Polymers,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3490 - 3490
Published: Dec. 14, 2024
The
escalating
global
concern
regarding
plastic
waste
accumulation
and
its
detrimental
environmental
impact
has
driven
the
exploration
of
sustainable
alternatives
to
conventional
petroleum-based
plastics.
This
study
investigates
development
antimicrobial
blends
bacterial
nanocellulose
(BNC)
derived
from
polyhydroxyalkanoates
(PHB),
further
enhanced
with
essential
oils.
activity
resulting
BNC/PHB
was
tested
in
vitro
against
Escherichia
coli,
Staphylococcus
aureus,
Candida
albicans.
incorporation
oils,
particularly
cinnamon
oil,
significantly
properties
blends.
BNC
5%
PHB
blend
exhibited
highest
antifungal
inhibition
C.
albicans
at
90.25%.
Additionally,
2%
10%
also
showed
activity,
inhibiting
68%
growth.
These
findings
highlight
potential
incorporating
oils
into
create
effective
materials.
concludes
that
enhancing
broadens
applications
across
various
sectors,
including
wound
dressings,
nanofiltration
masks,
controlled-release
fertilizers,
active
packaging.
Food Chemistry X,
Journal Year:
2025,
Volume and Issue:
25, P. 102171 - 102171
Published: Jan. 1, 2025
Edible
coatings
are
revolutionizing
food
preservation
by
offering
a
sustainable
and
effective
solution
to
key
industry
challenges.
Made
from
natural
biopolymers
such
as
proteins,
polysaccharides,
lipids,
these
form
thin,
edible
layer
on
surfaces.
This
barrier
reduces
moisture
loss,
protects
against
oxidative
damage,
limits
microbial
growth,
thereby
extending
shelf
life
while
preserving
quality.
Enhanced
with
additives
like
essential
oils
antioxidants,
offer
antimicrobial
benefits
contribute
health.
Applications
span
fresh
produce,
where
they
control
respiration
moisture,
meat,
dairy,
bakery
products,
maintaining
sensory
nutritional
properties.
Innovations
in
coating
technologies-such
composite
materials,
nano-emulsions,
bio-nanocomposites-are
improving
their
mechanical
strength,
properties,
compatibility
other
methods
modified
atmosphere
packaging.
Although
challenges
remain
cost,
consumer
acceptance,
regulation,
represent
significant
stride
towards
systems
reduced
dependence
synthetic
Due
to
their
potential
enhance
the
potency
in
melioration
of
food
aegis,
nanoparticles
(NP)
with
green
materials
have
gained
more
interest
area
packaging.
In
present
work,
active
wrappers
were
fabricated
using
an
admixture
Mg-ZnO
(42.95
nm)
biocomposite
(BC)
Cymbopogan
and
Zingiber
officinale.
The
functional
characteristics
mixtures
–
AM
(NP
BC)
antibacterial
activity
observed
(Escherichia
coli
7.2
mm).
GCMS
analysis
profiled
presence
antioxidants
compounds.
was
embedded
a
low-content
polymer
matrix
analyzed
for
its
structure,
function,
moisture
content,
solubility
(S2
21.52%),
water
vapor
transmission
rate
15%),
mechanical
properties.
films
highly
UV-protective
band
gaps
>4
eV
perfectly
encapsulated
poly(vinyl
alcohol).
This
bioactive
film
can
act
as
replacement
nondegradable
plastics
packaging
industry
increase
shelf
life
stored
products.
Food Chemistry,
Journal Year:
2024,
Volume and Issue:
462, P. 141006 - 141006
Published: Aug. 26, 2024
Aquatic
products
are
highly
susceptible
to
spoilage,
and
preparing
composite
edible
film
with
essential
oil
is
an
effective
solution.
In
this
study,
films
were
prepared
using
perilla
(PEO)-glycerol
monolaurate
emulsions
incorporated
chitosan
nisin,
the
formulation
was
optimized
by
response
surface
methodology.
These
applied
ready-to-eat
fish
balls
evaluated
over
a
period
of
12
days.
The
highest
inhibition
rate
against
Staphylococcus
aureus
acquired
polymer
composition
6
μL/mL
PEO,
18.4
μg/mL
glycerol
monolaurate,
14.2
mg/mL
chitosan,
11.0
nisin.
coated
optimal
showed
minimal
changes
in
appearance
during
storage
significantly
reduced
total
bacterial
counts
volatile
basic
nitrogen
compared
control
groups.
This
work
indicated
that
containing
oils
possess
ideal
properties
as
antimicrobial
packaging
materials
for
aquatic
foods.
Food Chemistry X,
Journal Year:
2025,
Volume and Issue:
26, P. 102302 - 102302
Published: Feb. 1, 2025
Mandarin
oranges
are
susceptible
to
senescence
and
decay,
primarily
due
postharvest
quality
loss
fungal
infections.
This
study
aim
develop
edible
active
coatings
using
carnauba
shellac
incorporated
with
carvacrol
nanoemulsion
(CNE),
examine
the
synergistic
effects
of
coating
on
parameters
shelf-life
mandarin
during
ambient
storage.
Nanoemulsion
average
droplet
size
348.8
nm
was
prepared,
showing
a
polydispersity
index
value
0.211,
showed
excellent
antifungal
activities.
Five
formulations
were
developed
applied
oranges.
The
containing
2
%,
v/v
CNE
exhibited
lowest
weight
(19.23
%),
maintaining
highest
firmness
(12.06
N),
total
soluble
solids
16.1°Brix,
titratable
acidity
1.56
%
even
after
30
days
application
oranges-maintained
up
doubling
in
ambient.
Food Bioengineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 28, 2025
ABSTRACT
Essential
oils
are
widely
recognized
for
their
antimicrobial
properties,
making
them
promising
natural
alternatives
food
preservation
and
spoilage
prevention.
However,
practical
challenges
such
as
hydrophobicity,
instability,
strong
aroma
have
limited
applications.
To
overcome
these
challenges,
this
study
aimed
to
prepare
nanoemulsions
of
eugenol
neem
oil
using
ultrasonication
techniques
evaluating
efficacy,
highlighting
potential
sustainable
preservation.
The
efficacy
was
evaluated
against
four
foodborne
bacteria
fungi
well
diffusion
method.
Nanoemulsions,
formulated
with
concentrations
5%–20%,
exhibited
particle
sizes
ranging
from
135
373
d.nm
410
587
eugenol,
polydispersity
indices
indicating
variable
size
distribution
(0.27–0.88
0.13–0.60
eugenol).
Stability
tests
confirmed
overall
stability,
although
some
eugenol‐based
minor
precipitation
due
turbidity.
Both
displayed
significant
activity,
being
more
effective
even
at
lower
concentrations.
NNE‐20
showed
the
largest
inhibition
zones
Bacillus
subtilis
(17.83
mm),
Escherichia
coli
(14.83
Enterobacter
aerogenes
(14.16
while
NNE‐15
most
Staphylococcus
aureus
(14
mm).
Eugenol
superior
antibacterial
achieving
18–23.5
mm
higher
For
fungi,
inhibited
Colletotrichum
gloeosporioides,
Rhizopus
stolonifer
Aspergillus
niger
(15–20
outperformed
oil,
showing
24–26
(
)
20–24
Saccharomyces
cerevisiae
).
These
findings
highlight
stable,
natural,
synthetic
preservatives
improving
safety
extending
shelf
life.
