Ultrasonics Sonochemistry,
Journal Year:
2023,
Volume and Issue:
102, P. 106744 - 106744
Published: Dec. 29, 2023
Food
waste
presents
a
continuous
challenge
for
the
food
industry,
leading
to
environmental
pollution
and
economic
issues.
A
substantial
amount
of
waste,
including
by-products
from
fruits
vegetables,
non-edible
items,
other
materials,
is
produced
throughout
supply
chain,
production
consumption.
Recycling
valorizing
perishable
goods
emerging
as
key
multidisciplinary
approach
within
circular
bio-economy
framework.
This
rich
in
raw
by-products,
can
be
repurposed
natural
source
ingredients.
Researchers
increasingly
focus
on
biomass
valorization
extract
use
components
that
add
significant
value.
Traditional
methods
extracting
these
bio-compounds
typically
require
solvents
are
time-consuming,
underscoring
need
innovative
techniques
like
ultrasound
(US)
extraction.
Wastes
processing
vegetables
industry
used
develop
functional
foods
edible
coatings,
offering
protection
against
various
factors.
comprehensive
review
paper
discusses
items
using
US
technology,
not
only
valuable
but
also
treat
wastewater
beverage
industry.
It
covers
application
biomolecules
recovered
this
process
development
packaging.
Food Research International,
Journal Year:
2024,
Volume and Issue:
181, P. 114096 - 114096
Published: Feb. 3, 2024
In
this
research,
different
seeds
of
Australian-grown
date
palm
(Phoenix
dactylifera
L.)
were
studied
to
evaluate
the
antioxidant
potential
and
analyze
their
phenolic
constituents.
Phenolic
compounds
extracted
from
various
varieties
at
ripening
stages.
Eight
(Zahidi,
Medjool,
Deglet
nour,
Thoory,
Halawi,
Barhee,
Khadrawy,
Bau
Strami)
three
stages
(Kimri,
Khalal,
Tamar)
investigated
in
study.
Date
Khalal
(9.87-16.93
mg
GAE/g)
Tamar
(9.20-27.87
showed
higher
total
content
than
those
Kimri
stage
(1.81-5.99
GAE/g).
For
assays
like
DPPH,
FRAP,
ABTS,
RAP,
FICA,
TAC,
also
stage.
However,
(55.24-63.26
TE/g)
expressed
radical
scavenging
activity
(13.58-51.88
(11.06-50.92
characterized
using
LC-ESI-QTOF-MS/MS,
revealing
presence
37
compounds,
including
8
acids,
18
flavonoids,
11
other
compounds.
Further,
quantified
LC-DAD,
that
Zahidi
variety
exhibited
highest
during
contrast,
stages,
nour
Medjool
displayed
concentrations
The
results
indicated
an
increase
after
stage,
with
significant
variations
observed
among
varieties.
Food Science & Nutrition,
Journal Year:
2022,
Volume and Issue:
11(1), P. 555 - 568
Published: Oct. 6, 2022
Abstract
Date
palm
pits
are
highly
available
and
inexpensive
date
by‐products,
representing
a
valuable
source
of
natural
antioxidants,
particularly
phenolic
compounds.
pit
extract
(DPPE)
was
prepared
from
these
waste
products
characterized
for
its
content
in
vitro
antioxidant
activity.
Profiling
DPPE
by
liquid
chromatography
coupled
with
mass
spectrometry
(LC/MS)
showed
the
presence
dimers
trimers
(epi)catechin
as
main
constituents.
Alginate‐based
films
four
increasing
concentrations
(10%,
20%,
30%,
40%
w/w)
were
casting
method.
incorporation
reduced
solubility
values
alginate
37%–64%
their
surface
wettability
72%–111%.
The
10%
improved
water
vapor
barrier
properties
increased
tensile
strength
(TS)
elongation
at
break
(%E)
more
than
23%,
50%,
45%,
respectively.
film
containing
lowest
loss
(32%),
DPPH
(1,1‐diphenyl‐2‐picrylhydrazyl)
scavenging
activity
(38%),
ferric
reducing
power
(FRAP)
(30%)
after
storage
3
months.
Separations,
Journal Year:
2023,
Volume and Issue:
10(2), P. 103 - 103
Published: Feb. 2, 2023
The
date
palm
has
been
cultivated
in
dry
and
hot
areas
of
the
planet
for
much
human
history.
In
Kingdom
Saudi
Arabia,
dates
are
main
crop
used
as
a
source
food.
Among
several
species
fruits,
Ajwa
AL-Madinah
is
unique,
growing
only
Al-Madinah
geographical
region.
traditional
medicine
due
to
its
abundant
active
components
therapeutic
properties.
This
study
investigates
structural
properties
antioxidant
effects
water-soluble
polysaccharides
extracted
from
flesh
seed.
were
isolated
by
two
techniques
including
water
ultrasonic
extraction.
After
isolation
partial
purification,
physicochemical
four
samples
seed
studied
FTIR,
solid-state
NMR,
elemental
analysis,
mass
spectrometry.
Several
radical
scavenging
experiments
combined
activity
polysaccharide
compounds.
FTIR
NMR
results
showed
structure
typical
heterogeneous
polysaccharides.
Mass
spectrometry
revealed
that
composed
mainly
mannose,
glucose,
galactose,
xylose,
arabinose,
galacturonic
acid,
fucose.
addition,
composition
compared.
activity,
with
2,
2′-azinobis
(3-ethylbenzothiazoline-6-sulfonic
acid)
(ABTS)
scavenging,
Fe
chelating
ability,
hydroxyl
free
2-diphenyl-1-picrylhydrazyl
(DPPH)
scavenging.
These
highlight
their
potential
be
useful
nutritional
element
or
supplemental
medication.
Plants,
Journal Year:
2024,
Volume and Issue:
13(3), P. 335 - 335
Published: Jan. 23, 2024
The
objective
of
this
work
was
to
evaluate
the
effect
particle
size
on
chemical
composition,
fatty
acid
and
polyphenol
profile,
physicochemical
techno-functional
properties,
antioxidant
capacity
flour
obtained
from
date
seeds.
seed
flours
had
a
high
content
total
dietary
fiber
(67.89–76.67
g/100
g),
reduction
in
decreased
moisture
protein
contents,
while
fat,
mineral
(Ca,
Fe,
Zn,
Mg),
contents
were
significantly
increased,
with
oleic
being
highest.
Water
activity
increased
decreasing
size,
finest
(<210
mm)
tended
be
yellowish
reddish.
water-
oil-holding
capacities
smallest
compared
largest
sizes.
main
polyphenolic
compounds
all
samples
catechin,
epicatechin,
epigallocatechin-3-gallate.
improved
reductions
flour,
ABTS,
DPPH,
FRAP
values
ranging
between
8.99
20.68,
0.66
2.35,
1.94
4.91
mg
Trolox
equivalent/g
flour.
results
present
study
suggest
that
seeds
cv.
Medjool
can
valuable
co-product
for
food
industry
due
its
content,
essential
acids,
bioactive
help
reduce
amount
waste
generated,
promoting
circular
economy
chain.
Critical Reviews in Food Science and Nutrition,
Journal Year:
2023,
Volume and Issue:
64(22), P. 7748 - 7803
Published: April 17, 2023
Appraised
for
being
one
of
the
oldest
staple
nutritive
foods
mainly
in
Arabian
Peninsula,
date
palm
tree
(Phoenix
dactylifera
L.),
is
a
crop
native
to
subtropical
and
tropical
regions
Southern
Asia
Africa.
Different
parts
have
been
extensively
studied
their
nutritional
therapeutic
properties.
Despite
an
array
publications
on
tree,
there
has
no
attempt
compile
single
study
traditional
uses,
value,
phytochemical
profile,
medicinal
properties
as
well
potential
different
plant
functional
food.
Therefore,
this
review
endeavors
systematically
scientific
literature
highlight
uses
fruit
around
world,
profile
several
A
total
215
studies
was
retrieved
(traditional
(n
=
26),
52),
84)).
Scientific
articles
were
further
categorized
vitro
33),
vivo
35),
clinical
16)
evidences.
Date
seeds
found
be
effective
against
E.
coli
Staphylococcus
aureus.
Aqueous
pollen
used
manage
hormonal
problems
boost
fertility.
Palm
leaves
showed
anti-hyperglycemic
effects
via
inhibition
α-amylase
α-glucosidase.
Unlike
previous
studies,
highlighted
roles
all
provided
insights
into
various
mechanism
action
bioactive
compounds.
Although
shreds
evidence
growing
over
years,
still
dearth
concerning
validation
other
provide
strong
uses.
In
conclusion,
P.
can
regarded
potent
with
prophylactic
should
explored
alleviate
burden
both
communicable
non-communicable
diseases.
Foods,
Journal Year:
2023,
Volume and Issue:
12(6), P. 1160 - 1160
Published: March 9, 2023
The
use
of
natural
preservatives
in
the
storage
fresh
fruits
is
a
promising
approach
to
healthier
and
more
sustainable
food
processing.
current
study
was
conducted
evaluate
effect
pomegranate
peel
extract
(PPE)
lactic
acid
(LA)
as
on
shelf
life
Khalal
Barhi
date
fruits.
Physicochemical
properties,
antioxidant
activity,
color
parameters,
texture
profile,
sensory
characteristics,
microbiological
quality
were
evaluated
during
six
weeks
cold
(4
±
1
°C).
bioactive
compounds
PPE
determined
by
HPLC
analysis,
which
showed
that
rich
source
compounds,
particularly
phenolics
flavonoids.
results
exhibited
decreased
moisture
content
(from
68.36-68.43
62.13-63.11%)
an
increased
soluble
solids
27.16-27.24
31.45-33.91%)
all
samples
with
prolonged
storage.
Likewise,
slight
decrease
pH
6.00-6.28
4.89-5.29)
increase
acidity
0.12-0.14
0.23-0.27%)
observed.
Generally,
treated
lower
changes
content,
pH,
than
control.
A
total
phenolic
(TPC)
8.22-12.36
3.19-5.17
mg
GAE/g)
activity
44.11-68.26
23.84-38.52%)
observed
progressed
storage,
meanwhile,
treatment
significantly
(p
<
0.05)
TPC
concomitant
maintained
higher
values
both
throughout
L*
54.87-55.92
41.68-45.68)
b*
36.25-37.09
23.59-25.42)
samples,
while
a*
value
1.29-1.40
2.22-2.43)
Dipping
solution
improved
color,
lowest
change
better
properties
Similarly,
8.21-8.66
6.71-7.21)
insignificant
>
differences
among
samples.
treatments
inhibited
growth
yeasts
molds
over
time,
microbial
count
recorded
PPE-treated
It
can
be
concluded
found
have
protective
effects
fruit
controlling
post-harvest
lowering
load.
