International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(22), С. 16220 - 16220
Опубликована: Ноя. 12, 2023
Nitrogen
is
essential
for
improving
the
seed
oil
yield
of
rapeseed
(Brassica
napus
L.).
However,
molecular
mechanism
by
which
increased
nitrogen
rates
impact
content
largely
unknown.
Therefore,
a
field
experiment
was
conducted
to
determine
how
three
application
(120,
240,
and
360
kg
ha-1)
regulated
via
transcriptomic
analysis.
The
results
showed
that
protein
total
N
contents
from
N1
N3,
with
average
increases
57.2%,
16.9%,
79.5%,
respectively.
significantly
decreased
an
decrease
8.6%.
These
were
repeated
over
number
years.
quantity
bodies
observed
under
transmission
electron
microscope
in
accordance
ultimate
contents.
As
rate
increased,
substantial
genes
involved
photosynthesis,
glycolysis,
phenylpropanoid
biosynthesis
pathways
up-regulated,
as
TF
families,
such
AP2/ERF,
MYB,
NAC.
newly
identified
mainly
carbohydrate,
lipid,
amino
acid
metabolism.
Metabolic
flux
analysis
most
glycolysis
fatty
had
higher
transcript
levels
early
development
stages.
Our
provide
new
insights
into
regulation
through
rates.
Journal of Food Biochemistry,
Год журнала:
2025,
Номер
2025(1)
Опубликована: Янв. 1, 2025
Background:
Rapeseed
oil
is
the
most
widely
consumed
vegetable
globally.
However,
key
aroma‐active
compounds
of
rapeseed
and
their
changes
during
storage
are
unclear.
In
this
study,
flavor
was
characterized
by
physicochemical
analysis,
sensory
evaluation,
electronic
nose
(E‐nose),
gas
chromatography–olfactometry
(GC–O).
Results:
Peroxide
value,
acid
anisidine
value
gradually
increased,
while
polyphenol
content,
tocopherol
sterol
content
showed
a
downward
trend
storage.
The
E‐nose
combined
with
linear
discriminate
analysis
(LDA)
method
could
different
times.
attributes
changed
significantly
from
distinctive
pickled
aroma
to
rancid,
green,
fried
aromas
This
work
provides
markers
based
on
GC–O–MS
for
quality
evaluation
A
total
136
volatile
were
detected
GC–MS,
16
odorants
identified
GC–O
extract
dilution
(AEDA).
Finally,
seven
(3‐butenyl
isothiocyanate,
2(5H)‐furanone,
2‐methoxy‐4‐vinylphenol,
(
E
)‐2‐octenal,
E,E
)‐2,4‐heptadienal,
)‐2,4‐decadienal,
3‐methyl‐pentanoic
acid)
odor
activity
values
(OAVs)
greater
than
1
as
potential
volatiles
that
contributed
overall
oil.
Conclusion:
study
provided
comprehensive
monitor
change
be
characterize
Plants,
Год журнала:
2025,
Номер
14(2), С. 202 - 202
Опубликована: Янв. 13, 2025
Rapeseed
(Brassica
napus
L.)
is
one
of
the
four
major
oilseed
crops
in
world
and
rich
fatty
acids.
Changes
acid
composition
affect
quality
rapeseed.
Fatty
acids
play
various
roles
plants,
but
functions
genes
involved
during
plant
development
remain
unclear.
β-Ketoacyl-CoA
synthase
(KCS)
a
key
enzyme
elongation
Various
types
products
are
used
to
build
lipid
molecules,
such
as
oils,
suberin,
wax,
membrane
lipids.
In
B.
napus,
BnaKCSA8
BnaKCSC3
belong
KCS
family,
their
specific
This
study
cloned
from
Brassica
L.
analyzed
functions.
The
gene
structures
were
similar
they
localized
endoplasmic
reticulum
(ER).
yeast,
overexpression
increased
ratios
palmitoleic
oleic
acid,
while
decreased
acid.
Arabidopsis,
lead
an
increase
proportion
linoleic
decrease
erucic
summary,
altered
These
findings
lay
foundation
for
understanding
role
rapeseed,
potentially
improving
its
health
nutritional
qualities.
Agronomy,
Год журнала:
2025,
Номер
15(4), С. 892 - 892
Опубликована: Апрель 3, 2025
The
spraying
time
of
nitrogen
fertilizer
is
a
key
factor
to
consider
when
fertilizing
with
an
intelligent
micro-sprinkler
irrigation
system.
This
study
aims
investigate
the
impact
on
seed
oil
quality
tree
peony,
expectation
providing
theoretical
support
for
application
systems
in
production
peony.
In
2022
and
2023,
foliar
was
conducted
Paeonia
ostii
‘Fengdan’
utilizing
micro-spray
system,
four
distinct
times
(3:00–4:00,
7:00–8:00,
14:00–15:00,
19:00–20:00).
Based
this,
assessed
metabolism
indicators
leaves
seeds
at
various
growth
stages
fatty
acid
composition
‘Fengdan’.
results
revealed
that
between
14:00
15:00
significantly
enhanced
levels
free
amino
acids
(FAA),
nitrate
reductase
(NR),
glutamine
synthetase
(GS),
glutamate
synthase
(GOGAT)
activity
both
seeds.
Furthermore,
ratio
α-linolenic
increased.
Correlation
analysis
demonstrated
positive
or
highly
significant
correlation
unsaturated
acids.
conclusion,
enhances
FAA
content
enzymes
within
promotes
synthesis
oil.
contributes
efficient
high-quality
cultivation
Food Chemistry X,
Год журнала:
2024,
Номер
24, С. 101985 - 101985
Опубликована: Ноя. 8, 2024
The
strong
fragrant
rapeseed
oils
(SFROs)
attract
an
increasing
consumers'
preference
due
to
their
flavor
and
attractive
appearance.
With
the
accumulated
knowledge
of
formation
pathways
during
producing
SFROs,
present
study
proposed
a
novel
method
enhance
SFRO's
by
directly
adding
reducing
sugars
(glucose
xylose)
commercial
peptides
roasting
process.
Results
indicated
that
supplementation
3
%
peptide,
1
glucose
0.5
xylose
gave
color
SFRO
with
highest
red
value
6.5,
sensory
score,
enhanced
nutty
roasted
fragrance
distinguishing
sweet
flavor.
contents
typical
volatile
compounds
such
as
pyrazines
furans
in
R-SFRO
also
showed
levels,
proving
addition
peptide
Maillard
reaction
substrates
could
significantly
Additionally,
potency
for
large-scale
application
simple
steps,
low-cost
input.
