Frontiers in Sustainable Food Systems,
Год журнала:
2024,
Номер
8
Опубликована: Июнь 12, 2024
Effective
and
innovative
freshly
produced
preservation
methods
are
paramount
for
ensuring
safe
sustainable
food.
Edible
coatings
fresh
dates
can
provide
an
additional
protective
layer
to
enhance
their
shelf
life
extend
marketability.
However,
the
optimum
coating
requires
a
high
uniformity
of
on
fruit.
The
ultrasonic
achieve
more
uniform
consistent
fruit
surface.
Therefore,
this
study
aimed
design,
evaluate,
optimize
process
parameters
system
(UCS)
quality
date
palm
utilizing
gum
Arabic
as
edible
coating.
response
surface
methodology
(RSM)
was
conducted
using
Design-Expert
software
Version
13.
central
composite
design
employed
determine
influence
eight
independent
variables,
namely,
time,
air
flow
rate,
liquid
height
above
transducers,
temperature,
concentration,
drying
time
coated
fruit,
storage
temperature
responses
which
were
life,
ripe
percentage,
color
changes,
weight
loss.
optimization
optimal
solutions
enhancing
quality.
outcome
with
desirability
0.90
demonstrated
that
fruits
concentration
9.58%
at
rate
1.95
m/s,
transducer
0.62
cm,
40°C,
7.4
min,
30°C,
5°C
resulted
in
extending
stored
65
days
3.47
ripening
7.39
change,
4.22%
validation
experiment
same
variable
levels
indicated
extended
60.2
±
0.5
days,
accompanied
by
percentage
3.4
0.4%,
change
10.3
0.9,
loss
5.4
0.9%.
validated
through
rigorous
experiments
Khalal
stage.
findings
showed
positive
slight
decrease
ripe,
Ultrasonics Sonochemistry,
Год журнала:
2023,
Номер
99, С. 106565 - 106565
Опубликована: Авг. 23, 2023
The
target
of
this
study
was
to
examine
the
influence
ultrasound
pretreatment
and
edible
coatings
(xanthan,
guar,
wild
sage
seed
gums)
on
total
phenols
content,
antioxidant
potential,
mass
transfer
rate,
effective
moisture
diffusivity
(Deff),
rehydration
rate
sweet
cherries
(SC).
For
coating
SC,
a
0.2%
gum
solution
seed)
prepared
SC
were
dipped
into
aqueous
solution.
Also,
process
(40
kHz
150
W)
performed
in
an
ultrasonic
bath
for
3
minutes.
gums
increased
properties,
drying
time
decreased
Deff
values.
highest
value
DPPH
(2,2-Diphenyl-1-picrylhydrazyl)
radical
scavenging
activity
(61.04
±
2.09%)
observed
coated
by
guar
gum.
mean
times
uncoated,
xanthan
gum-coated,
gum-coated
130,
160,
175,
140
minutes,
respectively.
In
study,
as
determined
second
Fick
law
varied
from
1.39×10-9
m2/s
2.46×10-9
m2/s.
Midilli
model
gave
best
results
describing
single-layer
SC.
ratio
141.81,
167.26,
176.21,
156.87
%,
Considering
activity,
ratio,
will
be
more
promising
before
other
processes.
Food Science & Nutrition,
Год журнала:
2023,
Номер
11(12), С. 7870 - 7876
Опубликована: Сен. 21, 2023
The
target
of
this
work
was
to
investigate
the
influence
microwave
pretreatments
(at
five
levels
0,
30,
60,
90,
and
120
s)
on
total
phenolics
content,
antioxidant
potential,
mass
transfer
rate,
effective
moisture
diffusivity
(
Ultrasonics Sonochemistry,
Год журнала:
2023,
Номер
98, С. 106505 - 106505
Опубликована: Июль 8, 2023
In
this
work,
the
novel
use
of
ultrasonic
pre-treatment
and
edible
coating
treatment
during
osmosis
dehydration
to
optimize
weight
reduction,
moisture
loss,
sucrose
gain,
rehydration,
surface
shrinkage
using
a
response
methodology
(RSM)
based
on
central
composite
design
(CCD)
technique
was
successfully
conducted
grapefruit
slices.
The
process
parameters
include
sonication
time
(5-10
min),
xanthan-gum-based
(0.1%-0.3%,
w/w),
concentration
(20-50
Brix),
were
examined
optimized
for
At
each
step,
three
slices
immersed
in
an
water
bath
at
40
kHz,
150
W,
20
C.
Then,
sonicated
placed
container
contain
xanthan,
put
50
C
water-bath
1
h.
optimum
xanthan
gum,
sucrose,
predicted
be
0.15%,
20.0
Brix,
10.0
min,
respectively.
Under
condition,
estimated
values
variables
are
as
follows:
reduction
14.14%,
loss
25.92%,
solids
gain
11.78%,
rehydration
ratio
203.40%,
2.90%.
increased
when
increased.
Results
demonstrated
that
experimental
data
could
adequately
fitted
into
linear
model
with
p-value
ranging
from
0.0001
0.0309
all
examined.
dried
samples
Also,
absorption,
declined
increasing
levels.
International Journal of Energy Research,
Год журнала:
2023,
Номер
2023, С. 1 - 17
Опубликована: Сен. 26, 2023
In
Egypt,
the
climate
has
a
direct
impact
on
dried
date
fruit
production.
The
traditional
drying
method
or
open
sun
(OSD)
leads
to
pollution
of
final
product
caused
by
sand-laden
winds,
rain,
animals
and
harmful
insects,
etc.
This
study
is
aimed
at
designing,
implementing,
experimentally
validating
solar
dryer
based
IoT
technology
integrated
with
PV
system
in
Aswan,
Egypt.
purpose
monitor
control
quality
three
most
popular
varieties
determine
effective
method,
an
algorithm
that
operates
automatically
for
optimal
performance
high-quality
products.
automatic
(ASD)
significantly
affects
moisture
content
color
characteristics
reaches
equilibrium
(EMC)
faster
rate
samples
compared
OSD.
ASD
was
29.03%
(Sakkoti),
31.04%
(Malkabi),
25.49%
(Gondaila)
higher
than
Also,
reached
EMC
after
8
days
both
Malkabi
Gondaila
9
Sakkoti,
while
it
took
14
15
maximum
circuit
voltage
,
short
current
id="M2">
Isc
output
power
id="M3">
Poutput
were
41.70
V,
8.84
A,
365.09
W,
respectively.
All
values
total
change
(
id="M4">
ΔE∗
)
open-air
dry
systems.
can
be
then
more
helpful
producers
foods.
ChemBioEng Reviews,
Год журнала:
2023,
Номер
10(5), С. 618 - 627
Опубликована: Авг. 9, 2023
Abstract
The
impact
of
various
freeze‐drying
(FD)
methods
on
the
drying
efficiency
and
quality
dried
fruits
vegetables
is
reviewed.
Additionally,
a
brief
overview
recent
advances
in
FD
provided.
technique
characterized
by
following
key
properties:
ability
to
maintain
original
texture
color,
highest
nutritional
value,
appropriate
rehydration
rate
due
porous
tissue
product.
Recently,
combination
have
been
tested
improve
speed
save
energy
when
vegetables.
This
includes
combining
systems
with
other
techniques
such
as
ultrasound,
microwave,
vacuum,
infrared
radiation,
pulsed
electric
field
(PEF),
CO
2
laser
perforation.
Combined
benefits
these
technologies
include
increased
mass
transfer
rates,
shorter
dehydration
time,
savings,
improved
product
quality,
lower
shrinkage,
higher
capacity,
flexibility
dry
manufacture
many
types
pieces.
Ultrasonics Sonochemistry,
Год журнала:
2023,
Номер
101, С. 106671 - 106671
Опубликована: Окт. 30, 2023
The
aim
of
this
study
was
to
examine
the
impacts
microwave
pretreatment
(MWP)
and
ultrasonic
(USP)
on
drying
time
(DT),
mass
transfer
kinetics,
effective
water
diffusivity
(D
Results in Engineering,
Год журнала:
2023,
Номер
21, С. 101690 - 101690
Опубликована: Дек. 18, 2023
This
study
aimed
to
examine
the
influence
of
microwave
pretreatment
(MWP)
for
0,
15,
30,
45,
and
60
s,
ultrasound
(USP)
5,
10,
20
min,
on
drying
time,
effective
moisture
diffusivity
(Deff),
rehydration
rate,
color
indexes
(lightness,
redness,
yellowness),
total
change
(ΔE)
eggplant
slices
during
dehydration
in
a
hot-air
dryer.
The
results
demonstrated
that
USP
significantly
reduced
time
(higher
water
loss)
(p
<
0.05).
While,
MWP
increased
Deff
values
ultrasonic
pretreated
were
considerably
higher
than
those
untreated
determined
by
Fick's
second
law
was
varied
from
5.95
×
10−10
9.56
m2s−1,
1.27
10−9
1.42
samples
ultrasound,
respectively.
Nine
mathematical
models
(Page
model,
Quadratic
Newton
Verma
Logarithmic
Two-term
Exponential
Wang
Singh
Henderson
Pabis
Midilli
model)
used
estimate
coefficients
following
non-linear
regression
method.
showed
Page
model
became
most
accurate
show
characteristics
compared
eight
other
confirmed
with
sum
squared
error
(SSE)
ranging
0.0014
0.0098.
average
ratio
untreated,
microwave-treated,
ultrasound-treated
404.6
%,
360.1
438.6
yellowness,
ΔE
parameters
slices.
It
can
be
concluded
proved
retaining
surface
improving
speed
MWP.
ultrasonically
had
shorter
times,
improved
values,
rates,
appropriate
appearance.
