Food Chemistry X,
Год журнала:
2023,
Номер
20, С. 100963 - 100963
Опубликована: Окт. 30, 2023
Carbon
dots
(CDs),
a
novel
type
of
nanomaterial,
play
crucial
roles
in
the
agriculture
field.
However,
it
remains
unclear
their
impacts
on
flavor
quality
vegetables.
The
present
study
synthesized
chitooligosaccharide-peanut
oligopeptide-carbon
(COS-POP-CDs)
material
through
chitooligosaccharide
(COS)
and
peanut
oligopeptide
(POP)
high
temperature
Maillard
reactions
studied
its
effect
Chinese
cabbage
(Choy
sum).
Results
indicated
that
COS-POP-CDs
emit
blue
visible
light
readily
absorbed
by
chloroplasts,
while
also
demonstrating
some
degree
antibacterial
antioxidant
activities.
After
transplanting
Choy
sum,
foliar
spraying
0.12
mg/mL
twice
can
increase
content
soluble
proteins,
Vitamin
C,
enhance
strawberry
spicy
flavors
Sum.
harvest
Sum,
once
slow
down
spoilage.
These
results
suggest
have
significant
potential
to
improve
crop
quality.
Carbon Resources Conversion,
Год журнала:
2023,
Номер
7(2), С. 100206 - 100206
Опубликована: Дек. 12, 2023
Carbon
dots
(CDs)
have
been
attracted
to
nanocarbon
materials
for
metal
ion
sensing,
biological
activity,
and
plant
phytotoxicity
due
their
excellent
photophysical
properties,
such
as
low
cytotoxicity,
high
quantum
yield,
tunable
fluorescence
emission,
biocompatibility.
Cassava
pulp,
which
consists
mainly
of
starch,
has
identified
a
low-cost
biomass
waste
from
the
cassava
starch
industry.
Therefore,
this
research
developed
CDs
nitrogen-doped
(NCDs)
pulp
using
one-step
hydrothermal
process
in
deionized
water
at
200°C.
The
effects
synthesis
conditions,
including
reaction
time
(6-24
hours)
nitrogen
doping
derivatives,
were
also
investigated.
ethylenediamine
doped-NCDs
exhibited
strong
photostability,
tolerance
photobleaching.
Furthermore,
potential
applications
CDs-12h
demonstrated
fluorescent
sensor
antioxidant
mercury
detoxification
plants.
Fluorescence
quenching
via
both
static
dynamic
mechanisms
was
observed
presence
several
ions
Hg2+,
Cu2+,
Fe3+
with
detection
limit
micromolar
levels
further
applied
real
samples
good
recovery
acceptable
relative
standard
derivation.
paper
test
strip
coated
could
detect
these
under
UV
light.
NCDs-EDA
showed
DPPH
radical
scavenging
activity
alleviated
toxicity
Chinese
cabbage
seedlings
incubation
NCDs-EDA-12h
(30
mg/L).
LWT,
Год журнала:
2024,
Номер
197, С. 115913 - 115913
Опубликована: Фев. 27, 2024
This
work
demonstrates
the
feasibility
of
using
a
combination
biodegradable
polycaprolactone
(PCL)
and
natural-based
hydroxypropyl
methylcellulose
(HPMC)
polymers
containing
carbon
dots
(CDs)
for
food
packaging
applications.
CDs
were
synthesized
insoluble
portion
Zedo
gum.
The
5%
15%
concentrations
bare
(Z-CD)
nitrogen
sulfur
co-doped
(TZ-CD)
chosen
incorporation
into
PCL/HPMC
nanofibers
(NFs).
PCL/HPMC/Z-CD15%
PCL/HPMC/TZ-CD15%
demonstrated
improved
tensile
strength
(12.88
15.01
MPa),
water
solubility
(30.20
42.36%),
vapor
transmittance
(0.62
0.71
g
mm/m2
h
kPa)),
respectively.
When
comparing
release
in
10%,
50%,
95%
ethanolic
solutions,
it
was
found
that
TZ-CD
released
more
rapidly
than
Z-CD
from
NFs
all
three
simulants.
CDs-added
exhibited
potent
antioxidant
activity
(80.5%).
More
significant
antimicrobial
against
S.
aureus
observed
compared
to
E.
coli.
Additionally,
reductions
total
volatile
basic
thiobarbituric
acid
values
indicated
beef
covered
with
had
an
extended
shelf
life
five
days.
In
conclusion,
can
be
used
as
promising
materials
enhance
meat
products.
