Foods,
Journal Year:
2024,
Volume and Issue:
13(6), P. 880 - 880
Published: March 14, 2024
Enzyme-assisted
ultrasonic
extraction
(EAUE)
was
utilized
and
optimized
for
extracting
polysaccharides
from
Schizochytrium
limacinum
meal
(SLMPs)
via
the
response
surface
methodology.
The
optimal
EAUE
conditions
were
determined
as
follows:
enzyme
concentration
at
5.18%,
temperature
53
°C,
duration
of
40
min,
power
60
W,
a
liquid-to-material
ratio
34
mL/g,
achieving
polysaccharide
yield
11.86
±
0.61%.
purified
component,
SLMP1-1,
isolated
using
DEAE
Sepharose
Fast
Flow
Sephadex
G-100
columns,
exhibited
potent
antioxidant
activity.
with
molecular
weight
25.5
kDa,
comprises
glucose,
mannose,
arabinose,
galactose
in
molar
16.39:14.75:1:693.03.
1H
NMR
analysis
revealed
α
configuration
SLMP1-1.
Antioxidant
assessments,
including
DPPH,
ABTS,
ferric
ion
reduction
assays,
detected
inhibitory
values
21.82–82.98%,
38.21–98.46%,
3.30–20.30%
0.2–1.0
mg/mL.
This
confirmed
effective
capacity
which
is
notably
enhanced
post
oral
gastric
digestion.
findings
suggest
that
extracted
hold
significant
promise
natural
antioxidants.
Ultrasonics Sonochemistry,
Journal Year:
2023,
Volume and Issue:
95, P. 106395 - 106395
Published: April 1, 2023
The
maidenhairtree
polysaccharides
(MTPs)
have
important
application
prospects.
So,
the
extraction,
purification,
structure,
derivatization
and
biological
activities
of
from
leaves,
fruits,
testae
were
disscussed.
Polysaccharides
extracted
by
collaborative
extraction
methods
such
as
ultrasound-assisted
microwave-assisted
extraction.
had
higher
content
efficiency.
structural
characteristics
structure-activity
relationship
studied
in
order
to
provide
theoretical
basis
technical
support
for
further
development
utilization
polysaccharides.
Ultrasonics Sonochemistry,
Journal Year:
2023,
Volume and Issue:
95, P. 106416 - 106416
Published: April 20, 2023
Antitumor,
antioxidant,
hypoglycemic,
and
immunomodulatory
properties
are
all
exhibited
by
maize
polysaccharides.
With
the
increasing
sophistication
of
polysaccharide
extraction
methods,
enzymatic
method
is
no
longer
limited
to
a
single
enzyme
extract
polysaccharides,
more
often
used
in
combination
with
ultrasound
or
microwave,
different
enzymes.
Ultrasound
has
good
cell
wall-breaking
effect,
making
it
easier
dislodge
lignin
hemicellulose
from
cellulose
surface
husk.
The
"water
alcohol
precipitation"
simplest
but
most
resource-
time-consuming
process.
However,
"ultrasound-assisted
extraction"
"microwave-assisted
methods
not
only
compensate
for
shortcoming,
also
increase
rate.
Herein,
preparation,
structural
analysis,
activities
polysaccharides
were
analyzed
discussed.
Ultrasonics Sonochemistry,
Journal Year:
2023,
Volume and Issue:
98, P. 106487 - 106487
Published: June 13, 2023
In
order
to
improve
the
yield
of
mung
bean
peel
polysaccharide,
on
basis
single-factor
experiments,
ultrasonic
assisted
extraction
conditions
were
optimized
by
response
surface
methodology
(RSM).
The
results
showed
that
under
material-liquid
ratio
1:
40,
temperature
77
°C,
power
216
W
and
time
47
min,
rate
polysaccharide
was
best,
which
2.55
%.
extracted
phosphorylated
its
antioxidant
activity
in
vitro
studied.
suggested
modified
had
a
significant
scavenging
effect
hydroxyl
radicals
enhanced
ability
anti-lipid
peroxidation,
offered
ideas
methods
for
development
application
polysaccharide.
Ultrasonics Sonochemistry,
Journal Year:
2023,
Volume and Issue:
97, P. 106474 - 106474
Published: June 10, 2023
According
to
response
surface
methodology
(RSM),
the
extraction
conditions
of
ultrasound-assisted
polysaccharide
from
rinds
Garcinia
mangostana
L.
(GMRP)
were
optimized
and
determined.
The
optimal
obtained
through
optimization
were:
liquid
material
ratio
was
40
mL/g,
ultrasonic
power
288
W
time
65
min.
average
rate
GMRP
14.73%.
Ac
-
by
acetylation
GMRP,
antioxidant
activities
two
polysaccharides
compared
in
vitro.
results
indicated
that
capacity
after
significantly
improved
with
GMRP.
In
conclusion,
chemical
modification
is
an
effective
measure
improve
its
properties
a
certain
extent.
Meanwhile,
it
implies
has
great
research
value
potential.
Food & Function,
Journal Year:
2024,
Volume and Issue:
15(8), P. 3939 - 3958
Published: Jan. 1, 2024
Extraction,
purification,
structural
modification,
activities
and
application
of
polysaccharides
from
different
parts
mulberry
were
analyzed
discussed.
Ultrasonics Sonochemistry,
Journal Year:
2024,
Volume and Issue:
109, P. 107010 - 107010
Published: July 31, 2024
Purple
mangosteen
scarfskin
polysaccharide
has
many
important
physiological
functions,
but
its
preparation
method,
structure,
and
function
need
further
exploration.
A
was
obtained
from
by
ultrasonic-assisted
extraction
purified.
On
this
basis,
structure
physicochemical
properties
were
investigated.
The
Congo
red
experiment
used
to
determine
whether
it
a
triple
helix
conformation.
of
purple
analyzed
infrared
spectroscopy
nuclear
magnetic
analysis.
antioxidant
activities
the
above
three
polysaccharides
studied
related
experiments.
It
found
that
monosaccharide
composition
mainly
contained
large
amount
arabinose,
small
rhamnoose
very
galacturonic
acid,
core
main
chain
composed
1,4-α-arabinose.
did
not
have
spatial
configuration.
After
acetylation
polysaccharide,
acetylated
derivative
with
degree
substitution
0.33
obtained.
they
had
certain
scavenging
inhibiting
effects
on
hydroxyl
radicals
lipid
peroxidation,
their
concentration
polysaccharides.
Meanwhile,
activity
significantly
enhanced
after
modified
treatment
acetylation,
which
indicated
chemical
modification
could
effectively
improve
some
polysaccharide.
studies
provided
reference
value
for
research
development
Food Chemistry X,
Journal Year:
2025,
Volume and Issue:
26, P. 102265 - 102265
Published: Feb. 1, 2025
This
study
employed
a
sophisticated
approach
consisting
of
ultrasound-assisted
enzyme
treatment
to
extract
polysaccharides
from
sea
buckthorn
(SBP).
The
SBP
extraction
parameters
were
optimized,
the
following
optimal
identified:
solid-liquid
ratio
1:32
g/mL,
ultrasound
duration
26
min,
temperature
52
°C,
and
composite
concentration
6000
U/100
mL,
maximum
yield
was
24.07
±
0.15
%.
separation
purification
resulted
in
isolation
three
fractions
(SBPR-1,
SBPR-2,
SBPR-3).
composition
structural
characteristics
SBPRs
identified.
Furthermore,
exhibited
characteristic
absorption
peaks
polysaccharides.
Notably,
surface
microstructures
showed
significant
variations.
Moreover,
all
demonstrated
commendable
thermal
stability
vitro
antioxidant
activity.
serves
as
reference
for
development
application
natural
antioxidants
provides
theoretical
foundation
environmentally
friendly
effective
SBP.
