Tomato
seed
protein
isolate
(TSPI)
(3,
4,
and
5
g)
was
used
to
form
protein-based
edible
films.
The
incorporation
effect
of
glycerol
(GLY)
(35,
42.5,
50%
w/w
based
on
the
dry
weight
TSPI)
tragacanth
gum
(20%
characteristics
TSPI
films
investigated.
Response
surface
methodology
(RSM)
using
a
central
composite
rotatable
design
predict
effects
GLY
concentrations
responses.
experimental
data
were
adequately
fitted
into
linear
model
for
all
variables
examined.
optimum
3.925
g
35%
TSPI,
respectively.
Under
this
condition,
resulted
in
opacity
(14.17),
water
solubility
(48.07%),
vapor
permeability
(1.355
mm/kPa
h
m2),
total
color
differences
(52.33),
tensile
strength
(3.5
MPa),
elongation
at
break
(6.582%),
L*
(63.60).
exhibited
semicrystalline
nature,
which
proved
by
results
SEM
XRD
analysis.
Fourier
transform
infrared
spectroscopy
(FTIR)
showed
presence
strong
hydrogen
bonding
between
chains
glycerol.
that
had
good
film-forming
capacity,
creating
homogeneous
film
with
physiochemical
properties.
However,
study
presented
some
films,
aiming
provide
new
research
ideas
wide
application
further
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
276, P. 134132 - 134132
Published: July 23, 2024
The
mechanical,
barrier
properties,
and
water
resistance
of
packaging
materials
are
crucial
for
the
preservation
fruits
vegetables.
In
this
study,
zein
was
incorporated
as
a
hydrophobic
substance
into
konjac
glucomannan
(KGM)/curdlan
(KC)
system.
KC/zein
(KCZ)
showed
good
compatibility
with
aggregates
uniformly
distributed
in
network
formed
by
an
entanglement
KGM
curdlan
micelles
based
on
hydrogen
bonds.
presence
inhibited
extension
KC
entangled
structure
enhanced
solid-like
behavior.
high
content
(>6
%)
increased
aggregation
negatively
affected
properties
KCZ.
addition
significantly
improved
vapor
permeability,
tensile
strength,
elongation
at
break.
hydrophobicity
KCZ
films
enhanced,
accompanied
contact
angle
increasing
from
81°
to
112°,
moisture
content,
swelling,
soluble
solid
loss
ratio
decreasing
apparently.
K
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 12, 2025
ABSTRACT
This
work
describes
the
synthesis
and
characterization
of
a
novel
hydrogel
system
based
on
pectin
(PT)
functionalized
with
thiol
maleimide
groups
cross‐linked
by
thiol‐maleimide
click
chemistry.
Thiolated
PT
(PT‐SH)
maleimide‐modified
(PT‐Ma)
precursors
were
synthesized
carbodiimide‐mediated
amidation
confirmed
elemental
analysis,
FTIR,
1H
NMR
spectroscopy.
The
resulting
exhibited
gelation
efficiency
over
80%,
swelling
degrees
ranging
from
44%
to
80%
depending
cross‐linking
density,
pH‐sensitive
behavior
maximum
at
pH
8.
demonstrated
high
mechanical
stability,
compressive
strengths
20.8–33.2
kPa,
increasing
density.
As
model
drug,
ibuprofen
was
encapsulated
efficiencies
up
337
mg/g
released
in
controlled
fashion.
In
vitro
release
studies
showed
slower
acidic
environments,
which
ranged
22%
53%
within
6–10
h,
faster
slightly
alkaline
environment,
consistent
profile
hydrogel.
Such
properties
underline
hydrogel's
potential
for
sustained
drug
delivery.
Pectin
hydrogels,
upon
cross‐linking,
are
hereby
presented
be
strong
platform
biomedical
applications
properties,
behavior,
performance
Polymers,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1217 - 1217
Published: April 29, 2025
Microbial
contamination
challenges
have
led
to
the
development
of
active
edible
coatings
for
fruit
preservation.
Herein,
a
Konjac
glucomannan
(KGM)
coating
loaded
with
Ocimum
gratissimum
(OG)
essential
oil
stabilized
by
pectin
superior
resistance
air
permeability,
oxidation,
and
fungal,
was
prepared
in
situ
on
surface
Mandarin
oranges
enhance
postharvest
quality.
The
results
demonstrated
that
KGM-pectin-OG
(K-P-OG)
1.5
wt%
exhibited
good
performance
terms
stability,
adhesion,
wetting.
Meanwhile,
had
an
ideal
permeability
due
its
compact
dense
structure
based
compatibility
interactions
between
components.
oxygen
K-P-OG
7.9
×
(10-16
g·cm)/(cm2·s·Pa),
which
six
orders
magnitude
lower
than
KGM
coating.
antioxidant,
vitro,
vivo
antifungal
activities
against
Penicillium
italicum
were
strengthened
OG
emulsion
mainly
depended
concentration.
storage
showed
1.5%
extended
shelf
life
8
days,
reduced
weight
loss
rate
13%,
increased
firmness
POD
during
24.14%
100%,
respectively,
compared
control
group.
These
demonstrate
can
effectively
maintain
nutrient
content
extend
time
enhancing
antioxidant
capacity
inhibiting
respiration
microorganism
growth.
This
study
presents
strategy
developing
