International Journal of Applied Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
unknown, P. 83 - 90
Published: Oct. 15, 2024
Objective:
The
main
purpose
of
this
study
is
to
give
recommendations
for
the
ideal
extraction
conditions
improving
yield
and
antioxidant
activity
R.
tomentosa
leaves.
Methods:
First,
total
phenolic
yields
five
choline
chloride-based
Natural
Deep
Eutectic
Solvents
(NADES)
were
evaluated.
Then,
Box
Behnken
designs
Response
Surface
Methodology
(RSM)
conducted
in
order
optimize
condition.
variables
investigated
time,
water
content
NADES,
solid-to-liquid
ratio.
Meanwhile,
2,2′-azinbis
(3-ethylbenzothiazoline-6-sulphonic
acid)
(ABTS)
free
radicals
scavenging
used
as
responses.
Results:
NADES
with
combination
chloride
propylene
glycol
a
molar
ratio
1:1
was
found
be
best
solvent
extracting
compound.
compound
obtained
29.6351
mg
GAE/g
dried
leaves
ABTS
about
96.84%
under
optimum
condition
(extraction
time
60
min,
25%
0.02
g/ml).
Better
results
shown
compared
extracts
conventional
solvents.
Conclusion:
In
sum,
use
proven
effective
increasing
efficiency
compounds
from
LWT,
Journal Year:
2023,
Volume and Issue:
189, P. 115482 - 115482
Published: Nov. 1, 2023
The
consumption
of
kombucha
drinks
has
remarkably
grown
during
the
last
decade
and,
besides
traditional
ingredients
such
as
tea
leaves,
alternative
raw
materials
with
interesting
functional
properties
are
being
proposed.
aim
this
study
was
to
obtain
kombuchas
enriched
in
phenolic
compounds
and
a
high
antioxidant
activity
using
fruits
instead
determine
optimal
fermentation
time.
fruit-based
were
prepared
cherry,
plum,
apricot,
strawberry,
persimmon,
grape,
orange,
or
pomegranate
three
different
microbial
consortia
(SCOBYs/SCs).
pH,
carbohydrate,
ethanol,
levels,
vitro
capacity
determined
along
process
(21
days).
obtained
products
showed
safe
pH
values
(2.5–4.2)
suitable
ethanol
levels
(<1.2%).
Their
carbohydrate
content
almost
half
that
commercial
kombucha.
fermentative
microorganisms
increased
total
(TPC)
radical
scavenging
(TEAC)
all
preparations,
differences
found
depending
on
SC
used.
Maximum
TPC
TEAC
observed
strawberry
(up
13.7
mg/100
mL
2.05
μmol/mL,
respectively).
results
fruits,
mainly
strawberries,
could
be
used
activity.
AgriEngineering,
Journal Year:
2024,
Volume and Issue:
6(2), P. 1300 - 1318
Published: May 9, 2024
Hemp,
commonly
known
as
Cannabis
sativa
L.,
is
a
medicinal
plant
species
of
the
Cannabaceae
family.
For
efficient
extraction
C.
leaves
using
conventional
stirring
process
with
water
solvent,
three
crucial
parameters
(i.e.,
duration,
liquid–solid
ratio,
and
temperature)
were
investigated
through
response
surface
methodology
(RSM).
The
concentrations
extracted
bioactive
compounds
(polyphenols,
ascorbic
acid,
carotenoids)
showed
significant
variations
in
RSM
design
points,
suggesting
importance
finding
optimal
conditions
which
ratio
temperature
found
to
have
highest
impact.
Further
analysis
was
conducted
on
extract
employing
several
assays
determine
their
polyphenol
content,
total
carotenoid
color
evaluation,
anti-inflammatory
activity,
antioxidant
capacity
FRAP,
DPPH,
H2O2
assays.
A
low
time
(30
min)
at
50
°C
high
(50:1)
required
for
possible
yield
polyphenols.
content
determined
be
9.76
mg
gallic
acid
equivalents/g
under
optimum
conditions,
pelargonin
being
most
abundant
(1.51
mg/g)
extracts.
Ascorbic
measured
282.23
μg/g
carotenoids
356.98
μg/g.
Correlation
analyses
revealed
that
activity
negatively
correlated
specific
As
by
DPPH
(27.43
μmol
equivalents
(AAE)/g),
FRAP
(49.79
AAE/g),
(230.95
AAE/g)
assays,
optimized
aqueous
capacity.
Furthermore,
it
demonstrated
considerable
17.89%,
potential
increase
75.12%
particular
conditions.
Given
added-value
extracts,
results
this
study
highlight
utility
source
health-improving
pharmaceutical
food
industries.
International Journal of Food Properties,
Journal Year:
2023,
Volume and Issue:
26(1), P. 2171 - 2185
Published: Aug. 8, 2023
The
bioactive
constituents
of
Nettle
(Urtica
dioica
L.)
plants
were
extracted
by
green
and
environmentally
friendly
methods
using
several
deep
eutectic
solvents
(DESs)
followed
liquid
chromatography-mass
spectrometry
separation
identification.
To
optimize
the
extraction
process,
bio-solvents
composed
organic
acids
such
as
hydrogen
bond
donors
(HBD)
mannitol/menthol/sugars
HBA
selected
coupled
with
ultrasound-assisted
extraction.
maximum
compound
contents
TPC
2423
mg
GAE/100
g,
TFC
134.71
CE/100
DPPH
1071.05
mol
TE/mL.
optimum
parameters
to
achieve
highest
values
phenolic
compounds
from
via
UAE-DES
obtained
at
an
temperature
70°C,
time
30
min,
water
addition
on
DES
20%.
ideal
experimental
conditions
confirmed
Central
Composite
Design
(CCD)
Response
Surface
Methodology
(RSM)
model
analyze
significance
demonstrating
high
prediction
levels
compounds.
Liquid
chromatography
diode
array
detection
electrospray
ionization
tandem
mass
(LC-DAD-ESI-MS/MS)
was
used
identify
extracts.
results
showed
that
quercetin-3-O-rutinoside,
5-ocaffeoylquinic
acid,
caffeoyl
malic
acid
three
abundance.
For
first
time,
nettle
a
food-grade
contains
GRAS
components
is
reported.
According
these
findings,
best
solvent
for
extracting
substances
applications
DESCAMAL
(citric
acid/maltose).
Applied Food Research,
Journal Year:
2023,
Volume and Issue:
3(2), P. 100346 - 100346
Published: Oct. 6, 2023
Raspberry
fruits
(Rubus
idaeus
L.)
have
been
reported
to
contain
phenolic
compounds,
of
which
anthocyanins
are
the
most
abundant.
A
novel
procedure
ultrasound-assisted
extraction
(UAE)
using
deep
eutectic
solvent
(DES)
for
efficient
compounds
and
from
raspberries
is
considered.
Namely,
green
approach
optimization
by
response
surface
methodology
(RSM)
based
on
Box-Behnken
Design
(BBD)
was
proposed
in
this
study.
Three
carboxylic
acid-based
DES,
like
acetic
acid/glucose
(DESAAGLU),
formic
(DESFAGLU),
lactic
acid/maltose
(DESLAMA),
were
tested
their
efficiency
recovery
raspberries.
The
optimum
parameters
obtained;
time
60
min,
a
volume
35
mL,
added
water
DES
30
mL
(v/v).
results
study
indicated
that
optimizing
conditions
critical
quantifying
anthocyanins.
present
model
can
contribute
finding
cheap
way
delivering
natural
bioactive
food,
cosmetic,
pharmaceutical
industriesas
well
as
food
colorant
dietary
applications
with
potential
health
benefits.
Food Chemistry X,
Journal Year:
2024,
Volume and Issue:
21, P. 101145 - 101145
Published: Jan. 19, 2024
The
novel
loquat
cultivar
'Chunhua
No.1'
(CH1)
is
a
promising
commercial
cultivar.
However,
CH1
has
texture
characteristics
different
from
those
of
common
loquat,
and
its
formation
mechanism
remains
unclear.
Here,
we
first
identified
the
phenolic
compounds
parent
('Dawuxing',
DWX)
effect
on
formation.
special
presence
stone
cells
explained
flavor
differences
in
CH1.
Chlorogenic
acid,
neochlorogenic
coniferyl
alcohol
were
main
high
content
was
potential
factor
for
rough
Transcriptome
reveals
that
phenylpropanoid
metabolism
activated
during
fruit
Kyoto
Encyclopedia
Genes
Genomes
(KEGG)
51
structural
genes
involved
biosynthesis,
Weighted
Gene
Co-expression
Network
Analysis
(WGCNA)
four
88
transcription
factors.
These
findings
provide
new
insights
into
fruit.
ACS Food Science & Technology,
Journal Year:
2024,
Volume and Issue:
4(3), P. 687 - 699
Published: Feb. 13, 2024
In
response
to
the
imperative
address
food
and
agricultural
waste
promote
environmental
sustainability,
this
study
investigates
transformation
of
watermelon
rind
into
a
valuable
resource.
We
extract
polyphenols
antioxidants
from
freeze-dried
across
four
cultivars
(Crimson
Sweet,
Black
Prince,
Chairman,
Sugar
Baby)
using
ultrasound-assisted
extraction.
Solvent
selection,
based
on
preliminary
experiment,
was
optimized
through
surface
methodology
(RSM),
fine-tuning
solvent
concentration
sonication
time.
The
RSM
effectively
modeled
our
responses
(R2
>
0.90),
confirming
its
suitability
for
optimization.
Applying
parameters
(80%
20
min
sonication)
rinds
yielded
extracts
rich
in
flavanols
(10–30
mg/g)
phenolics
(1–2.5
mg/g),
with
high
DPPH
(22–40
mg
Trolox/g)
FRAP
(26–42
ferrous
sulfate/g)
antioxidant
activities.
Furthermore,
fatty
acid
phytosterol
profiles
were
reported,
demonstrating
their
potential
applications
food,
pharmaceuticals,
nutraceuticals,
industry.
Oxygen,
Journal Year:
2024,
Volume and Issue:
4(3), P. 307 - 324
Published: Aug. 11, 2024
This
study
explored
the
use
of
mandarin
peels
as
an
important
source
health-promoting
compounds
by
utilizing
green
methods
(i.e.,
pulsed
electric
field
and
ultrasound-assisted
extraction),
along
with
conventional
stirring.
The
impact
several
extraction
parameters,
such
duration,
temperature,
solvent
composition,
on
recovery
bioactive
was
evaluated
through
a
response
surface
methodology.
To
identify
most
effective
conditions
for
all
assays,
partial
least-squares
analysis
implemented.
It
revealed
that
combination
above
techniques
optimal
at
80
°C
30
min,
75%
v/v
ethanol
in
water
solvent.
concentration
optimum
extract
had
total
polyphenol
content
18.69
mg
gallic
acid
equivalents
(GAE)
per
gram
dry
weight
(dw),
ascorbic
18.25
mg/g
dw.
However,
correlation
analyses
rather
negative
relationship
between
these
compounds.
chromatographic
extracts
supported
this
result
quantifying
20.53
dw
individual
polyphenols,
hesperidin
being
dominant
compound
(13.98
dw).
antioxidant
including
ferric-reducing
power
DPPH•
inhibition
activity,
were
measured
123.21
65.12
μmol
(AAE)
dw,
respectively.
research
enhances
valorization
renewable
compounds,
providing
opportunity
to
generate
high-added-value
products
from
food
waste
pharmaceutical
sectors.