Natural Product Communications,
Год журнала:
2024,
Номер
19(9)
Опубликована: Сен. 1, 2024
Aloe
weloensis
Sebsebe,
a
species
used
for
therapeutic
purposes
in
Ethiopia,
exemplifies
the
plant's
rich
history
of
herbal
use,
traditional
applications,
and
need
further
research.
weloensis,
genus,
has
gained
attention
its
potential
pharmaceutical
properties.
This
review
examines
phytochemical
composition,
pharmacological
effects,
applications
weloensis.
The
methods
involved
thorough
published
literature
using
reputable
databases,
focusing
on
English-language
articles
covering
weloensis’
phytochemistry,
antioxidant,
antibacterial,
antimalarial
activities.
leaf
latex
demonstrates
diverse
bioactive
compounds,
antioxidant
activity
(IC
50
:
10.25
μg/ml),
significant
antibacterial
promising
vitro
9.14
μg/ml)
3D7
strains
Plasmodium
falciparum
species.
In
vivo
studies
support
as
an
remedy,
showcasing
multifaceted
profile.
presents
properties,
including
activities,
supported
by
composition.
results
mucilage's
suspending
agent
highlight
significance
modern
medicine,
warranting
exploration.
Ultrasonics Sonochemistry,
Год журнала:
2024,
Номер
108, С. 106948 - 106948
Опубликована: Июнь 12, 2024
In
this
study,
the
process
conditions,
physicochemical
properties,
structural
composition
and
activity
of
polysaccharides
isolated
from
leechee
peel
(LPP)
by
ultrasound-assisted
extraction
(UAE)
with
enzyme
alkali
solution
(ASE)
were
compared.
The
results
showed
that
total
sugar
content
LPP
extracted
UAE
accounted
for
75.65
%,
which
was
significantly
higher
than
solution.
optimum
conditions
as
follows:
temperature
68.78
℃,
ultrasonic
enzymolysis
time
39.68
min,
pectinase
dosage
4.03
solid–liquid
ratio
1:30
g/mL,
power
360
W.
antioxidant
activities
structure
polysaccharide
prepared
under
different
It
found
UAE-LPP
an
α-type
containing
15.83
%
uronic
acid.
Moreover,
strong
in
anti-lipid
peroxidation
reducing
ability.
Ultrasound-assisted
enzymatic
method
is
effective
means
to
improve
natural
plant
polysaccharides,
has
advantages
short
time-consuming,
simple
easy
operation,
can
greatly
utilization
rate
lay
a
theoretical
scientific
basis
development
LPP.
Food & Function,
Год журнала:
2024,
Номер
15(8), С. 3939 - 3958
Опубликована: Янв. 1, 2024
Extraction,
purification,
structural
modification,
activities
and
application
of
polysaccharides
from
different
parts
mulberry
were
analyzed
discussed.
Ultrasonics Sonochemistry,
Год журнала:
2024,
Номер
110, С. 107038 - 107038
Опубликована: Авг. 23, 2024
A
response
surface
methodology
(RSM)
and
one-factor
method
were
established
to
investigate
the
optimum
conditions
for
extraction
of
lychee
nuclear
polysaccharides
(LSP)
by
ultrasonic-assisted
pectinase.
The
content
basic
components
in
was
determined.
antioxidant
activity
well
determined
compared
differences
activities
extracted
water
(LSP-HW)
those
at
ultrasound-assisted
enzyme
(LSP-UAE).
polysaccharide
increased
with
increase
concentration.
anti-hydroxyl
radical
anti-lipid
peroxidation
abilities
more
excellent,
LSP-HW
slightly
better
than
LSP-UAE
terms
activity,
but
difference
not
significant.
In
solubility;
without
deproteinization
best,
followed
LSP-UAE,
worst
after
deproteinization.
higher
glycoprotein
content,
solubility
its
polysaccharide.
Compared
existing
methods,
this
experiment
greatly
improved
rate
further
enriched
polysaccharides.
Ultrasonics Sonochemistry,
Год журнала:
2024,
Номер
107, С. 106918 - 106918
Опубликована: Май 18, 2024
In
this
research,
the
extraction
process
of
polysaccharides
from
Pithecellobium
clypearia
Benth
(PCBPs)
was
optimized
using
dual-frequency
ultrasound-assisted
(DUAE).
The
biological
activities
PCBPs
were
investigated
by
in
vitro
antioxidant,
hypoglycemic,
and
anti-hyperlipidemic
assay.
High-performance
anion-exchange
chromatography,
high-performance
gel
permeation
SEM,
UV–Vis
spectroscopy,
FT-IR
spectra
used
to
analyze
monosaccharide
composition,
molecular
weight,
microscopic
morphology,
characteristic
structure
PCBPs.
results
showed
that
maximum
rate
9.90
±
0.16
%
when
ultrasonic
time
8
min,
liquid-to-material
ratio
32
mL/g,
power
510
W.
also
possessed
excellent
activities.
addition,
average
weight
15.07
kDa.
consisted
rhamnose,
arabinose,
galactose,
glucose,
xylose,
mannose,
glucuronic
acid,
with
molar
ratios
11.07
%,
18.54
48.17
10.44
4.62
4.96
2.20
respectively.
Moreover,
SEM
mainly
a
fine
spherical
mesh
structure.
above
studies
provided
valuable
theoretical
basis
for
subsequent
in-depth
study
Journal of Food Science,
Год журнала:
2025,
Номер
90(2)
Опубликована: Фев. 1, 2025
Gualou
(Trichosanthes
kirilowii
Maxim)
and
Xiebai
(Allium
macrostemon
Bunge)
have
been
extensively
studied
for
their
diverse
active
ingredients,
which
include
flavonoids,
polysaccharides,
triterpenoids.
This
study
employed
a
single-factor
experiment
alongside
the
Plackett-Burman
design
utilized
response
surface
methodology
to
optimize
ultrasonic-enzyme-assisted
extraction
(U-EAT)
method
functional
components
in
(GLXB).
The
optimal
conditions
were
identified
as
solid-to-liquid
ratio
of
1:11
g/mL,
an
alcohol
concentration
55%,
enzyme
1.2%,
temperature
40°C.
yields
triterpenoids
obtained
0.94
±
0.05,
260.46
1.78,
118.69
0.71
mg/g,
respectively,
demonstrating
increases
59.19%,
29.03%,
46.10%
compared
HL
(HL,
traditional
reflux
method).
Furthermore,
vitro
digestion
GLXB
extract
demonstrated
significant
lipid-lowering
hypoglycemic
effects.
facilitated
flocculation
lipid
droplets
during
exhibited
capacity
reduce
rate
fat
digestion.
These
findings
indicate
that
U-EAT
significantly
enhanced
content
ingredients
improved
activities
extract,
highlighting
its
potential
further
development
application
foods.
Ultrasonics Sonochemistry,
Год журнала:
2023,
Номер
102, С. 106742 - 106742
Опубликована: Дек. 23, 2023
Extracting
polyphenolic
bioactive
compounds
from
Pinus
elliottii
needles,
a
forestry
residue,
promises
economic
and
environmental
benefits,
however,
relevant
experimental
data
are
lacking.
Herein,
comprehensive
investigation
of
the
composition
pine
needles
(PNs)
was
carried
out.
Ultrasound-Assisted
Extraction
(UAE)
applied
to
extract
needles.
The
optimal
conditions
extracts
were
determined
by
Response
Surface
Methodology
(RSM).
maximum
total
phenolic
content
(TPC)
40.37
mg
GAE/g
PNs
achieved
with
solid–liquid
ratio
1:20,
60
%
ethanol,
350
W
for
25
min
at
45
°C.
Polyphenolic
showed
antioxidant
activity
in
scavenging
free
radicals
reducing
power
(DPPH,
IC50
41.05
μg/mL;
FRAP
1.09
mM
Fe2+/g
PNs;
ABTS,
214.07
μg/mL).
Furthermore,
second-order
kinetic
model
also
constructed
describe
mechanism
UAE
process,
extraction
activation
energy
estimated
12.26
kJ/mol.
In
addition,
37
first
identified
UHPLC-Q-Exactive
Orbitrap
MS/MS,
including
flavonoids
acids.
results
suggest
that
is
an
effective
method
natural
this
study
could
serve
as
foundation
utilizing
phenolics
derived
food
pharmaceutical
industries.
