
treat
various
diseases
and
discussed
for
centuries.
Research
has
advanced
discover
identify
the
plant
components
with
beneficial
effects
reveal
their
underlying
mechanisms.
Flavonoids
are
phytoconstituents
anti-inflammatory,
antimutagenic,
anticarcinogenic,
antimicrobial
properties.
Herein,
we
listed
contextualized
aspects
of
protective
flavonols
quercetin,
isoquercetin,
kaempferol,
myricetin
flavones
luteolin,
apigenin,
3',4'-dihydroxyflavone,
baicalein,
scutellarein,
lucenin-2,
vicenin-2,
diosmetin,
nobiletin,
tangeretin,
5-O-methyl-scutellarein.
We
presented
structural
characteristics
subclasses,
importance,
occurrence,
food
sources.
The
bioactive
compounds
present
in
our
diet,
such
as
fruits
vegetables,
may
affect
health
disease
state.
Therefore,
role
these
inflammation,
oxidative
mechanisms,
bacterial
metabolism;
moreover,
synergism
antibiotics
better
outcomes.
Indiscriminate
use
allows
emergence
multidrug-resistant
strains;
thus,
be
adjuvant
treatment
infectious
caused
by
resistant
opportunistic
bacteria
via
direct
indirect
also
focused
on
reported
mechanisms
intracellular
targets
flavones,
which
support
therapeutic
inflammatory
diseases.
Foods,
Год журнала:
2024,
Номер
13(4), С. 628 - 628
Опубликована: Фев. 19, 2024
Flavonoid
compounds
have
a
variety
of
biological
activities
and
play
an
essential
role
in
preventing
the
occurrence
metabolic
diseases.
However,
many
structurally
similar
flavonoids
are
present
foods
usually
low
concentrations,
which
increases
difficulty
their
isolation
identification.
Therefore,
developing
optimizing
effective
extraction
detection
methods
for
extracting
from
food
is
essential.
In
this
review,
we
review
structure,
classification,
chemical
properties
flavonoids.
The
research
progress
on
recent
years
comprehensively
summarized,
as
application
mathematical
models
experimental
conditions.
results
provide
theoretical
basis
technical
support
detecting
analyzing
high-purity
foods.
Heliyon,
Год журнала:
2024,
Номер
10(7), С. e28894 - e28894
Опубликована: Март 27, 2024
The
bioaccessibility
and
bioavailability
of
phenolic
compounds
(PC)
influence
directly
their
role
in
disease
prevention/control.Studies
have
evaluated
this
ability
through
complex
plant
food
matrices,
which
may
reflect
more
a
synergistic
effect
the
matrix
than
PCs,
hindering
individual
exploitation
nutraceutical
or
pharmaceutical
applications.In
present
study
ten
pure
PCs
representing
major
classes
were
for
intestinal
absorption
an
vitro
simulated
gastrointestinal
digestion
(SGD).This
is
first
concerning
evaluation
phloretin,
phloroglucinol,
naringin,
naringenin
daidzein,
while
no
SGD
has
been
performed
before
other
considered
here.PCs
analyzed
ultra-high-performance
liquid
chromatography
coupled
with
diode-array
detection
tandem
mass
spectrometry
(UHPLC-DAD-MS
n
).Most
remained
along
tract,
was
general
higher
50%,
except
quercetin,
epigallocatechin
gallate,
ellagic
acid.All
highly
absorbed
intestine,
phloretin
showing
lowest
percentage
at
about
82%.The
findings
provide
new
knowledge
on
different
classes.
Molecules,
Год журнала:
2023,
Номер
28(4), С. 1807 - 1807
Опубликована: Фев. 14, 2023
The
profile
of
phenolic
compounds
changes
during
the
growth
a
plant
and
this
change
affects
its
antioxidant
potential.
aim
research
has
been
to
find
stage
flax
with
highest
capacity,
determine
responsible
for
such
capacity.
Flax
was
harvested
in
six
stages:
from
stem
extension
mature
seeds.
were
identified
using
LC-TOF-MS
quantified
an
extract
fresh
matter
(FM)
each
stage.
radical
scavenging
activity
against
ABTS•+
DPPH•,
ferric-reducing
power
(FRAP),
β-carotene-linoleic
acid
emulsion
system
determined.
Mono-
di-C-glycosyl
flavones
found
be
most
abundant
phenolics
aerial
parts
flax,
which
also
showed
content
isoorientin
(210-538
µg/g
FM).
Coniferin,
derivative,
hydroxycinnamic
derivatives
detected.
richer
flavone
C-glycosides
seed
ripening
(1105-1413
FM)
than
at
(557
Most
individual
C-glycoside
contents
extracts
decreased
when
increasingly
older
plants
considered;
however,
did
not
significantly
steam
stages.
antiradical
FRAP
higher
flowering,
brown
capsule,
stages,
mainly
due
presence
C-glycosides.
oxidation
instead
inhibited
more
effectively
by
capsule
Coniferin
derivative
involved
activity.
flowering
could
valuable
source
use
as
nutraceuticals
components
functional
foods.
Journal of Food Science,
Год журнала:
2023,
Номер
88(9), С. 3737 - 3757
Опубликована: Авг. 2, 2023
Abstract
Seaweeds,
serving
as
valuable
natural
sources
of
phenolic
compounds
(PCs),
offer
various
health
benefits
like
antioxidant,
anti‐inflammatory
properties,
and
potential
anticancer
effects.
The
efficient
extraction
PCs
from
seaweed
is
essential
to
harness
their
further
applications.
This
study
compares
the
effectiveness
different
solvents
(ethanol,
methanol,
water,
acetone,
ethyl
acetate)
for
extracting
four
species:
Ascophyllum
sp.,
Fucus
Ecklonia
Sargassum
sp.
Among
them,
ethanol
extract
had
highest
content
total
phenolics
(25.33
±
1.45
mg
GAE/g)
demonstrated
potent
scavenging
activity
against
2,2‐diphenyl‐1‐picrylhydrazyl
radical
(33.65
0.03
TE/g)
phosphomolybdate
reduction
(52.98
0.47
TE/g).
flavonoids
(0.40
0.02
QE/g)
in
its
methanol
extract,
whereas
acetate
contained
condensed
tannins
(8.09
0.12
CE/g).
relatively
strong
antioxidant
activity,
with
methanolic
extracts
exhibiting
a
ability
2,2′‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulfonic
acid)
(54.41
0.24
water
showing
ferric‐reducing
power
36.24
0.06
TE/g.
Likewise,
liquid
chromatography–mass
spectrometry
identified
61
individual
PCs,
including
17
acids,
32
flavonoids,
12
other
polyphenols.
particularly
exhibited
most
diverse
composition.
These
findings
underscore
importance
selecting
appropriate
based
on
specific
species
desired
compounds,
providing
guidance
pharmaceutical,
nutraceutical,
cosmetic
industries.
Practical
Application
which
are
secondary
metabolites
present
terrestrial
plants
marine
organisms,
have
garnered
considerable
attention
due
advantages
biological
Using
organic/inorganic
during
process
makes
it
possible
selectively
isolate
types
species.
distinct
polarity
solubility
properties
each
solvent
enable
facilitating
comprehensive
assessment
composition
found
samples
guiding
industrial
production.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Янв. 11, 2024
Abstract
A
supercritical
CO
2
method
was
optimized
to
recover
naringenin-rich
extract
from
Mexican
oregano
(
Lippia
graveolens
),
a
flavanone
with
high
antioxidant
and
anti-inflammatory
activity.
The
effect
of
the
extraction
parameters
like
pressure,
temperature,
co-solvent
on
naringenin
concentration
evaluated.
We
used
response
surface
methodology
optimize
oregano;
chemical
composition
by
UPLC-MS
simulated
gastrointestinal
digestion
its
capacity
total
phenolic
content
were
also
optimum
conditions
58.4
°C
12.46%
(ethanol),
pressure
166
bar,
obtaining
46.59
mg/g
extract.
Also,
extracts
yielded
quantities
cirsimaritin,
quercetin,
phloridzin,
apigenin,
luteolin.
results
indicated
that
obtained
at
had
higher
content,
TEAC
ORAC,
flavonoid
compared
methanolic
extract,
reduced
all
these
values.
Journal of Agricultural and Food Chemistry,
Год журнала:
2023,
Номер
71(41), С. 14890 - 14910
Опубликована: Окт. 6, 2023
Flavonoids
and
their
glycosides
are
abundant
in
many
plant-based
foods.
The
(de)glycosylation
of
flavonoids
by
retaining
glycoside
hydrolases
has
recently
attracted
much
interest
basic
applied
research,
including
the
possibility
altering
glycosylation
pattern
flavonoids.
Research
this
area
is
driven
significant
differences
physicochemical,
organoleptic,
bioactive
properties
between
flavonoid
aglycones
glycosylated
counterparts.
While
present
nature
at
low
levels,
some
occur
substantial
quantities,
making
them
readily
available
low-cost
glycosyl
donors
for
transglycosylations.
Retaining
glycosidases
can
be
used
to
synthesize
natural
novel
glycosides,
which
serve
as
standards
bioactivity
experiments
analyses,
using
donors.
Engineered
also
prove
valuable
synthesis
chemically
synthesized
activated
This
review
outlines
bioactivities
highlights
applications
context
acting
substrates,
products,
or
deglycosylation
transglycosylation
reactions.
Journal of Separation Science,
Год журнала:
2024,
Номер
47(9-10)
Опубликована: Май 1, 2024
Saccharides
and
biocompounds
as
saccharide
(sugar)
complexes
have
various
roles
biological
functions
in
living
organisms
due
to
modifications
via
nucleophilic
substitution,
polymerization,
complex
formation
reactions.
Mostly,
mono‐,
di‐,
oligo‐,
polysaccharides
are
stabilized
inactive
glycosides,
which
formed
metabolic
pathways.
Natural
saccharides
important
food
environmental
monitoring.
Glycosides
with
functionalities
significant
clinical
medical
research.
often
studied
the
chromatographic
methods
of
hydrophilic
interaction
liquid
chromatography
anion
exchange
chromatograpy,
but
also
capillary
electrophoresis
mass
spectrometry
their
on‐line
coupling
systems.
Sample
preparation
is
identification
compounds.
The
cases
discussed
here
focus
on
bioscience,
clinical,
applications.