European Food Research and Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Primary
aromas
are
important
to
define
the
quality
of
grapes
and
wines.
This
work
studied
effect
foliar
application
urea
in
Tempranillo
Blanco
grapevines.
The
goal
was
assess
applying
three
doses
at
two
phenological
stages
(pre-veraison
veraison)
on
volatile
composition
grapes,
during
seasons.
treatments
did
not
have
an
impact
vineyard
yield
or
general
parameters
grapes.
Nevertheless,
these
modified
grape
composition.
Specifically,
lower
dose
improved
terpenoids,
C
13
norisoprenoids,
benzenoid
compounds.
moment
had
a
slight
Moreover,
concentration
some
terpenoids
increased
when
applied
veraison.
Climatic
conditions,
especially
warm
dry
weather,
were
main
factors
that
compounds,
stimulating
synthesis
norisoprenoids
Consequently,
applications
low
concentrations
could
be
interesting
viticulture
practice
order
improve
compounds
musts.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 3, 2023
Mono-
and
sesquiterpenes
are
volatile
organic
compounds
which
play
crucial
roles
in
human
perception
of
table
grape
wine
flavour
aroma,
as
such
their
biosynthesis
has
received
significant
attention.
Here,
the
mono-
grapevine
is
reviewed,
with
a
specific
focus
on
metabolic
pathways
lead
to
formation
these
compounds,
characterised
genetic
variation
underlying
modulation
this
metabolism.
The
bottlenecks
for
terpene
precursor
cytosol
plastid
understood
be
HMG-CoA
reductase
(HMGR)
1-deoxy-D-xylylose-5-phosphate
synthase
(DXS)
enzymes,
respectively,
prenyldiphosphate
precursors.
functional
plasticity
enzymes
act
precursors
allows
massive
observed
product
accumulation.
This
diversity
further
enhanced
by
duplication
genes
coding
structurally
diverse
synthases.
Relatively
minor
nucleotide
variations
sufficient
influence
both
substrate
specificity
genes,
impacting
cultivar-specific
aroma
profiles.
While
importance
terms
quality
well
documented,
they
also
several
interesting
grapevine’s
ecophysiological
interaction
its
environment.
involved
attraction
pollinators,
agents
seed
dispersal
herbivores,
defence
against
fungal
infection,
promotion
mutualistic
rhizobacteria
interaction,
elevated
conditions
high
light
radiation.
ever-increasing
genome
sequence
data
will
potentially
allow
future
breeders
biotechnologists
tailor
profiles
novel
cultivars
through
exploitation
genes.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 8, 2023
Continually
increasing
global
temperature
could
severely
affect
grape
berry
metabolite
accumulation
and
ultimately
wine
polyphenol
concentration
color
intensity.
To
explore
the
effect
of
late
shoot
pruning
on
composition,
field
trials
were
carried
out
Vitis
vinifera
cv.
Malbec
Syrah
grafted
110
Richter
rootstock.
Fifty-one
metabolites
detected
unequivocally
annotated
employing
UPLC-MS
based
profiling.
Integrating
data
using
hierarchical
clustering
showed
a
significant
treatments
must
metabolites.
profiles
characterized
by
general
trend
higher
content
in
treatments,
while
did
not
show
consistent
trend.
In
summary,
exerts
effect,
though
varietal
specific,
quality-related
metabolites,
possibly
related
to
enhanced
photosynthetic
efficiency,
which
should
be
taken
into
consideration
when
planning
mitigating
strategies
warm
climates.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Aug. 27, 2024
Flavonoids,
including
proanthocyanidins
(PAs),
anthocyanins
and
flavonols
are
essential
secondary
metabolites
that
contribute
to
the
nutritional
value
sensory
quality
of
grape
berry
red
wine.
Advances
in
molecular
biology
technology
have
led
substantial
progress
understanding
regulation
flavonoid
biosynthesis.
The
influence
terroir
on
berries
wine
has
garnered
increasing
attention,
yet
its
comprehensive
regulatory
network
remains
underexplored.
In
terms
application,
environmental
factors
such
as
water,
light,
temperature
more
easily
regulated
grapevines
compared
soil
conditions.
Therefore,
we
summarize
their
effects
content
composition,
constructing
a
links
factors,
hormones,
provide
deeper
underlying
mechanisms.
This
review
enriches
knowledge
mechanisms
governing
responses
grapes.
European Food Research and Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Primary
aromas
are
important
to
define
the
quality
of
grapes
and
wines.
This
work
studied
effect
foliar
application
urea
in
Tempranillo
Blanco
grapevines.
The
goal
was
assess
applying
three
doses
at
two
phenological
stages
(pre-veraison
veraison)
on
volatile
composition
grapes,
during
seasons.
treatments
did
not
have
an
impact
vineyard
yield
or
general
parameters
grapes.
Nevertheless,
these
modified
grape
composition.
Specifically,
lower
dose
improved
terpenoids,
C
13
norisoprenoids,
benzenoid
compounds.
moment
had
a
slight
Moreover,
concentration
some
terpenoids
increased
when
applied
veraison.
Climatic
conditions,
especially
warm
dry
weather,
were
main
factors
that
compounds,
stimulating
synthesis
norisoprenoids
Consequently,
applications
low
concentrations
could
be
interesting
viticulture
practice
order
improve
compounds
musts.
