The Journal of Horticultural Science and Biotechnology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 13
Published: Nov. 26, 2024
Guava,
a
tropical
fruit,
has
short
shelf
life
due
to
its
rapid
ripening
and
susceptibility
various
factors
like
water
loss,
mechanical
damage,
cold
storage.
This
study
aimed
address
this
issue
by
using
an
edible
coating
containing
xanthan
enriched
with
pomegranate
seed
oil
preserve
guava
fruit
quality
over
21
days
at
5
±
1°C
85%-95%
relative
humidity,
5-day
life.
The
treatments
significantly
reduced
weight
the
treatment
showing
least
loss
(2.18%).
While
respiration
rate
increased
during
storage,
treated
fruits
exhibited
lower
intensity.
Notably,
maintained
greater
firmness
than
that
of
control.
antioxidant
capacities
were
higher,
highest
value
(96.8%).
In
contrast,
control
group
had
higher
total
soluble
solids
(TSS)/titratable
acidity
(TA)
ratio
113.5.
Principal
Component
Analysis
(PCA)
indicated
after
d,
high
values
F1,
associated
TSS,
rate,
TSS/TA.
These
findings
suggest
alone
or
Xan
0.2%
+
effectively
improve
fruit.
Foods,
Journal Year:
2024,
Volume and Issue:
13(23), P. 3896 - 3896
Published: Dec. 3, 2024
Considerable
interest
has
emerged
in
developing
biodegradable
food
packaging
materials
derived
from
polysaccharides.
Phenolic
compounds
serve
as
natural
bioactive
substances
with
a
range
of
functional
properties.
Various
phenolic
have
been
incorporated
into
polysaccharide-based
films
and
coatings
for
packaging,
thereby
enhancing
product
shelf
life
by
mitigating
quality
degradation
due
to
oxidation
microbial
growth.
This
review
offers
comprehensive
overview
the
current
state
active
enriched
preserving
fruits
vegetables.
The
different
approaches
addition
phenols
polysaccharides-based
are
discussed.
modifications
film
properties
resulting
incorporating
polyphenols
systematically
characterized.
Then,
application
these
composite
protectants
intelligent
fruit
vegetables
preservation
is
highlighted.
In
future,
several
points,
such
preservative
mechanism,
safety
evaluation,
combination
other
techniques
along
whole
supply
chain
could
be
considered
design
polyphenol-polysaccharides
more
line
actual
production
needs.
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(5), P. e0323416 - e0323416
Published: May 12, 2025
Background
Longkong
fruit
is
highly
perishable
due
to
rapid
pericarp
browning,
limiting
its
post-harvest
shelf
life
less
than
7
days
under
ambient
conditions.
Objectives
This
study
evaluated
the
efficacy
of
Prunus
persica
resin
(PPR)
coatings
at
1%,
2%,
3%,
and
4%
concentrations
in
preserving
quality
over
14
storage,
with
assessments
conducted
two-day
intervals.
Methods
fruits
were
treated
PPR
stored
Parameters
including
decay
rate,
moisture
loss,
color
retention,
biochemical
properties,
enzymatic
activities
analyzed.
Results
PPR-coated
samples
exhibited
superior
performance
compared
control
samples,
higher
effectively
mitigating
loss
while
maintaining
properties.
Control
became
unacceptable
by
day
8,
exhibiting
a
browning
index
exceeding
4.51
rate
82.56%,
whereas
(>3%)
maintained
lower
indices
(<3.47)
rates
(<58.99%)
14.
Color
retention
was
significantly
enhanced
PPR-treated
fruits,
which
lightness,
redness,
yellowness
values,
untreated
severe
discoloration.
Moisture
reached
35.31%
limited
20%
throughout
storage
period.
Additionally,
high
preserved
total
phenolic
content,
flavonoid
levels,
antioxidant
activities.
longkong
suppressed
activity
browning-related
enzymes
such
as
polyphenol
oxidase,
peroxidase,
cinnamate-4-hydroxylase,
alongside
reductions
membrane-degrading
lipoxygenase
phospholipase
D.
Conclusion
These
findings
indicate
that
coatings,
particularly
concentration,
extend
for
up
days,
providing
natural,
biodegradable
solution.
approach
holds
significant
potential
reducing
food
waste,
supporting
sustainable
agricultural
practices,
enhancing
marketability
across
supply
chains,
benefiting
small-scale
farmers
tropical
regions.
