Polyphenolic Screening and the Antioxidant Activity of Grape Pomace Extracts of Romanian White and Red Grape Varieties
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(9), P. 1133 - 1133
Published: Sept. 19, 2024
Due
to
its
valuable
organic
compounds,
grape
pomace
represents
a
resource
in
the
creation
of
value-added
food
products.
In
this
study,
we
investigated
hydroalcoholic
extracts
obtained
by
ultrasonication
from
two
white
and
red
Romanian
varieties.
The
phytochemical
parameters,
i.e.,
polyphenolics,
flavonoids,
anthocyanins,
condensed
tannins
content,
antioxidant
activity,
were
determined
UV-Vis
spectrometry.
statistical
analysis
revealed
that
Tămâioasă
Românească
Negru
de
Drăgășani,
respectively,
Fetească
Albă
Neagră
are
similar
each
other.
Significant
differences
among
pomaces
different
varieties
noticed
terms
their
phenolic
contents.
(Fetească
Drăgășani)
richest
total
phenolics
respectively.
activity
showed
Drăgășani
had
higher
value
due
high
amounts
polyphenols,
followed
Neagră,
Albă,
Românească.
Higher
levels
bioactive
polyphenolic
substances,
catechin,
myricetin,
resveratrol,
vanillic
acid,
found
using
high-performance
liquid
chromatography.
These
results
emphasize
potential
variety
be
further
exploited
for
nutritional
functional
applications.
Language: Английский
From Field to Waste Valorization: A Preliminary Study Exploring the Impact of the Wine Supply Chain on the Phenolic Profile of Three Sardinian Pomace Extracts
Foods,
Journal Year:
2024,
Volume and Issue:
13(9), P. 1414 - 1414
Published: May 4, 2024
The
winemaking
process
generates
an
annual
global
production
of
about
10
million
tons
waste
consisting
stalks,
skin,
and
seeds.
possible
reutilization
wine
pomace
is
strictly
linked
to
its
chemical
composition.
In
this
preliminary
study,
three
different
Sardinian
white
grapes
(Malvasia,
Vermentino
Nasco)
grown
in
the
same
area
were
evaluated
through
a
whole
chain.
To
reduce
environmental
impact,
all
treated
following
integrated
practice
(IPP)
strategies.
adopted
agronomic
methods
main
physico-chemical
parameters
fresh
fruits
musts
evaluated.
A
fully
qualitative
quantitative
characterization
phenolic
fraction
extracts
was
performed
by
HPLC-DAD
after
post-winemaking
process.
Water
ethanol
utilized
as
green
solvents
extraction
Additionally,
entire
carried
out
within
winery
facilities
energy
loss
road
transportation.
findings
demonstrated
that
large
amounts
beneficial
polyphenols
are
present
extracts,
type
grape
used,
practices,
method
influence
quantity
quality
extracts.
polyphenol
concentrations
(28,391.5
±
7.0
mg/kg)
Malvasia
(11,316.3
6.5
found
be
highest
lowest,
respectively.
Language: Английский
Discrimination of Romanian Wines Based on Phenolic Composition and Identification of Potential Phenolic Biomarkers for Wine Authenticity and Traceability
Beverages,
Journal Year:
2025,
Volume and Issue:
11(2), P. 44 - 44
Published: March 25, 2025
Demonstrating
the
authenticity
and
traceability
of
quality
wines
based
on
parameters
that
reflect
their
composition
provenance
contributes
to
protecting
wine
increasing
consumer
confidence
in
moderate
consumption,
which
is
associated
with
numerous
health-promoting
properties.
A
wine’s
phenolic
fingerprint
increasingly
used
assess
its
authenticity,
even
though
influenced
by
genetic
environmental
factors,
as
well
vineyard
management
enological
practices,
storage
conditions.
This
study
presents
a
comprehensive
analysis
bioactive
characteristics
(total
polyphenols—TPs,
total
flavonoids—TFs,
antioxidant
activity—AA,
anthocyanins—TAs)
spectrophotometric
compound
profile
(by
UHPLC-HRMS
analysis)
19
white
21
red
Protected
Designation
Origin
(PDO)
from
four
vineyards
located
wine-growing
region
Oltenia,
Romania.
Multivariate
statistical
analysis,
specifically
principal
component
heat
map
applied
analytical
data,
enables
discrimination
grape
variety
terroir,
across
consecutive
vintages
(2019–2022).
The
profiles
obtained
under
standardized
winemaking
conditions
depend
climatic
data
specific
each
harvest
year
(temperature,
precipitation,
duration
sun
exposure
during
berry
phenological
stages,
ripening).
biomarkers
wines,
such
epicatechin,
catechin,
gallic,
caffeic,
t-ferulic
acids,
t-resveratrol
hesperidin,
represent
warmer
sunnier
years
lower
observed
2021
year.
Additionally,
our
results
contribute
identification
for
geographical
varietal
discrimination,
promotion
high-quality
produced
renowned
Language: Английский
Beyond the Bottle: Exploring Health-Promoting Compounds in Wine and Wine-Related Products—Extraction, Detection, Quantification, Aroma Properties, and Terroir Effects
Foods,
Journal Year:
2023,
Volume and Issue:
12(23), P. 4277 - 4277
Published: Nov. 27, 2023
Health-promoting
compounds
in
wine
and
wine-related
products
are
important
due
to
their
potential
benefits
human
health.
Through
an
extensive
literature
review,
this
study
explores
the
presence
of
these
products,
examining
relationship
with
terroir
impact
on
aromatic
flavor
properties
that
perceived
orally:
sunlight
exposure,
rainfall
patterns,
soil
composition
grapevines’
synthesis
accumulation
health-promoting
compounds.
Enzymes,
pH,
oral
microbiome
crucial
sensory
evaluation
perception
health
promotion.
Moreover,
analysis
relies
considerations
such
as
specific
target
compound,
selectivity,
sensitivity,
complexity
matrix.
Language: Английский
Automatic Chemical Profiling of Wine by Proton Nuclear Magnetic Resonance Spectroscopy
Brian L. Lee,
No information about this author
Manoj Kumar Rout,
No information about this author
Ying Dong
No information about this author
et al.
ACS Food Science & Technology,
Journal Year:
2024,
Volume and Issue:
4(8), P. 1937 - 1949
Published: July 22, 2024
We
report
the
development
of
MagMet-W
(magnetic
resonance
for
metabolomics
wine),
a
software
program
that
can
automatically
determine
chemical
composition
wine
via
Language: Английский
Phytochemical Screening and Antioxidant Activities of White and Red Wines from Different Varieties and Wine Regions in Romania
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(5), P. 564 - 564
Published: May 8, 2025
The
characteristics
of
the
variety
from
which
wine
is
made,
geographical
area
production,
year
and
technology
winemaking
are
parameters
with
most
influence
on
total
content
polyphenols,
polyphenolic
profile,
antioxidant
activity
wine.
For
this
reason,
a
screen
can
help
establish
authenticity
wines.
study,
50
samples
white
red
different
areas
were
collected.
these
samples,
qualitative
quantitative
analysis
was
carried
out
profile.
profiles
studied
wines
determined
using
UHPLC-ESI-MS/MS
(mass
spectrometry
tandem
ionization
high-performance
liquid
chromatography).
Among
non-flavonoid
acids,
gallic
p-coumarnic,
syringic
acids
in
showed
higher
concentrations
all
while
resveratrol
present
0.605
to
12.38
mg/L
wines,
ranged
0.07
0.35
mg/L.
flavonoids,
-catechin
(0.187
m/L–130.98
0.04–4.45
mg/L)
(-)-epi-catechin
highest
concentrations,
reaching
up
29.78
Language: Английский
Maximizing Wine Antioxidants: Yeast’s Contribution to Melatonin Formation
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(8), P. 916 - 916
Published: July 29, 2024
Melatonin
is
commonly
found
in
various
fruits,
juices,
and
some
fermented
beverages.
Its
concentration
wine
influenced
by
soil
properties,
climatic
factors,
yeast
activity.
Even
if
it
beverages
relatively
low
proportions,
melatonin
still
holds
significant
nutritional
value,
giving
anti-aging
anti-inflammatory
actions,
antidepressant
effects.
In
this
context,
article
focuses
on
evaluating
the
impact
of
different
Saccharomyces
non-Saccharomyces
species
formation
its
contribution
to
wines'
total
antioxidant
capacity.
Considering
that
activity
usually
related
content
phenolic
compounds,
ten
such
compounds
were
analyzed.
The
evaluation
bioactive
was
performed
using
high-performance
liquid
chromatography
(HPLC)
coupled
with
mass
spectrometry.
capacity
samples
evaluated
ABTS
Language: Английский
Determination of the polyphenolic content and the antioxidant activities of four indigenous Greek red and white wine varieties
Fotios Tekos,
No information about this author
Maria Gkasdrogka,
No information about this author
Periklis Vardakas
No information about this author
et al.
International Journal of Functional Nutrition,
Journal Year:
2023,
Volume and Issue:
4(1)
Published: Oct. 20, 2023
Greece
has
a
long
history
in
viticulture
and
vinification,
cultivating
indigenous
imported
grape
varietals
for
the
production
of
fine
wines.
The
dominant
Greek
red
varieties
are
Xinomavro
Agiorgitiko,
while
most
recognizable
white
Assyrtiko
Malagouzia.
In
present
study,
biological
activities
monovarietal
wines,
derived
from
aforementioned
varieties,
were
investigated
by
evaluating
their
polyphenolic
content
antioxidant
potency
in
vitro,
using
well‑established
panel
cell‑free
assays.
According
to
results
obtained,
wines
contained
higher
levels
compounds
exhibited
more
prominent
than
Among
different
wine
was
potent,
exhibiting
high
concentration
polyphenols
notable
properties,
whereas
Malagouzia
least
efficacious.
Finally,
correlation
analysis
between
total
capacity
revealed
proportional
almost
all
cases,
indicating
that
strongly
correlated
with
phenolic
content.
Overall,
findings
study
suggest
these
particularly
Xinomavro,
highly
bioactive,
moderate
consumption
may
be
associated
health‑promoting
effects.
Language: Английский
Vitis vinifera L. variety Syrah sprayed with ZnSO4: Effect on fruit quality and winemaking
Emirates Journal of Food and Agriculture,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 8, 2023
In
grapevines,
Zn
is
essential
for
normal
leaf
growth,
shoot
elongation
and
pollen
development,
allowing
a
fully
developed
berry.
this
context,
using
as
test
system
Vitis
vinifera
L.
variety
Syrah,
study
aimed
to
assess
the
interactions
between
enrichment
in
grapes
sugars
fatty
acids
profiles,
further
considering
sensory
implications
of
red
wine
production.
Vineyard
conditions
soil
were
assessed
ensure
natural
optimal
development
grapevines
workflow
considered
three
treatments:
foliar
spray
with
water
(control)
ZnSO4
(at
450
900g.ha-1).
After
2nd
application
ZnSO4,
only
minor
changes
Zn,
Ca
P
contents
found
(the
levels
K,
Cu
S
increased
significantly
(450
g.ha-1).
At
harvest,
submitted
showed
higher
(between
33.38
-
54.41%),
but
significant
deviations
(sucrose,
glucose
fructose),
(C18:0,
C18:1,
C18:2,
C18:3,
C16:0,
C<16:0)
color
parameters
not
found.
winemaking,
relative
control,
content
persisted
(60.59
63.82%),
without
impairing
characteristics
desired
by
consumers.
fact,
(900
g.ha-1)
was
most
sensorially
accepted.
Keywords:
Foliar
spraying
ZnSO4;
Grapes
Zn;
Nutrient’s
interactions;
Sugars
profiles;
Syrah;
Winemaking.
Language: Английский